HistoricBridges.org

BridgeSeek

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.

Total Bridges Found: 205

X
Davis Avenue Bridge
HSR

Davis Avenue Over Woods Run Avenue in Pittsburgh: Allegheny County, Pennsylvania, United States

Metal Cantilever 8 Panel Pin-Connected Pratt Deck Truss, Fixed

Length: 396 ft. Main Span: 156 ft. Roadway: 20.3 ft. Main Spans: 1

Built 1898 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania

One of the more important and beautiful bridges in the city, the bridge was not properly maintained and was then demolished.

X
Mowersville Road Bridge
HSR

Mowersville Road Over Paxton Run in Mowersville: Franklin County, Pennsylvania, United States

Metal (Cast Iron) 8 Panel Pratt Full-Slope Pony Truss, Fixed

Length: 50 ft. Main Span: 50 ft. Roadway: 12 ft. Main Spans: 1

Built By: Unknown

Although its floor and bottom chord is encased in a two-span concrete slab, this bridge remains a unique and nationally significant example of a cast iron truss bridge.

X
Ulster Bridge
Ulster - Sheshequin Bridge
HSR

Bridge Street (PA-1022) Over Susquehanna River (North Branch) in Ulster: Bradford County, Pennsylvania, United States

Metal 13 Panel Pin-Connected Parker Through Truss, Fixed and Approach Spans: Metal 10 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 2,011 ft. Main Span: 237 ft. Roadway: 19.3 ft. Main Spans: 4

Built 1904 By: Pennsylvania Steel Company of Steelton, Pennsylvania

A truly unique bridge with no equal, this spectacular bridge featured four Parker truss spans, plus what may be one of the longest multi-span pony trusses as an approach.

X
Hulton Bridge
Jonathon Hulton Memorial Bridge / Oakmont Bridge
HSR

Hulton Road (PA-2082) Over Allegheny River in Oakmont: Allegheny County, Pennsylvania, United States

Metal 22 Panel Pin-Connected Pennsylvania Through Truss, Fixed and Approach Spans: Metal 11 Panel Pin-Connected Parker Through Truss, Fixed

Length: 1,544 ft. Main Span: 505 ft. Roadway: 21 ft. Main Spans: 1

Built 1909 By: American Bridge Company of New York, New York and Allegheny County Department of Public Works

One of the last remaining large pin-connected truss bridges in Pennsylvania is this unique multi-span through truss with a huge main span!

X
Donora-Webster Bridge
Lieutenant Governor Ernest Kline Bridge
HSR

10th Street (PA-1022) Over Monongahela River in Donora and Webster: Washington County, Pennsylvania and Westmoreland County, Pennsylvania, United States

Metal 20 Panel Pin-Connected Pennsylvania Through Truss, Fixed and Approach Spans: Metal 9 Panel Pin-Connected Parker Through Truss, Fixed

Length: 1,547 ft. Main Span: 518 ft. Roadway: 22.6 ft. Main Spans: 5

Built 1908 By: Toledo-Massillon Bridge Company of Toledo, Ohio and A. N. Nelson

One of the most stunning landmark bridges in all of Pennsylvania, yet it was sentenced to demolition for no reason.

X
Arroyo Road Bridge
HSR

Arroyo Road (TR-314) Over Clarion River in Rural: Elk County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 281 ft. Main Span: 111 ft. Roadway: 12.5 ft. Main Spans: 2

Built 1901 By: Nelson and Buchanan of Chambersburg, Pennsylvania

You might call this the sister bridge to the Shanley Road Bridge... it also suffered the same fate.

X
Bells Landing Bridge
HSR

Redden Hill Road (PA-3005) Over West Branch Susquehanna River in Rural: Clearfield County, Pennsylvania, United States

Metal 11 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 197 ft. Main Span: 194 ft. Roadway: 13.8 ft. Main Spans: 1

Built 1892 By: King Bridge Company of Cleveland, Ohio

This incredible bridge with excellent historic integrity could and should have been preserved.

X
Cambridge Springs Bridge
HSR

US-6 / US-19 (Main Street) Over French Creek in Cambridge Springs: Crawford County, Pennsylvania, United States

Metal 10 Panel Pin-Connected Pennsylvania Through Truss, Fixed

Length: 203 ft. Main Span: 200 ft. Roadway: 21.3 ft. Main Spans: 1

Built 1901 By: Massillon Bridge Company of Massillon, Ohio

This pin connected, massive-membered bridge was a beautiful centerpiece for the town, but it was not safe from PennDOT.

X
Kelly Road Bridge
Canal Road Bridge
HSR

Canal Road (TR-388, Kelly Road) Over Shenango River in Sharpsville: Mercer County, Pennsylvania, United States

Metal 11 Panel Pin-Connected Camelback Through Truss, Fixed

Length: 187 ft. Main Span: 179 ft. Roadway: 16 ft. Main Spans: 1

Built 1897 By: Penn Bridge Company of Beaver Falls, Pennsylvania

This beautiful and rare treasure is near multiple parks on a lightly traveled road, yet the only thing anyone was willing to preserve of this bridge was two panels of the truss as an exhibit.

X
Charleroi-Monessen Bridge
HSR

Lock Street (PA-2018) Over Monongahela River in Charleroi and Monessen: Washington County, Pennsylvania and Westmoreland County, Pennsylvania, United States

Metal 20 Panel Pin-Connected Pennsylvania Through Truss, Fixed

Length: 1,810 ft. Main Span: 400 ft. Roadway: 22.6 ft. Main Spans: 3

Built 1906 By: American Bridge Company of New York, New York and Emil Swensson, of Mercantile Bridge Company

A huge example of its type and is a stunning landmark, yet was targeted by PennDOT for reduction to scrap metal.

X
Dorrington Road Bridge
HSR

Dorrington Road (PA-3117) Over Robinson Run in Ewingsville: Allegheny County, Pennsylvania, United States

Metal 5 Panel Pin-Connected Pratt Pony Truss, Fixed

Length: 60 ft. Main Span: 55 ft. Roadway: 15.7 ft. Main Spans: 1

Built 1888 By: Pittsburgh Bridge Company of Pittsburgh, Pennsylvania

The fate of this ancient and extremely rare, historically intact bridge with vertical end posts is in question!

X
Foxburg Bridge
HSR

PA-58 Over Allegheny River in Foxburg: Armstrong County, Pennsylvania and Clarion County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed

Length: 538 ft. Main Span: 174 ft. Roadway: 14 ft. Main Spans: 3

Built 1921 By: Bethlehem Steel Bridge Corporation of Steelton, Pennsylvania

Another breathtaking, one-of-a-kind historic Allegheny River treasure falls under the wrath of PennDOT.

X
Grant Street Bridge
HSR

Grant Street Over Shenango River in New Castle: Lawrence County, Pennsylvania, United States

Metal 12 Panel Pin-Connected Pennsylvania Through Truss, Fixed

Length: 245 ft. Main Span: 240 ft. Roadway: 25 ft. Main Spans: 1

Built 1914 By: Unknown

This spectacular pin connected Pennsylvania truss was closed to traffic, and later demolished.

X
Hickory Creek Bridge
Willow Grove Hickory Bridge
HSR

Wampum Road (Willowgrove Road) Over Hickory Creek in Rural: Lawrence County, Pennsylvania, United States

Concrete Rainbow Through Arch, Fixed

Length: 112 ft. Main Span: 112 ft. Roadway: 23 ft. Main Spans: 1

Built 1921 By: Unknown and Harrington, Howard, and Ash of Kansas City, Missouri

This rare bridge has not been maintained, yet is one of the only examples of its kind in the state.

X
Masontown Bridge
Intercounty Bridge
HSR

PA-21 (McClellandtown Road / E. Roy Furman Highway) Over Monongahela River in Near Masontown: Fayette County, Pennsylvania and Greene County, Pennsylvania, United States

Metal 16 Panel Multiple-Type-Connected Pennsylvania Through Truss, Fixed

Length: 1,457 ft. Main Span: 402 ft. Roadway: 24 ft. Main Spans: 5

Built 1925 By: Independent Bridge Company of Pittsburgh, Pennsylvania

This breathtaking monument, rich with Pennsylvania heritage, was destroyed by PennDOT.

X
Miller Station Road Bridge
HSR

Miller Station Road (PA-1016) Over French Creek in Rural: Crawford County, Pennsylvania, United States

Metal 10 Panel Pin-Connected Whipple (Double-Intersection Pratt) Through Truss, Fixed

Length: 136 ft. Main Span: 132 ft. Roadway: 16.7 ft. Main Spans: 1

Built 1887 By: Wrought Iron Bridge Company of Canton, Ohio

This was a rare and ornate example of a Wrought Iron Bridge Company of Canton, Ohio Whipple truss.

X
Monastery Drive Bridge
HSR

Monastery Drive Over Railroad (Norfolk Southern) in Rural: Westmoreland County, Pennsylvania, United States

Metal Pin-Connected Double-Intersection Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed

Length: 228 ft. Main Span: 157 ft. Roadway: 18.4 ft. Main Spans: 1

Built 1890 By: Unknown

This extremely rare truss bridge crossing a historic rail line is threatened with demolition!

X
Point Marion Bridge
Albert Gallatin Bridge
HSR

PA-88 Over Monongahela River in Point Marion: Fayette County, Pennsylvania and Greene County, Pennsylvania, United States

Metal Cantilever 20 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 810 ft. Main Span: 464 ft. Roadway: 19.7 ft. Main Spans: 3

Built 1930 By: Pittsburgh - Des Moines Steel Company and Harrington and Cortelyou

This magnificent bridge was one of the few and finest cantilever bridges in Pennsylvania, yet was sentenced to demolition by PennDOT.

X
Pond Eddy Bridge
All Veterans Memorial Bridge
HSR

High Road (PA-1011) Over Delaware River in Rural: Sullivan County, New York and Pike County, Pennsylvania, United States

Metal 12 Panel Pin-Connected Pennsylvania Through Truss, Fixed

Length: 513 ft. Main Span: 252 ft. Roadway: 14.8 ft. Main Spans: 2

Built 1904 By: Owego Bridge Company of Owego, New York

Located on one of the most beautiful stretches of river around, this bridge is going to be demolished thanks to Pennsylvania.

X
Shanley Road Bridge
Maxwell Run Bridge
HSR

Shanley Road (TR-308) Over Clarion River in Rural (Near Hallton): Elk County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal 4 Panel Rivet-Connected Double-Intersection Warren Pony Truss, Fixed

Length: 341 ft. Main Span: 118 ft. Roadway: 12.5 ft. Main Spans: 2

Built 1891 By: Pittsburgh Bridge Company of Pittsburgh, Pennsylvania, Nelson and Buchanan of Chambersburg, Pennsylvania Agents

The flagship bridge for this website's mission: A quintessential metal truss bridge that was demolished without a solid reason.

X
Van Gorder Mill Road Bridge
HSR

Van Gorder Mill Road (PA-2005) Over Slippery Rock Creek in Rural: Lawrence County, Pennsylvania, United States

Metal 9 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 277 ft. Main Span: 137 ft. Roadway: 15 ft. Main Spans: 2

Built 1891 By: Pittsburgh Bridge Company of Pittsburgh, Pennsylvania, Nelson and Buchanan of Chambersburg, Pennsylvania Agents

This magnificent two-span structure is one of Lawrence County's finest bridges.

X
Venango Veterans Memorial Bridge
Gravel Run Road Bridge / Cussewago Street Bridge
HSR

Cussewago Street / Gravel Run Road (PA-1002) Over French Creek in Venango: Crawford County, Pennsylvania, United States

Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 261 ft. Main Span: 129 ft. Roadway: 16 ft. Main Spans: 2

Built 1893 By: Wrought Iron Bridge Company of Canton, Ohio

A bridge with remarkable beauty and integrity, PennDOT neglected this bridge, giving it an excuse to demolish the bridge.

X
Wolf Bridge
HSR

Wolf Bridge Road Over Conodoguinet Creek in Rural: Cumberland County, Pennsylvania, United States

Metal 12 Panel Pin-Connected Pennsylvania Through Truss, Fixed

Length: 192 ft. Main Span: 190 ft. Roadway: 14.8 ft. Main Spans: 1

Built 1895 By: Pittsburgh Bridge Company of Pittsburgh, Pennsylvania, Nelson and Buchanan of Chambersburg, Pennsylvania Agents

This beautiful Pennsylvania through truss was damaged by a car and closed.

X
Berne Station Bridge
Berne Bridge
HSR

Fisher Dam Road (TR-558) Over Schuylkill River in Berne: Berks County, Pennsylvania, United States

Metal 12 Panel Pin-Connected Pennsylvania Through Truss, Fixed

Length: 206 ft. Main Span: 204 ft. Roadway: 18.7 ft. Main Spans: 1

Built 1896 By: Pittsburgh Bridge Company of Pittsburgh, Pennsylvania, Nelson and Buchanan of Chambersburg, Pennsylvania Agents

This beautiful and rare truss bridge is slated for demolition despite its historic value and potential for preservation.

X
Cunningham Road Bridge
HSR

Cunningham Road (PA-3008) Over Marsh Creek in Rural: Adams County, Pennsylvania, United States

Metal 10 Panel Pin-Connected Baltimore Through Truss, Fixed and Approach Spans: Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 255 ft. Main Span: 160 ft. Roadway: 13.5 ft. Main Spans: 1

Built 1894 By: Nelson and Buchanan of Chambersburg, Pennsylvania

An extremely rare bridge located a handful of miles from historic Gettysburg, this bridge is slated for demolition.

X
Hickory Bridge
West Hickory Bridge
HSR

PA-127 (Fleming Hill Road) Over Allegheny River in West Hickory: Forest County, Pennsylvania, United States

Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 695 ft. Main Span: 162 ft. Roadway: 14.8 ft. Main Spans: 4

Built 1896 By: Groton Bridge Company of Groton, New York

This ornate king of the Allegheny River, assassinated by PennDOT, leaving a permanent scar on the landscape of a once-beautiful location.

X
Hunter Station Bridge
HSR

US-62 Over Allegheny River in Hunter: Forest County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Pratt Combination (Half-Deck/Through) Truss, Fixed and Approach Spans: Metal 7 Panel Rivet-Connected Pratt Deck Truss, Fixed

Length: 1,051 ft. Main Span: 277 ft. Roadway: 22 ft. Main Spans: 3

Built 1934 By: P. I. Cox Construction Company and Pennsylvania State Highway Department

The deck runs right through the middle of this impressive and very unusual truss bridge!

X
Coplay-Northampton Bridge
Chestnut Street Bridge
HSR

Chestnut Street (PA-7404, 9th Street) Over Lehigh River and Railroad in Coplay and Northampton: Lehigh County, Pennsylvania and Northampton County, Pennsylvania, United States

Concrete Open Spandrel Deck Arch, Fixed and Approach Spans: Metal Continuous Rivet-Connected Parker Through Truss, Fixed

Length: 1,124 ft. Main Span: 214 ft. Roadway: 23.3 ft. Main Spans: 3

Built 1930 By: Whitaker and Diehl of Harrisburg, Pennsylvania

This enormous historic concrete arch bridge, which features a variety of approach spans, is slated for demolition and replacement!

X
Hilltown Bridge
Churchill Road Bridge
HSR

Churchill Road Over Mahoning River in Rural: Lawrence County, Pennsylvania, United States

Metal 9 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 282 ft. Main Span: 153 ft. Roadway: 15.4 ft. Main Spans: 2

Built By: Unknown and Thomas Gilkey

This bridge was, prior to its senseless demolition, a two span structure, and one of the spans was older than the other, but both dated to a historic period.

X
Climax Bridge
HSR

Tunnel Road Over Redbank Creek in Climax (Rural): Armstrong County, Pennsylvania and Clarion County, Pennsylvania, United States

Metal Rivet-Connected Warren Deck Truss, Fixed

Length: 258 ft. Main Span: 101 ft. Roadway: 11.2 ft. Main Spans: 3

Built 1898 By: Unknown

This highly unusual 1890s deck truss apparently served a rail-line before becoming a highway bridge, and was located near a very cool railroad stone tunnel!

X
Creek Road Bridge
HSR

Creek Road (Steelville Mill Road) Over East Octoraro Creek in Rural: Chester County, Pennsylvania and Lancaster County, Pennsylvania, United States

Concrete Through Girder, Fixed

Length: 76 ft. Main Span: 38 ft. Roadway: 19.4 ft. Main Spans: 2

Built 1909 By: Andrew Buchanan of Chambersburg, Pennsylvania

This is one of the oldest concrete girder bridges in Pennsylvania.

X
Currie Road Bridge
HSR

Currie Road (TR-318) Over Muddy Creek in Rural: Butler County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Length: 34 ft. Main Span: 30 ft. Roadway: 13.8 ft. Main Spans: 1

Built 1909 By: Unknown

With its unusually large railings, this is a very old and unaltered example of a concrete arch in Pennsylvania.

X
Dean Bridge
Kolak Road Bridge
HSR

Kolak Road Road (TR-512) Over Clearfield Creek in Dean: Cambria County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 104 ft. Main Span: 102 ft. Roadway: 12.8 ft. Main Spans: 1

Built 1902 By: King Bridge Company of Cleveland, Ohio

Crossing a scenic creek, this beautiful example of its builder's work was reduced to a pile of scrap metal.

X
Devitt Camp Road Bridge
HSR

Devitt Camp Road (PA-1012) Over White Deer Hole Creek in Rural: Union County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 116 ft. Main Span: 112 ft. Roadway: 14.8 ft. Main Spans: 1

Built 1902 By: King Bridge Company of Cleveland, Ohio

A great example of what makes Pennsylvania so unique, this beautiful structure compliments its attractive setting very nicely.

X
Duboistown Bridge
Arch Street Bridge
HSR

Arch Street (PA-2064) Over West Branch Susquehanna River in Duboistown and Williamsport: Lycoming County, Pennsylvania, United States

Metal 9 Panel Rivet-Connected Camelback Through Truss, Fixed

Length: 1,407 ft. Main Span: 199 ft. Roadway: 19 ft. Main Spans: 7

Built 1922 By: Bethlehem Steel Company of Bethlehem, Pennsylvania and Mark C. Krause of Duboistown, Pennsylvania

This spectacular bridge has been the victim of multiple injustices against historic bridges.

X
Dump Hill Road Bridge
HSR

Dump Hill Road (PA-3014) Over Nescopeck Creek in Rural: Luzerne County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Camelback Through Truss, Fixed

Length: 134 ft. Main Span: 130 ft. Roadway: 17.7 ft. Main Spans: 1

Built 1905 By: Unknown

This bridge is a rare example of a pin-connected camelback truss in Pennsylvania.

X
Eaton Road Bridge
HSR

Eaton Road (PA-982) Over Loyalhanna Creek in Near Latrobe: Westmoreland County, Pennsylvania, United States

Metal 10 Panel Multiple-Type-Connected Polygonal Warren Pony Truss, Fixed

Length: 259 ft. Main Span: 126 ft. Roadway: 27 ft. Main Spans: 2

Built 1931 By: Unknown

This bridge is very unusual because the bottom chord connections to the lower gusset plates are pinned.

X
Estep Bridge
HSR

Snee Road (TR-844) Over Peters Creek in Rural: Washington County, Pennsylvania, United States

Metal 5 Panel Pin-Connected Pratt Full-Slope Pony Truss, Fixed

Length: 68 ft. Main Span: 64 ft. Roadway: 13.8 ft. Main Spans: 1

Built By: Penn Bridge Company of Beaver Falls, Pennsylvania

Although falsework has been added to support this bridge, it retains its original materials and unusual designs of its builder.

X
Freeman School Road Bridge
HSR

Freeman School Road Over East Branch Perkiomen Creek in Rural: Montgomery County, Pennsylvania, United States

Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 117 ft. Main Span: 113 ft. Roadway: 15 ft. Main Spans: 1

Built 1896 By: John Denithorne and Sons of Phoenixville, Pennsylvania

A firm that the county hired told the county to cancel plans to preserve this historic bridge and instead demolish it.

X
Iron Bridge Road Bridge
SR 3007 Bridge
HSR

Iron Bridge Road (PA-3007) Over Middle Creek in Near Middleburg: Snyder County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 115 ft. Main Span: 112 ft. Roadway: 14 ft. Main Spans: 1

Built 1890 By: Variety Iron Works of Cleveland, Ohio

Despite being in decent condition, on a nonessential road, and a very rare and significant truss bridge, PennDOT demolished this bridge.

X
Kantz Hill Road Bridge
HSR

Kantz Hill Road (TR-315) Over West Branch Susquehanna River in Rural: Clearfield County, Pennsylvania, United States

Metal 9 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 156 ft. Main Span: 154 ft. Roadway: 16 ft. Main Spans: 1

Built 1899 By: King Bridge Company of Cleveland, Ohio

A beautiful example of a significant truss bridge demolished even though it was not in the way of anything.

X
Kreitz Road Bridge
HSR

Kreitz Road (TR-899) Over Little Conneauttee Creek in Rural: Crawford County, Pennsylvania, United States

Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 93 ft. Main Span: 93 ft. Roadway: 11.2 ft. Main Spans: 1

Built 1895 By: Penn Bridge Company of Beaver Falls, Pennsylvania

An excellent example of late 19th century Penn Bridge Company work.

X
Lynch Bridge
Blue Jay Road Bridge
HSR

Blue Jay Road (PA-1003) Over Tionesta Creek in Lynch (Rural): Forest County, Pennsylvania, United States

Metal 10 Panel Pin-Connected Parker Through Truss, Fixed

Length: 205 ft. Main Span: 202 ft. Roadway: 18 ft. Main Spans: 1

Built 1905 By: Eyre Construction Company of Philadelphia, Pennsylvania

This unusual bridge was also the last pin-connected highway truss in Forest County when PennDOT demolished it.

X
Meadows Road Bridge
HSR

Meadows Road (T-376) Over Saucon Creek in Lower Saucon Township: Northampton County, Pennsylvania, United States

Stone Semicircular Deck Arch, Fixed

Length: 102 ft. Main Span: 21 ft. Roadway: 19 ft. Main Spans: 4

Built 1858 By: Unknown

This beautiful stone arch bridge has stood for a century and a half, but now its slated for conversion into a bulldozed pile of rubble.

X
Milburn Road Bridge
HSR

Milburn Road (PA-2004) Over Neshannock Creek in Rural: Mercer County, Pennsylvania, United States

Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 80 ft. Main Span: 80 ft. Roadway: 12 ft. Main Spans: 1

Built 1880 By: Wrought Iron Bridge Company of Canton, Ohio

A small through truss built by the Wrought Iron Bridge Company of Canton, Ohio was sentenced to the dumpster.

X
Mill Street Bridge
HSR

Mill Street Over Railroad (Norfolk Southern) in Millsboro: Washington County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 98 ft. Main Span: 98 ft. Roadway: 18 ft. Main Spans: 1

Built 1908 By: American Bridge Company of New York, New York

This abandoned Warren pony truss overpass has an enormous skew to it!

X
Pine Hill Road Bridge
HSR

Pine Hill Road (PA-3005) Over Scrubgrass Creek in Rural: Venango County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 112 ft. Main Span: 109 ft. Roadway: 15.7 ft. Main Spans: 1

Built 1887 By: Smith Bridge Company of Toledo, Ohio

This attractive through truss bridge was damaged by a vehicle crash and later demolished.

X
Shenango River Railroad Bridge
Erie Railroad Bridge
HSR

Railroad (Norfolk Southern) Over Shenango River in Rural: Mercer County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Lattice (Quadruple Warren) Through Truss, Fixed

Length: 264 ft. Main Span: 135 ft. Roadway: 18 ft. Main Spans: 2

Built 1895 By: Unknown

This was a rare example of multi-span lattice truss bridge with two spans each of a different age.

X
Smith Road Bridge
HSR

Smith Road (TR-406) Over Conneaut Creek Tributary in Rural: Crawford County, Pennsylvania, United States

Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 46 ft. Main Span: 46 ft. Roadway: 14.8 ft. Main Spans: 1

Built 1888 By: Wrought Iron Bridge Company of Canton, Ohio

This small pony truss features extremely unusual connection design that was a characteristic of its builder.

X
Hallton Bridge
Spring Creek Bridge
HSR

River Road (TR-301) Over Spring Creek in Hallton: Elk County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 129 ft. Main Span: 128 ft. Roadway: 12 ft. Main Spans: 1

Built 1898 By: Horseheads Bridge Company of Horseheads, New York

One of the last remaining examples of its builder, unique details including decorative bracing make this a very attractive and unique bridge.

X
Stoughton Road Bridge
HSR

Stoughton Road Over Slippery Rock Creek in Rural: Lawrence County, Pennsylvania, United States

Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 132 ft. Main Span: 124 ft. Roadway: 14 ft. Main Spans: 1

Built 1885 By: Morse Bridge Company of Youngstown, Ohio

An unusual pin connected truss bridge displaying Morse Bridge Company of Youngstown, Ohio details.

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Susquehanna Trail Bridge
Ganoga Bridge
HSR

Susquehanna Trail (PA-295) Over Big Conewago Creek in Rural: York County, Pennsylvania, United States

Concrete Closed Spandrel (Ribbed) Deck Arch, Fixed

Length: 419 ft. Main Span: 74 ft. Roadway: 24 ft. Main Spans: 5

Built 1926 By: G. A. and F.M. Wagman Company of York, Pennsylvania and A. P. Dise

This bridge was an excellent and uncommon example of a closed spandrel ribbed arch and was in decent shape until PennDOT demolished it.

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Tunnelton Bridge
HSR

Tunnelton Road (PA-3003) Over Conemaugh River in Rural: Indiana County, Pennsylvania and Westmoreland County, Pennsylvania, United States

Metal 12 Panel Multiple-Type-Connected Pennsylvania Through Truss, Fixed

Length: 402 ft. Main Span: 396 ft. Roadway: 21.7 ft. Main Spans: 1

Built 1938 By: American Bridge Company of New York, New York

This bridge has some very unusual details and is also noteworthy for its long single span.

X
Wiermans Mill Road Bridge
HSR

Wiermans Mill Road (PA-1009) Over Bermudian Creek in Rural: Adams County, Pennsylvania, United States

Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 93 ft. Main Span: 88 ft. Roadway: 12.8 ft. Main Spans: 1

Built 1896 By: Pittsburgh Bridge Company of Pittsburgh, Pennsylvania

An excellent representative example of work done by an important bridge company.

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Witherspoon Bridge
HSR

Witherspoon Road (TR-861) Over Raccoon Creek in Rural: Washington County, Pennsylvania, United States

Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 97 ft. Main Span: 93 ft. Roadway: 11.5 ft. Main Spans: 1

Built 1894 By: Nelson and Buchanan of Chambersburg, Pennsylvania

One of Washington County's most scenic bridges is this small through truss buried in the woods.

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Wyoming Bridge
8th Street Bridge
HSR

8th Street Over Susquehanna River in Wyoming: Luzerne County, Pennsylvania, United States

Metal 12 Panel Pin-Connected Parker Through Truss, Fixed and Approach Spans: Metal Continuous Stringer (Multi-Beam), Fixed

Length: 1,311 ft. Main Span: 228 ft. Roadway: 19 ft. Main Spans: 4

Built 1914 By: Penn Bridge Company of Beaver Falls, Pennsylvania and David A. Keefe of Athens, Pennsylvania

This long, multi-span example of a pin-connected truss bridge is about to be demolished.

X
Bairs Mill Bridge
HSR

Bairs Mill Road Over Kreutz Creek in Rural: York County, Pennsylvania, United States

Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 87 ft. Main Span: 87 ft. Roadway: 12.5 ft. Main Spans: 1

Built 1893 By: Wrought Iron Bridge Company of Canton, Ohio

Doomed to be turned into scrap, this beautiful bridge contributed to a potential historic district that includes a mill.

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Barto Hollow Road Bridge
HSR

Barto Hollow Road (TR-650) Over Muncy Creek in Rural: Lycoming County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 118 ft. Main Span: 115 ft. Roadway: 15.4 ft. Main Spans: 1

Built 1898 By: Unknown

This bridge was noted for its attractive and unusual portal bracing, and deserved to be preserved.

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Great Valley Bridge
Greensburg Pike Bridge
HSR

Greensburg Pike Over Turtle Creek and Railroad (Norfolk Southern) in Turtle Creek: Allegheny County, Pennsylvania, United States

Metal 9 Panel Rivet-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed

Length: 845 ft. Main Span: 192 ft. Roadway: 24 ft. Main Spans: 4

Built 1925 By: Unknown

This important multi-span bridge has a heavy skew and an incline.

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Paxton Bridge
HSR

Paxton Farm Road Over Chartiers Creek in Rural: Washington County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Warren (No Verticals) Pony Truss, Fixed

Length: 52 ft. Main Span: 48 ft. Roadway: 10.8 ft. Main Spans: 1

Built 1919 By: Unknown

This tiny pony truss is among the first bridges to ever use a rolled H-section for a top chord.

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Lebanon Road Bridge
HSR

Lebanon Road (PA-885) Over Railroad (Union Railroad) in West Mifflin: Allegheny County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Length: 146 ft. Main Span: 110 ft. Roadway: 42.7 ft. Main Spans: 1

Built 1931 By: Unknown and Pennsylvania State Highway Department

This unique concrete arch bridge had an extremely rare and unusual stepped skew design!

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McArdle Roadway Pedestrian Overpass
HSR

Walkway (Abandoned) Over P.J. McArdle Roadway in Pittsburgh: Allegheny County, Pennsylvania, United States

Metal Rivet-Connected Camelback Through Truss, Fixed

Main Spans: 1

Built By: Unknown

There once was likely a lot more to this very unusual overpass that today leads nowhere.

X
Leet Street Bridge
Oliver Bridge
HSR

Leet Street Over Railroad (Norfolk Southern) in Leetsdale: Allegheny County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 109 ft. Main Span: 105 ft. Roadway: 19 ft. Main Spans: 1

Built 1886 By: Morse Bridge Company of Youngstown, Ohio

One of the oldest truss bridges in the county, this bridge has unusual design details.

X
Mercer Pike Bridge
Geneva Swamp Bridge
HSR

Mercer Pike (PA-2003) Over Conneaut Outlet (Geneva Swamp) in Rural: Crawford County, Pennsylvania, United States

Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 83 ft. Main Span: 80 ft. Roadway: 16.4 ft. Main Spans: 1

Built 1888 By: Morse Bridge Company of Youngstown, Ohio

This bridge is interesting because of its unusual decorative detailing on the portal bracing.

X
Travis Road Bridge
HSR

Travis Road (PA-3022) Over Sugar Creek in North Towanda: Bradford County, Pennsylvania, United States

Metal 8 Panel Pin-Connected Parker Through Truss, Fixed

Length: 156 ft. Main Span: 152 ft. Roadway: 17 ft. Main Spans: 1

Built 1900 By: Unknown

This abandoned bridge has great tourism potential if it were to be restored.

X
Peters Creek Railroad Bridge
HSR

Railroad (Pittsburgh and West Virginia) Over Peters Creek and Piney Fork Road in Jefferson: Allegheny County, Pennsylvania, United States

Metal 4 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed

Main Spans: 1

Built By: Unknown

This railroad bridge is noted for its through truss span with a highly unusual skew design.

X
Birdsboro Bridge
Birdsboro Viaduct
HSR

PA-82 (Center Road, Furnace Street) Over Schuylkill River and Railroad (Norfolk Southern) in Birdsboro: Berks County, Pennsylvania, United States

Concrete Open Spandrel Deck Arch, Fixed and Approach Spans: Concrete Deck Girder, Fixed

Length: 1,123 ft. Main Span: 108 ft. Roadway: 25 ft. Main Spans: 9

Built 1927 By: Whitaker and Diehl of Harrisburg, Pennsylvania and Charles F. Sanders

This large and unique bridge has a bridge ramp that intersects with it, and this ramp has an original brick deck and railings.

X
Morris Road Bridge
HSR

Morris Road (TR-653) Over Railroad (Erie Railroad) in Rural: Crawford County, Pennsylvania, United States

Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed

Length: 160 ft. Main Span: 88 ft. Roadway: 23.6 ft. Main Spans: 1

Built 1935 By: Unknown

An extremely unusual, abandoned railroad overpass truss bridge.

X
Preston Foot Bridge
HSR

Walkway (Abandoned) Over Railroad CSX) in McKees Rocks: Allegheny County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Warren Pony Truss, Fixed

Main Spans: 3

Built 1912 By: Unknown

An impressive, multi-span example of a historic pedestrian truss bridge.

X
Scott Bridge
HSR

Galati Road (TR-607) Over Millers Run in Rural: Washington County, Pennsylvania, United States

Metal Pin-Connected Queenpost Pony Truss, Fixed

Length: 36 ft. Main Span: 33 ft. Roadway: 11.8 ft. Main Spans: 1

Built 1890 By: Pittsburgh Bridge Company of Pittsburgh, Pennsylvania

This tiny pony truss is unusual and noteworthy for its use of star iron and it has other odd details as well.

X
Dunbar Bridge
Harmon Creek Road Bridge
HSR

Harmon Creek Road (TR-843) Over Raccoon Creek in Rural: Washington County, Pennsylvania, United States

Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 64 ft. Main Span: 60 ft. Roadway: 10.5 ft. Main Spans: 1

Built 1889 By: Pittsburgh Bridge Company of Pittsburgh, Pennsylvania

This nicely detailed, ancient pony truss is among the most historically significant of the bridges in Washington County.

X
Woodruff Bridge
Crotut Road Bridge, County Bridge Number 17
HSR

Crotut Road (TR-328) Over Towanda Creek in Rural: Bradford County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 125 ft. Main Span: 125 ft. Roadway: 15.3 ft. Main Spans: 1

Built 1905 By: York Bridge Company of York, Pennsylvania

This bridge has been abandoned and forgotton, but it retains much charm.

X
Lehigh Street Bridge
Hocky-Catty Bridge / Hokendauqua Bridge
HSR

Lehigh Street (PA-1014) Over Lehigh River and Railroad in North Catasauqua and Hokendauqua: Lehigh County, Pennsylvania and Northampton County, Pennsylvania, United States

Metal Pin-Connected Pratt Deck Truss, Fixed and Approach Spans: Metal Rivet-Connected Through Girder, Fixed

Length: 782 ft. Main Span: 158 ft. Roadway: 23.6 ft. Main Spans: 4

Built 1894 By: Lehigh Valley Construction Company of South Bethlehem, Pennsylvania

A rare pin-connected deck truss on a Pennsylvania highway, this impressive large structure also consists of a stringer and a pony truss bridge.

X
Young's Bridge
HSR

Sylvania Drive Over North Fork Little Beaver Creek in Rural: Beaver County, Pennsylvania, United States

Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 98 ft. Main Span: 92 ft. Roadway: 13 ft. Main Spans: 1

Built 1885 By: Penn Bridge Company of Beaver Falls, Pennsylvania

This bridge appears to be the work of Penn Bridge Company based on unusual details associated with that company.

X
Harrison Avenue Bridge
HSR

Harrison Avenue (PA-6011) Over Roaring Brook, PA-6011, and Railroad in Scranton: Lackawanna County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed and Approach Spans: Concrete Deck Arch, Fixed

Length: 392 ft. Main Span: 202 ft. Roadway: 30 ft. Main Spans: 1

Built 1922 By: Anthracite Bridge Company and A. Burton Cohen of New York, New York

Although difficult to photograph, this is a beautiful example of a concrete arch bridge.

X
Camp Wawa Road Bridge
HSR

Camp Wawa Road Over East Branch Perkiomen Creek in Lower Salford Township: Montgomery County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Full-Slope Pony Truss, Fixed

Length: 158 ft. Main Span: 75 ft. Roadway: 15.4 ft. Main Spans: 2

Built 1892 By: Unknown

This bridge stands out as an uncommon example of a multi-span pin-connected pony truss.

X
Lloyd Street Bridge
HSR

Lloyd Street Over Railroad (Amtrak, Northeast Corridor) in Chester: Delaware County, Pennsylvania, United States

Metal 6 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed and Approach Spans: Metal Girder, Fixed

Length: 126 ft. Main Span: 77 ft. Roadway: 31.2 ft. Main Spans: 1

Built 1899 By: Unknown

This bridge was noted as a somewhat early surviving rivet-connected truss bridge in Pennsylvania.

X
Dooker's Hollow Bridge
HSR

Bell Avenue (Center Street) Over Dooker's Hollow and O'Connell Boulevard in North Braddock and East Pittsburgh: Allegheny County, Pennsylvania, United States

Metal Cantilever 12 Panel Rivet-Connected Pratt Deck Truss, Fixed

Length: 598 ft. Main Span: 276 ft. Roadway: 44 ft. Main Spans: 3

Built 1940 By: Pittsburgh - Des Moines Steel Company of Pittsburgh, Pennsylvania and Allegheny County Department of Public Works

Rather than preserve this impressive high level deck truss bridge it was instead sentenced to the dumpster to be replaced with a very ugly modern bridge.

X
Amy Road Bridge
HSR

Amy Road (TR-735) Over Gravel Run in Rural: Crawford County, Pennsylvania, United States

Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 43 ft. Main Span: 43 ft. Roadway: 16 ft. Main Spans: 1

Built 1895 By: Unknown

This small pony truss was a classic example of pin connected technology.

X
Bender Bridge
Ficke Bridge
HSR

Bender Bridge Road (TR-504) Over Elk Lick Creek in Rural: Somerset County, Pennsylvania, United States

Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 48 ft. Main Span: 45 ft. Roadway: 13 ft. Main Spans: 1

Built 1885 By: Penn Bridge Company of Beaver Falls, Pennsylvania

A small, but noteworthy bridge in a potential rural historic district.

X
Boulevard of the Allies Bridge
HSR

Boulevard of the Allies (PA-885) Over Various Streets in Pittsburgh: Allegheny County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 351 ft. Roadway: 40 ft. Main Spans: 2

Built 1928 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania

This bridge was part of an early example of an attempt to control city congestion and create better traffic flow.

X
Buffenmeyer Road Bridge
HSR

Buffenmeyer Road Over Railroad (Norfolk Southern) in Rural: Westmoreland County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 93 ft. Main Span: 93 ft. Roadway: 18 ft. Main Spans: 1

Built 1906 By: American Bridge Company of New York, New York

This bridge has a flat plate-like appearance due to its design.

X
Caldwell Bridge
Hoon Road Bridge
HSR

Hoon Road Over Connoquenessing Creek in Rural: Butler County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 61 ft. Main Span: 56 ft. Roadway: 14.8 ft. Main Spans: 1

Built 1902 By: Unknown

Representing the transition from pinned to riveted connections, this extremely early example of a riveted Pratt pony truss was demolished!

X
Center Road Bridge
HSR

Center Road (TR-841) Over Cussewago Creek in Rural: Crawford County, Pennsylvania, United States

Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 49 ft. Main Span: 47 ft. Roadway: 14.8 ft. Main Spans: 1

Built 1910 By: Unknown

This bridge has had some alterations but is still attractive from an overview perspective.

X
Dilltown Bridge
HSR

PA-403 Over Black Lick Creek in Dilltown: Indiana County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Length: 155 ft. Main Span: 72 ft. Roadway: 18 ft. Main Spans: 2

Built 1924 By: Farris Engineering (Bridge) Company of Pittsburgh, Pennsylvania

A lack of maintainance has caused severe spalling on this once-proud structure.

X
East Brady Bridge
HSR

PA-68 Over Allegheny River in East Brady: Armstrong County, Pennsylvania and Clarion County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 771 ft. Main Span: 200 ft. Roadway: 20 ft. Main Spans: 4

Built 1934 By: Lackawanna Bridge Company of Buffalo, New York

PennDOT seems bent on destroying every single historic bridge on the Allegheny River north of Pittsburgh!

X
Eddie Road Bridge
HSR

Eddie Road (TR-776) Over Muddy Creek in Rural: Crawford County, Pennsylvania, United States

Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 65 ft. Main Span: 63 ft. Roadway: 11.2 ft. Main Spans: 1

Built 1895 By: Unknown

A decent-sized half-hip Pratt pony truss adds character to a rural area.

X
Edinburg Bridge
HSR

US-224 (Youngstown-Poland Road) Over Mahoning River and Railroad (CSX) in Edinburg: Lawrence County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal Through Girder, Fixed

Length: 480 ft. Main Span: 270 ft. Roadway: 34 ft. Main Spans: 1

Built 1936 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department

This complex and intricate 1930s design Parker truss is covered in v-lacing and lattice!

X
Flat Road Bridge
HSR

Flat Road (TR-304) Over West Branch Caldwell Creek in Rural: Warren County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 54 ft. Main Span: 52 ft. Roadway: 11.8 ft. Main Spans: 1

Built 1910 By: Unknown

This was an abandoned Warren pony truss that was noted for its skew.

X
Gastown Bridge
HSR

Racetrack Road (TR-690) Over Plum Creek in Rural: Armstrong County, Pennsylvania, United States

Metal 6 Panel Pin-Connected Pratt Full-Slope Pony Truss, Fixed

Length: 102 ft. Main Span: 97 ft. Roadway: 13 ft. Main Spans: 1

Built 1910 By: Penn Bridge Company of Beaver Falls, Pennsylvania

This pony truss has an unusual curb design, a bottom chord below the floorbeams and a skew.

X
Kennedy Mill Bridge
Frew Mill Road Bridge
HSR

Frew Mill Road (PA-1012) Over Slippery Rock Creek in Rural: Lawrence County, Pennsylvania, United States

Metal 6 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed

Length: 80 ft. Main Span: 78 ft. Roadway: 16 ft. Main Spans: 1

Built 1928 By: Unknown and Thomas Gilkey

The fact that this bridge is a beautiful bridge in a very scenic area did not stop PennDOT from demolishing it!

X
Mill Street Bridge
American Veterans Memorial Bridge
HSR

Mill Street Over Neshannock Creek in New Castle: Lawrence County, Pennsylvania, United States

Metal 9 Panel Pin-Connected Parker Through Truss, Fixed

Length: 221 ft. Main Span: 219 ft. Roadway: 31.8 ft. Main Spans: 1

Built 1917 By: Unknown and Thomas Gilkey

This fascinating bridge had a very unusual skew design.

X
Moffet Mill Bridge
HSR

Moffet Mill Road Over Raccoon Creek in Rural: Beaver County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 152 ft. Main Span: 146 ft. Roadway: 18 ft. Main Spans: 1

Built 1929 By: Farris Engineering (Bridge) Company of Pittsburgh, Pennsylvania

This is a traditional riveted Pratt truss bridge in a scenic location.

X
Morrisville Bridge
HSR

Jefferson Road (PA-188) Over South Fork Tenmile Creek in Morrisville: Greene County, Pennsylvania, United States

Concrete Open Spandrel Deck Arch, Fixed

Length: 192 ft. Main Span: 132 ft. Roadway: 18 ft. Main Spans: 1

Built 1920 By: E. B. and B. F. Lippincott and T. B. Dinsmore

This rare and graceful arch bridge was demolished next to its replacement.

X
North Main Street Bridge
Putin Bridge
HSR

North Main Street (TR-388) Over Nescopeck Creek in Rural: Luzerne County, Pennsylvania, United States

Metal Rivet-Connected Warren Pony Truss, Fixed

Length: 88 ft. Main Span: 85 ft. Roadway: 20 ft. Main Spans: 1

Built By: Penn Bridge Company of Beaver Falls, Pennsylvania

This bridge was a fairly early example of a truss bridge with riveted connections, and was built by a prolific in-state builder.

X
Pennsylvania Turnpike Allegheny River Bridge
HSR

I-76 (Pennsylvania Turnpike) Over Allegheny River in Near Oakmont: Allegheny County, Pennsylvania, United States

Metal Cantilever Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed

Length: 2,186 ft. Main Span: 534 ft. Roadway: 61 ft. Main Spans: 5

Built 1951 By: Unknown and Modjeski and Masters

This large and early expressway structure was demolished and replaced.

X
Plum Creek Road Bridge
Johnston Bridge
HSR

Plum Creek Road (PA-2069) Over Plum Creek in Rural: Armstrong County, Pennsylvania, United States

Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 80 ft. Main Span: 72 ft. Roadway: 14.4 ft. Main Spans: 1

Built 1904 By: Unknown

This small pony truss has an unusual bottom chord and good historic integrity, but this was not enough to spare it from demolition.

X
Senn Bridge
HSR

Evergreen Mill Road (TR-323) Over Little Connoquenessing Creek in Rural: Butler County, Pennsylvania, United States

Metal 6 Panel Multiple-Type-Connected Polygonal Warren Pony Truss, Fixed

Length: 91 ft. Main Span: 86 ft. Roadway: 19.7 ft. Main Spans: 1

Built 1929 By: Victor C. Minteer of New Wilmington, Pennsylvania and Farris Engineering (Bridge) Company of Pittsburgh, Pennsylvania

This extremely unusual bridge is technologically significant for its pin-connected bottom chord with all other connections riveted.

X
Sergeant Michael Strank Memorial Bridge
HSR

Main Street (PA-271) Over Little Conemaugh River, Railroad Street, and Railroad (Norfolk Southern) in East Conemaugh and Franklin: Cambria County, Pennsylvania, United States

Metal 11 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal Through Girder, Fixed

Length: 750 ft. Main Span: 174 ft. Roadway: 24 ft. Main Spans: 1

Built 1921 By: Bell-Bockel Company of Altoona, Pennsylvania and Farris Engineering Company of Pittsburgh, Pennsylvania

PennDOT was going to preserve this beautiful memorial bridge until a contractor convinced them to demolish it.

X
Spillman Lane Bridge
HSR

Spillman Lane Over Enlow Fork Wheeling Creek in Rural: Washington County, Pennsylvania and Greene County, Pennsylvania, United States

Metal 6 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed

Main Spans: 1

Built By: Unknown

This bridge is part of a road that was turned into a state game lands trail.

X
Sulphur Springs Road Bridge
HSR

Sulphur Springs Road Over Little Juniata Creek in Rural: Perry County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Double-Intersection Warren Pony Truss, Fixed

Length: 55 ft. Main Span: 55 ft. Roadway: 11.2 ft. Main Spans: 1

Built 1904 By: Nelson and Buchanan of Chambersburg, Pennsylvania

Although the trusses of this bridge no longer function to hold traffic loads and also are falling apart, they continue to offer heritage value.

X
Wayne Street Viaduct
HSR

Wayne Street (PA-356) Over Railroad (B and LE RR, B and P RR), Connoquenessing Creek, Cliff Street in Butler: Butler County, Pennsylvania, United States

Metal Deck Girder, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 865 ft. Main Span: 84 ft. Roadway: 35.8 ft. Main Spans: 12

Built 1915 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania and Waddell and Harrington of Kansas City, Missouri

A very long plate girder viaduct with attractive v-laced supports was demolished.

X
McClintock Bridge
HSR

PA-8 Over Oil Creek in McClintock: Venango County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 312 ft. Main Span: 152 ft. Roadway: 28.5 ft. Main Spans: 2

Built 1930 By: T. J. Foley and Pennsylvania State Highway Department

This massive-member truss bridge features an uncommon portal bracing design.

X
Mifflintown Bridge
HSR

Bridge Street / Main Street (PA-35) Over Juniata River in Mifflintown and Mifflin: Juniata County, Pennsylvania, United States

Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed

Length: 690 ft. Main Span: 172 ft. Roadway: 23.6 ft. Main Spans: 4

Built 1937 By: Whitaker and Diehl of Harrisburg, Pennsylvania and Pennsylvania State Highway Department

Despite an attractive appearance and potential for reuse, this bridge will not be left standing next to its planned replacement.

X
Camp Road Bridge
HSR

Camp Road (PA-1021) Over East Branch Perkiomen Creek in Rural: Montgomery County, Pennsylvania, United States

Stone Semicircular Deck Arch, Fixed

Length: 146 ft. Main Span: 30 ft. Roadway: 21 ft. Main Spans: 5

Built 1858 By: James White

This ancient stone arch bridge sadly is altered and has deteriorated.

X
Village Road Bridge
HSR

Village Road (PA-741) Over Pequea Creek in Rural: Lancaster County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Length: 135 ft. Main Span: 60 ft. Roadway: 20 ft. Main Spans: 2

Built 1923 By: J. Miller Eshelman of Landisville, Pennsylvania and Frank H. Shaw of Lancaster, Pennstlvania

Although deteriorated, this bridge was a concrete arch bridge with attractive architectural detailing.

X
Christman Road Bridge
Hummel's Bridge
HSR

Christman Road (TR-770) Over Sacony Creek in Rural: Berks County, Pennsylvania, United States

Metal 5 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 74 ft. Main Span: 73 ft. Roadway: 15.4 ft. Main Spans: 1

Built 1896 By: Nelson and Buchanan of Chambersburg, Pennsylvania

This is a fairly long span example of a half-hip pony truss bridge.

X
Chartiers Bridge
HSR

Seven Creeks Road (PA-1014) Over Castile Run in Chartiers: Greene County, Pennsylvania, United States

Metal 5 Panel Rivet-Connected Parker Pony Truss, Fixed

Length: 68 ft. Main Span: 66 ft. Roadway: 14.4 ft. Main Spans: 1

Built 1913 By: Unknown

An attractive and traditional rivet-connected Parker pony truss bridge.

X
Mill Hill Road Bridge
HSR

Mill Hill Road (TR-336) Over Nescopeck Creek in Rural: Luzerne County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 108 ft. Main Span: 103 ft. Roadway: 17 ft. Main Spans: 1

Built By: Penn Bridge Company of Beaver Falls, Pennsylvania

An excellent an unaltered representative example of a relatively early truss bridge with riveted connections in Pennsylvania.

X
Ironville Bridge
HSR

Ironville Road (PA-1014) Over Little Juniata River in Ironville: Blair County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Length: 166 ft. Main Span: 76 ft. Roadway: 22 ft. Main Spans: 2

Built 1912 By: Curwensville Construction Company of Curwensville, Pennsylvania

This attractive concrete arch bridge was allowed to deteriorate and then condemned to demolition by PennDOT.

X
Spring Grove Bridge
HSR

York Road (PA-116) Over West Branch Codorus Creek in Spring Grove: York County, Pennsylvania, United States

Concrete Closed Spandrel (Ribbed) Deck Arch, Fixed

Length: 135 ft. Main Span: 64 ft. Roadway: 23.6 ft. Main Spans: 2

Built 1923 By: Unknown

This bridge was a rare example of a closed spandrel ribbed arch bridge.

X
Wabash Road Bridge
HSR

Wabash Road Over Cocalico Creek in Rural: Lancaster County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 104 ft. Main Span: 102 ft. Roadway: 19.4 ft. Main Spans: 1

Built 1936 By: Unknown

An interesting example of a 1930s county-designed truss bridge.

X
Oldham Bridge
HSR

Crumb Road (TR-816) Over Clear Shade Creek in Rural: Somerset County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Parker Pony Truss, Fixed

Length: 49 ft. Main Span: 47 ft. Roadway: 10.8 ft. Main Spans: 1

Built 1908 By: Unknown

Lots of taxpayer dollars were used to replace this extremely rural bridge mainly for the benefit of a single private business.

X
Eatonville Bridge
HSR

Church Road Over Bowmans Creek in Eatonville: Wyoming County, Pennsylvania, United States

Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 110 ft. Main Span: 107 ft. Roadway: 15 ft. Main Spans: 1

Built By: Pittsburgh Bridge Company of Pittsburgh, Pennsylvania, Nelson and Buchanan of Chambersburg, Pennsylvania Agents

This abandoned bridge is located in a tiny community with a strong feeling of an era long past.

X
Woolen Mills Bridge
Factory Street Bridge
HSR

Factory Street (TR-372) Over Lake Creek in Cooperstown: Venango County, Pennsylvania, United States

Metal 5 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 73 ft. Main Span: 70 ft. Roadway: 15.7 ft. Main Spans: 1

Built 1889 By: Massillon Bridge Company of Massillon, Ohio

This bright yellow bridge sits out in the open for people to admire and easily photograph.

X
Rick Road Bridge
HSR

Rick Road (TR-450) Over Elk Creek in Rural: Erie County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 97 ft. Main Span: 58 ft. Roadway: 13.5 ft. Main Spans: 1

Built 1915 By: Unknown

This bridge has a pony truss span and a slightly smaller stringer span.

X
Wing Road Bridge
Canal Road Bridge
HSR

Wing Road (TR-689, Canal Road) Over Conneaut Creek in Rural: Crawford County, Pennsylvania, United States

Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 53 ft. Main Span: 50 ft. Roadway: 15.4 ft. Main Spans: 1

Built 1895 By: Unknown

This was once one of a number of remaining truss bridges in the Conneautville area.

X
Eshelman Mill Road Bridge
HSR

Eshelman Mill Road Over Mill Creek in Rural: Lancaster County, Pennsylvania, United States

Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 112 ft. Main Span: 110 ft. Roadway: 18.4 ft. Main Spans: 1

Built By: Unknown

This bridge was relocated here and altered somewhat in 1933.

X
Broad Street Bridge
HSR

Broad Street (US-219) Over Elk Creek in Ridgway: Elk County, Pennsylvania, United States

Concrete Curved T-Beam, Fixed

Length: 70 ft. Main Span: 68 ft. Roadway: 35 ft. Main Spans: 1

Built 1912 By: Will Dickinson of Ridgway, Pennsylvania

Built by a local builder, this beautiful bridge is an early, unusual, unaltered, and well-decorated concrete bridge in excellent condition.

X
Mill Run Bridge
HSR

PA-381 (Mill Run Road, Whites Bridge Road) Over Indian Creek Reservoir (Mill Run Reservoir) in Rural: Fayette County, Pennsylvania, United States

Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed

Length: 156 ft. Main Span: 155 ft. Roadway: 23 ft. Main Spans: 1

Built 1930 By: Unknown and Pennsylvania State Highway Department

This was a rare surviving example of an earlier state standard through truss plan.

X
Beechwood Boulevard Bridge
Greenfield Bridge
HSR

Greenfield Road (Beechwood Boulevard) Over I-376, US-22, US-30 (Penn Lincoln Parkway / Parkway East) in Pittsburgh: Allegheny County, Pennsylvania, United States

Concrete Open Spandrel Deck Arch, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 466 ft. Main Span: 274 ft. Roadway: 30 ft. Main Spans: 1

Built 1922 By: E. M. Wichert Company of Pittsburgh, Pennsylvania and Pittsburgh Department of Public Works

This once-proud structure is today an example of our flawed surface transportation funding programs.

X
Wangaum Falls Bridge
HSR

Wangum Road (TR-367) Over Middle Creek in Rural: Wayne County, Pennsylvania, United States

Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 89 ft. Main Span: 88 ft. Roadway: 15.7 ft. Main Spans: 1

Built 1903 By: Unknown

Located in a breathtaking waterfall setting, demolishing and replacing this historic bridge on a one-lane road is an enormous waste.

X
Kiefel Bridge
Green Bridge
HSR

Green Bridge Road (Quemahoning Dam Road, TR-628) Over Quemahoning Creek in Rural: Somerset County, Pennsylvania, United States

Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 171 ft. Main Span: 85 ft. Roadway: 16.4 ft. Main Spans: 2

Built 1913 By: Unknown

An attractive example of a truss bridge composed of riveted angles in a beautiful setting.

X
Shawville Bridge
HSR

Shawville Highway (PA-970) Over West Branch Susquehanna River in Shawville: Clearfield County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 340 ft. Main Span: 163 ft. Roadway: 20 ft. Main Spans: 2

Built 1937 By: Bethlehem Steel Company of Bethlehem, Pennsylvania and Pennsylvania State Highway Department

A beautiful two-span truss bridge that went for 40 years without being painted thanks to improper maintainance.

X
Van Voorhis Bridge
HSR

Butsko Road (TR-581) Over Pigeon Creek in Rural: Washington County, Pennsylvania, United States

Metal 5 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 95 ft. Main Span: 91 ft. Roadway: 13.5 ft. Main Spans: 1

Built 1916 By: Unknown and Chaney and Armstrong

This bridge has been closed to traffic but would be easy to rehabilitate for continued vehicular use.

X
Rock School Bridge
HSR

Rock School Road (TR-346) Over Aunt Clara Fork Kings Creek in Rural: Washington County, Pennsylvania, United States

Metal 3 Panel Rivet-Connected Queenpost Pony Truss, Fixed

Length: 44 ft. Main Span: 40 ft. Roadway: 11.5 ft. Main Spans: 1

Built 1902 By: Nelson and Buchanan of Chambersburg, Pennsylvania

This quaint little Queenpost truss has been closed and its deck removed to serve as barricades.

X
Culmerville Bridge
HSR

Bakerstown Road Over Railroad (Bessemer and Lake Erie) in Culmerville Road: Allegheny County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Warren Deck Truss, Fixed

Length: 141 ft. Main Span: 135 ft. Roadway: 26.6 ft. Main Spans: 1

Built 1921 By: American Bridge Company of New York, New York and Bessemer and Lake Erie Railroad

An important historic product of the railroad, this bridge crosses the railroad at a suprising height.

X
Memorial Bridge
HSR

Main Street (PA-16) Over West Branch Little Antietam Creek in Waynesboro: Franklin County, Pennsylvania, United States

Concrete T-Beam, Fixed

Length: 76 ft. Main Span: 34 ft. Roadway: 24 ft. Main Spans: 2

Built 1926 By: Unknown and Pennsylvania State Highway Department

This is a unique t-beam that has an unusually high level of aesthetic details since it was built to also serve as a memorial.

X
Haynes Street Bridge
HSR

Haynes Street Over Stonycreek River in Johnstown: Cambria County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Length: 225 ft. Main Span: 109 ft. Roadway: 32.2 ft. Main Spans: 2

Built 1922 By: Farris Engineering (Bridge) Company of Pittsburgh, Pennsylvania

This concrete arch bridge retains excellent historic integrity.

X
West Middlesex Viaduct
HSR

Main Street (Hubbard Road, PA-318) Over Shenango River, Garfield Street, Abandoned Railroad in West Middlesex: Mercer County, Pennsylvania, United States

Metal 11 Panel Rivet-Connected Pratt Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 718 ft. Main Span: 202 ft. Roadway: 26.2 ft. Main Spans: 1

Built 1941 By: Bethlehem Steel Company of Bethlehem, Pennsylvania and Pennsylvania State Highway Department

The only example of a highway deck truss in Mercer County.

X
PA-14 Lycoming Creek Bridge
HSR

PA-14 Over Lycoming Creek in Rural: Lycoming County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Baltimore Through Truss, Fixed

Length: 140 ft. Main Span: 133 ft. Roadway: 24 ft. Main Spans: 1

Built 1930 By: Unknown and Pennsylvania State Highway Department

This skewed bridge is one of a very small number of state design through truss bridges to use a Baltimore truss configuration.

X
Frazier Street Footbridge
HSR

Frazier Street (Pedestrian Walkway) Over Railroad (Norfolk Southern) in Braddock: Allegheny County, Pennsylvania, United States

Metal Rivet-Connected Double-Intersection Warren Bedstead Pony Truss, Fixed

Main Spans: 1

Built By: Unknown

This was a small scale and lightweight riveted pedestrian footbridge, noted for its bedstead design.

X
Knox Road Bridge
HSR

Knox Road (TR-402) Over Cowanesque River in Rural: , United States

Metal 5 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed

Length: 175 ft. Main Span: 85 ft. Roadway: 16 ft. Main Spans: 2

Built 1917 By: Phoenix Bridge Company of Phoenixville, Pennsylvania

This bridge was built by a notable bridge builder and also had an attractive abutment railing design.

X
6th Street Bridge
HSR

6th Street (PA-403, Penn Street) Over Two Lick Creek in Clymer: Indiana County, Pennsylvania, United States

Metal 9 Panel Rivet-Connected Parker Pony Truss, Fixed

Length: 122 ft. Main Span: 118 ft. Roadway: 32.2 ft. Main Spans: 1

Built 1934 By: M. Bennett and Sons and Pennsylvania State Highway Department

The only bridge with historic value in Clymer, this attractive bridge was sentenced to the scrapyard.

X
Ardmore Boulevard Bridge
HSR

US-30 (Ardmore Boulevard, Historic Lincoln Highway) Over PA-2112, Electric Avenue in Chalfant: Allegheny County, Pennsylvania, United States

Metal Deck Girder, Fixed

Length: 410 ft. Main Span: 62 ft. Roadway: 30 ft. Main Spans: 9

Built 1932 By: Unknown and Pennsylvania State Highway Department

This was an unusual deck plate girder bridge with a heavy skew and built-up bents that were specially designed to accomodate the location.

X
Concord Church Road Bridge
HSR

Concord Church Road, Herman Road (PA-588) Over Brush Creek in Rural: Beaver County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 78 ft. Main Span: 75 ft. Roadway: 18 ft. Main Spans: 1

Built 1929 By: Unknown

A Warren pony truss added interest to an otherwise average roadway and insignificant stream crossing.

X
Conneauttee Road Bridge
HSR

Conneauttee Road (TR-349) Over Little Conneauttee Creek in Rural: Erie County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 55 ft. Main Span: 54 ft. Roadway: 15.7 ft. Main Spans: 1

Built 1914 By: Unknown

This little Warren pony truss was closed to traffic and slowly collapsing in one corner, but could have been preserved.

X
Donaldson Bridge
HSR

Creek Road (TR-500, Kramer Road) Over Raccoon Creek in Rural: Washington County, Pennsylvania, United States

Metal 5 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed

Length: 83 ft. Main Span: 83 ft. Roadway: 14 ft. Main Spans: 1

Built 1901 By: Nelson and Buchanan of Chambersburg, Pennsylvania

A very scenic Pratt pony truss with riveted connections, on a slight skew.

X
Doughertys Mills Bridge
HSR

Centreville Pike (PA-173) Over Slippery Rock Creek in Doughertys Mills: Butler County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Length: 140 ft. Main Span: 70 ft. Roadway: 27.6 ft. Main Spans: 2

Built 1929 By: Woods and Golden and Pennsylvania State Highway Department

Even without original railings, this bridge still was an attractive part of a scenic location adjacent to a park.

X
Links Bridge
HSR

Hookstown Grade Road Over Raccoon Creek in Rural: Beaver County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 138 ft. Main Span: 134 ft. Roadway: 18 ft. Main Spans: 1

Built 1939 By: Unknown

This attractive, traditional riveted through truss is about to be demolished!

X
McClures Gap Road Bridge
HSR

McClures Gap Road (PA-4027) Over I-76 (Pennsylvania Turnpike) in Rural: Cumberland County, Pennsylvania, United States

Concrete Rigid-Frame, Fixed

Length: 87 ft. Main Span: 78 ft. Roadway: 22 ft. Main Spans: 1

Built 1939 By: Unknown and Pennsylvania Turnpike Commission

An excellent representative example of an original Pennsylvania turnpike overpass, demolished April 22, 2012.

X
Ostend Bridge
HSR

Bethlehem Hill Road (PA-3001) Over Chest Creek in Ostend (Mahaffey): Clearfield County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Parker Through Truss, Fixed

Length: 158 ft. Main Span: 153 ft. Roadway: 23 ft. Main Spans: 1

Built 1939 By: Bethlehem Steel Company of Bethlehem, Pennsylvania and Pennsylvania State Highway Department

A very photogenic Parker truss example of a standard plan truss bridge Pennsylvania.

X
Pail Factory Bridge
Pine Valley Road Bridge, County Bridge Number 32
HSR

Pine Valley Road (TR-545) Over Sugar Creek in Rural: Bradford County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 125 ft. Main Span: 123 ft. Roadway: 12 ft. Main Spans: 1

Built 1916 By: Whitaker and Diehl of Harrisburg, Pennsylvania

This website managed to document this bridge two days before Pennsylvania destroyed this scenic bridge forever.

X
Perry Highway Bridge
Iron Bridge
HSR

Perry Highway (US-19) Over Neshannock Creek in Rural: Mercer County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 133 ft. Main Span: 128 ft. Roadway: 23 ft. Main Spans: 1

Built 1928 By: Unknown

This bridge was significantly altered when its sway bracing was changed and moved outside of the bridge.

X
Pollock's Bridge
HSR

US-6 Over French Creek in Rural: Erie County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Concrete T-Beam, Fixed

Length: 180 ft. Main Span: 150 ft. Roadway: 19.4 ft. Main Spans: 1

Built 1928 By: H. T. Osburn and Company and Pennsylvania State Highway Department

This gorgeous bridge, which served faithfully for 3/4 of a century, deserved so much more than the wrecking ball that PennDOT gave it.

X
Price Road Bridge
HSR

Price Road (PA-1043) Over Woodcock Creek in Rural: Crawford County, Pennsylvania, United States

Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 86 ft. Main Span: 83 ft. Roadway: 14.4 ft. Main Spans: 1

Built 1896 By: Youngstown Bridge Company of Youngstown, Ohio

This bridge was in bad shape, but still could have been economically rehabilitated, but instead its historic significance was not recognized.

X
Wipper Will Road Bridge
HSR

Wipper Will Road (TR-334) Over Little Sandy Creek in Rural: Venango County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Double-Intersection Warren Pony Truss, Fixed

Length: 46 ft. Main Span: 46 ft. Roadway: 14 ft. Main Spans: 1

Built 1904 By: Rochester Bridge and Construction Company of Rochester, New York

A small pony truss with riveted connections had faithfully served this rural road for over a century.

X
Pennsylvania Avenue Bridge
HSR

Pennsylvania Avenue (PA-51) Over Railroad (CSX) in Monaca: Beaver County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 184 ft. Main Span: 180 ft. Roadway: 34 ft. Main Spans: 1

Built 1938 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department

This beauty of this bridge and its noteworthy heavy skew were not enough to save it from being reduced to scrap.

X
Hooversville Bridge
HSR

Railroad Street (PA-4021) Over Stonycreek River in Hooversville: Somerset County, Pennsylvania, United States

Metal (Concrete Encased) Through Girder, Fixed

Length: 166 ft. Main Span: 80 ft. Roadway: 17.4 ft. Main Spans: 2

Built 1914 By: Farris Engineering (Bridge) Company of Pittsburgh, Pennsylvania

This is an impressive example of an uncommon design, a concrete-encased plate girder!

X
Luthers Mills US-6 Bridge
HSR

US-6 (Roosevelt Highway) Over Sugar Creek in Near Luthers Mills: Bradford County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Polygonal Warren (No Verticals) Pony Truss, Fixed

Length: 117 ft. Main Span: 111 ft. Roadway: 24 ft. Main Spans: 1

Built 1925 By: Unknown

This standard plan bridge is attractive due to an arched shape as well as plentiful v-lacing and lattice.

X
Findlay Street Bridge
HSR

Findlay Street Over I-70 (Pennsylvania Turnpike) in New Baltimore: Somerset County, Pennsylvania, United States

Concrete Rigid-Frame, Fixed

Length: 87 ft. Main Span: 78 ft. Roadway: 20 ft. Main Spans: 1

Built 1939 By: Unknown

This original Pennsylvania turnpike overpass is a rare example of the rigid-frame built with a notable grade.

X
Chestnut Street Bridge
HSR

Chestnut Road Over Railroad (CSX) in Coraopolis: Allegheny County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Warren (No Verticals) Through Truss, Fixed and Approach Spans: Metal Through Girder, Fixed

Main Spans: 1

Built 1896 By: Unknown and Allegheny County Department of Public Works

A complete example of a riveted pedestrian footbridge, this historic structure is to be demolished.

X
Heth's Run Bridge
Haights Run Bridge
HSR

Butler Street (PA-8) Over Heth's Run (Haights Run) in Pittsburgh: Allegheny County, Pennsylvania, United States

Concrete Open Spandrel Deck Arch, Fixed

Length: 327 ft. Main Span: 255 ft. Roadway: 32.2 ft. Main Spans: 2

Built 1914 By: Cummings Structural Concrete Company of Pittsburgh, Pennsylvania (Robert A. Cummings) and T. J. Wilkerson of Beaver Falls, Pennsylvania

This arch bridge has been mostly buried in dirt!

X
Dunbar Bridge
Valleyview Road Bridge
HSR

Valleyview Road (TR-839) Over Raccoon Creek in Rural: Washington County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 59 ft. Main Span: 54 ft. Roadway: 10.2 ft. Main Spans: 1

Built 1905 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania

This is a skewed, bulky structure that retains excellent historic integrity.

X
Chewton Bridge
HSR

Wampum Road (PA-288) Over Railroad (CSX) in Chewton: Lawrence County, Pennsylvania, United States

Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 319 ft. Main Span: 153 ft. Roadway: 23.3 ft. Main Spans: 1

Built 1922 By: Unknown

An attractive variation on a standard plan bridge in the state, with a heavy skew.

X
Portersville Road Bridge
HSR

Portersville Road (PA-488) Over Slippery Rock Creek in Rural: Lawrence County, Pennsylvania, United States

Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 310 ft. Main Span: 155 ft. Roadway: 23.6 ft. Main Spans: 2

Built 1932 By: Unknown and Pennsylvania State Highway Department

This is a two-span Pratt through truss, and has been lucky to escape demolition so far.

X
Cochranton Bridge
HSR

PA-173 (Adams Street) Over French Creek in Cochranton: Crawford County, Pennsylvania, United States

Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed

Length: 315 ft. Main Span: 155 ft. Roadway: 22.6 ft. Main Spans: 2

Built 1930 By: Alex C. Bailey of Philipsburg, Pennsylvania and Pennsylvania State Highway Department

A two span through Parker truss forms a gateway into town.

X
Freedom Bridge
HSR

High Street (US-19 and PA-21) Over South Fork Tenmile Creek in Waynesburg: Greene County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Length: 174 ft. Main Span: 85 ft. Roadway: 29.2 ft. Main Spans: 2

Built 1928 By: E. B. and B. F. Lippincott

This attractive two-span arch bridge includes an unusual but beautiful concrete lattice railing.

X
Central Avenue Bridge
HSR

Central Avenue (PA-980) Over Chartiers Creek in Canonsburg: Washington County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Parker Pony Truss, Fixed

Length: 96 ft. Main Span: 93 ft. Roadway: 32.2 ft. Main Spans: 1

Built 1934 By: Unknown and Pennsylvania State Highway Department

An attractive Parker pony truss is an excellent gateway bridge for Canonsburg.

X
Frye Station Bridge
HSR

PA-481 Over Pigeon Creek in Frye: Washington County, Pennsylvania, United States

Metal 6 Panel Rivet-Connected Parker Pony Truss, Fixed

Length: 82 ft. Main Span: 80 ft. Roadway: 23 ft. Main Spans: 1

Built 1935 By: Unknown and Pennsylvania State Highway Department

A nice small-scale massive-membered Parker pony truss with riveted connections.

X
Garrison Road Bridge
County Bridge Number 37
HSR

Garrison Road (TR-751) Over Beckwith Creek in Rural: Bradford County, Pennsylvania, United States

Metal 5 Panel Rivet-Connected Warren (No Verticals) Pony Truss, Fixed

Length: 86 ft. Main Span: 83 ft. Roadway: 12.5 ft. Main Spans: 1

Built 1908 By: Unknown

A traditional early 1900s pony truss appears to be in decent condition.

X
Center Avenue Bridge
HSR

Center Avenue (PA-3025) Over Railroad (CSX) in Somerset: Somerset County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Warren Through Truss, Fixed

Length: 148 ft. Main Span: 143 ft. Roadway: 17.4 ft. Main Spans: 1

Built 1912 By: Unknown

This bridge will likely be demolished soon despite its aesthetic value.

X
Lynn Avenue Bridge
HSR

Lynn Avenue Over Railroad (Lehigh Valley Railroad) in Bethlehem: Northampton County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Parker Through Truss, Fixed

Length: 205 ft. Main Span: 200 ft. Roadway: 20 ft. Main Spans: 1

Built 1928 By: Unknown

This bridge is noted for its use of rolled beams and concrete encased floorbeams and bottom chord.

X
Anthony's Bridge
HSR

Anthony's Mill Road Over West Branch Perkiomen Creek in Rural: Berks County, Pennsylvania, United States

Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 85 ft. Main Span: 83 ft. Roadway: 18 ft. Main Spans: 1

Built 1902 By: William F. Remppis Company of Reading, Pennsylvania and Dreibelbis and Company

Preservationists were attempting to save this attractive truss bridge from demolition, but ultimately the bridge was removed.

X
Seward Viaduct
Seward Railroad Overpass Bridge
HSR

PA-56 and PA-711 Over Railroad (Norfolk Southern) in Seward: Westmoreland County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Polygonal Warren (No Verticals) Pony Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 417 ft. Main Span: 109 ft. Roadway: 24 ft. Main Spans: 1

Built 1930 By: American Bridge Company of New York, New York

A good example of a 1930s pony truss in Pennsylvania.

X
McDowell Bridge
HSR

McDowell Lane (TR-717) Over Chartiers Creek in Canonsburg and McMurray: Washington County, Pennsylvania, United States

Concrete Continuous Through Girder, Fixed

Length: 143 ft. Main Span: 60 ft. Roadway: 19.7 ft. Main Spans: 3

Built 1943 By: Unknown

This is a rare example of a concrete through girder in western Pennsylvania.

X
Pittsfield Bridge
HSR

PA-27 (Main Street) Over Little Brokenstraw Creek in Pittsfield: Warren County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 118 ft. Main Span: 112 ft. Roadway: 22.6 ft. Main Spans: 1

Built 1917 By: Unknown and Pennsylvania State Highway Department

This was a very early surviving example of a state design through truss bridge at the time it was demolished and replaced.

X
Gravel Run Road Railroad Overpass
Cussewago Street Railroad Overpass
HSR

Gravel Run Road, Cussewago Street (PA-1002) Over Railroad (Conrail) in Rural: Crawford County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 100 ft. Main Span: 38 ft. Roadway: 23.6 ft. Main Spans: 3

Built 1906 By: Unknown

This riveted three span plate girder, barely a through girder with the girders only slightly above deck level, was demolished and the road abandoned.

X
4th Street Bridge
HSR

4th Street Over Allegheny River in Coudersport: Potter County, Pennsylvania, United States

Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 62 ft. Main Span: 60 ft. Roadway: 12 ft. Main Spans: 1

Built 1910 By: Unknown

A King Bridge Company through truss was relocated from 7th Street to 4th Street where it replaced this less significant pony truss.

X
Millsboro Bridge
HSR

PA-88 Over 10 Mile Creek in Millsboro: Washington County, Pennsylvania and Greene County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed

Length: 313 ft. Main Span: 152 ft. Roadway: 30 ft. Main Spans: 2

Built 1932 By: Unknown and Pennsylvania State Highway Department

A beautiful two-span massive-membered through truss got demolished by PennDOT.

X
West Park Bridge
HSR

Abandoned Path Over Railroad (Norfolk Southern) in Pittsburgh: Allegheny County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Main Spans: 1

Built By: Unknown

This bridge has been abandoned and its deck has fallen apart.

X
High Street Bridge
HSR

High Street (Ridge Pike, PA-4031) Over Manatawny Creek in Pottstown: Montgomery County, Pennsylvania, United States

Metal Deck Girder, Fixed

Length: 212 ft. Main Span: 45 ft. Roadway: 47.2 ft. Main Spans: 3

Built 1908 By: Unknown

This is an early, wide, and unaltered example of a deck plate girder with lattice railings.

X
Waltz Mill Bridge
HSR

Waltz Mill Road (PA-3037) Over Sewickley Creek in Waltz Mill: Westmoreland County, Pennsylvania, United States

Metal Stringer (Multi-Beam), Fixed

Length: 93 ft. Main Span: 45 ft. Roadway: 20 ft. Main Spans: 2

Built 1925 By: Unknown

This bridge had a beautiful brick deck and balustrade railings, and was an early example of its type.

X
Church Street Bridge
HSR

Church Street (PA-2037) Over Railroad (CSX) in Garrett: Somerset County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 166 ft. Main Span: 78 ft. Roadway: 15.7 ft. Main Spans: 2

Built 1919 By: Unknown

An excellent example of a Pennsylvaia highway plate girder with an attractive brick deck.

X
Homewood Railroad Overpass
HSR

Railroad (Conrail) Over I-76 (Pennsylvania Turnpike) in Homewood: Beaver County, Pennsylvania, United States

Metal 8 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed

Main Span: 135 ft.

Built By: Unknown

This riveted pony truss with a heavy skew is an unexpected suprise on the Pennsylvania Turnpike.

X
PA-910 Pennsylvania Turnpike Bridge
HSR

Gibsonia Road (PA-910) Over I-76 (Pennsylvania Turnpike) in Rural: Allegheny County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 187 ft. Main Span: 180 ft. Roadway: 28 ft. Main Spans: 1

Built 1952 By: Unknown and Pennsylvania Turnpike Commission

With a skew and a steep grade, this bridge is a particularly unique representative example of a 1950s Pennsylvania Turnpike overpass.

X
PA-917 Bridge
Pittsburgh Road Bridge
HSR

PA-917 (Pittsburgh Road) Over I-70 in Near Bentleyville: Washington County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 85 ft. Main Span: 80 ft. Roadway: 28 ft. Main Spans: 1

Built 1949 By: Unknown

With its attractive arched plate girder structure, this old overpass is unique among expressway overpasses on I-70.

X
Country Ridge Road Bridge
HSR

Country Ridge Road (TR-494) Over I-76 (Pennsylvania Turnpike) in Rural: Bedford County, Pennsylvania, United States

Concrete Rigid-Frame, Fixed

Length: 89 ft. Main Span: 79 ft. Roadway: 20.3 ft. Main Spans: 1

Built 1939 By: Unknown

This is an example of an original overpass on this section of the historic Pennsylvania turnpike.

X
Overland Street Bridge
HSR

Overland Street Over Railroad (Norfolk Southern) in Braddock and North Braddock: , United States

Metal Through Girder, Fixed

Length: 75 ft. Main Span: 73 ft. Roadway: 24 ft. Main Spans: 1

Built 1913 By: Unknown

This classic and largely unaltered plate girder overpass was demolished!

X
Toad Hollow Road Bridge
HSR

Toad Hollow Road (TR-300) Over Oswayo Creek in Oswayo: Potter County, Pennsylvania, United States

Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 31 ft. Main Span: 29 ft. Roadway: 15.7 ft. Main Spans: 1

Built 1910 By: Groton Bridge Company of Groton, New York

This tiny pony truss was altered by addition of steel beams that carry the load, making the trusses decorative, which also have lost their diagonal members.

X
Blake's Bridge
HSR

Main Street (PA-36) Over North Fork Creek in Brookville: Jefferson County, Pennsylvania, United States

Metal (Concrete Encased) Continuous Stringer (Multi-Beam), Fixed

Length: 110 ft. Main Span: 49 ft. Roadway: 24.3 ft. Main Spans: 2

Built 1926 By: Farris Engineering (Bridge) Company of Pittsburgh, Pennsylvania and G. A. Flink

This concrete encased steel stringer had unusual but attractive railings that were different on each side.

X
Chestnut Street Bridge
HSR

Chestnut Street Over Railroad (Norfolk Southern) in Downingtown: Chester County, Pennsylvania, United States

Metal Through Girder, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 212 ft. Main Span: 62 ft. Roadway: 24 ft. Main Spans: 3

Built 1927 By: Unknown

This is an intact and increasingly uncommon example of a multi-span highway over railroad plate girder bridge.

X
Highland Avenue Bridge
HSR

Highland Avenue Over Railroad (Norfolk Southern) and Busway in Pittsburgh: Allegheny County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 117 ft. Main Span: 76 ft. Roadway: 36 ft. Main Spans: 2

Built 1925 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania

This bridge has a very large through plate girder span and attractive railing.

X
Ohio River Boulevard Lowries Run Bridge
HSR

Ohio River Boulevard (PA-65) Over Lowries Run in Emsworth: Allegheny County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 80 ft. Main Span: 76 ft. Roadway: 40 ft. Main Spans: 1

Built 1930 By: Booth and Flinn Company of Pittsburgh, Pennsylvania and Allegheny County Department of Public Works

This plate girder retained original railings and was located at the historic end of the Ohio River Blvd.

X
Ord Street Bridge
HSR

Ord Street (PA-669) Over Casselman River in Salisbury: Somerset County, Pennsylvania, United States

Concrete T-Beam, Fixed

Length: 125 ft. Main Span: 40 ft. Roadway: 18 ft. Main Spans: 3

Built 1922 By: Trimpey and Whipkey

An attractive and representative example of a Pennsylvania t-beam bridge, in a potential historic district.

X
Pickering Road Bridge
HSR

Pickering Road Over Pickering Creek in Rural: Chester County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 62 ft. Main Span: 62 ft. Roadway: 14.8 ft. Main Spans: 1

Built 1931 By: American Bridge Company of New York, New York

This traditional highway plate girder bridge has been closed to traffic.

X
Salford Station Road Bridge
HSR

Salford Station Road (PA-1024) Over Perkiomen Creek in Rural: Montgomery County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 270 ft. Main Span: 89 ft. Roadway: 19.7 ft. Main Spans: 3

Built 1933 By: Phoenix Bridge Company of Phoenixville, Pennsylvania

This classic plate girder is sentenced to the dumpster so an ugly modern bridge can replace it.

X
Husband Road Bridge
HSR

Husband Road (PA-4009) Over I-70 (Pennsylvania Turnpike) in Rural: Somerset County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 148 ft. Main Span: 71 ft. Roadway: 20 ft. Main Spans: 2

Built 1939 By: Unknown

This is a heavilly skewed, multi-span plate girder overpass, from the original Turnpike construction.

X
Sugars Bridge
HSR

Downingtown Pike (US-322) Over East Branch Brandywine Creek in Rural: Chester County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 142 ft. Main Span: 69 ft. Roadway: 23.3 ft. Main Spans: 2

Built 1929 By: Unknown and Pennsylvania State Highway Department

This is a good example of a highway department plate girder bridge.

X
Locust Street Bridge
HSR

Locust Street (PA-403) Over Railroad (Norfolk Southern) in Johnstown: Cambria County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 120 ft. Main Span: 57 ft. Roadway: 31.5 ft. Main Spans: 2

Built 1928 By: Bethlehem Steel Company of Bethlehem, Pennsylvania

This is a traditionally composed example of a riveted highway through plate girder.

X
PA-281 / US-30 Overpass
HSR

PA-281 Over US-30 in Stoystown: Somerset County, Pennsylvania, United States

Concrete Rigid-Frame, Fixed

Length: 54 ft. Main Span: 50 ft. Roadway: 24 ft. Main Spans: 1

Built 1938 By: Roberts Paving Company

This bridge retains excellent historic integrity and thus is a good representation of its type.

X
Koppel Viaduct
Ellwood - Koppel Bridge
HSR

PA-351 Over Beaver River in Koppel: Beaver County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 1,206 ft. Main Span: 221 ft. Roadway: 24 ft. Main Spans: 7

Built 1915 By: Unknown

This is an uncommon example of a simple span large deck truss, and this bridge has a few unusual details as well.

X
Irishtown Road Bridge
HSR

Irishtown Road (PA-2005) Over Railroad (Bessemer and Lake Erie) in Rural: Mercer County, Pennsylvania, United States

Metal Through Girder, Fixed and Approach Spans: Concrete T-Beam, Fixed

Length: 162 ft. Main Span: 64 ft. Roadway: 24.3 ft. Main Spans: 1

Built 1928 By: Unknown

This bridge is an interesting example of a bridge that has both t-beam and girder spans with integrity.

X
Saxonburg Boulevard Bridge
HSR

Saxonburg Boulevard (PA-1013) Over I-76 (Pennsylvania Turnpike) in Rural: Allegheny County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 122 ft. Main Span: 116 ft. Roadway: 38.4 ft. Main Spans: 1

Built 1952 By: Unknown and Pennsylvania Turnpike Commission

Built with a substantial grade, this bridge is a representative example of an original overpass on this section of the turnpike.

X
Eckman Road Bridge
HSR

Eckman Road Over Mill Creek in Rural: Lancaster County, Pennsylvania, United States

Metal 10 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 104 ft. Main Span: 102 ft. Roadway: 20 ft. Main Spans: 1

Built 1935 By: Unknown and H. W. Crawford

This 1930s pony truss is not built to a state standard plan, which is somewhat unusual in Pennsylvania.

X
Willpenn Road Bridge
HSR

Willpenn Road (PA-1017) Over Mill Creek in Rural: , United States

Metal (Concrete Encased) Stringer (Multi-Beam), Fixed

Length: 56 ft. Main Span: 52 ft. Roadway: 24 ft. Main Spans: 1

Built 1928 By: Unknown

This bridge was unusual as a concrete encased stringer and it had a brick deck as well.

X
Oscar Bridge
HSR

Rose Valley - Slabtown Road (PA-1028) Over South Fork Pine Creek in Oscar (Rural): Armstrong County, Pennsylvania, United States

Metal Stringer (Multi-Beam), Fixed

Length: 67 ft. Main Span: 63 ft. Roadway: 26.2 ft. Main Spans: 1

Built 1940 By: Minns Brothers

This bridge showcases a historic standard plan stringer design in Pennsylvania.

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Center Avenue Bridge
HSR

Center Avenue (PA-601) Over I-70 (Pennsylvania Turnpike) in Somerset: Somerset County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 135 ft. Main Span: 132 ft. Roadway: 46 ft. Main Spans: 1

Built 1939 By: Unknown

This is a representative example of an original Turnpike plate girder overpass.

X
Brandywine Avenue Bridge
HSR

Brandywine Avenue (Downingtown Pike, US-322) Over East Branch Brandywine Creek in Downingtown: Chester County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 216 ft. Main Span: 72 ft. Roadway: 23 ft. Main Spans: 3

Built 1929 By: Unknown and Pennsylvania State Highway Department

Ths bridge is a good multi-span skewed example of a highway plate girder.

X
Peters Road Bridge
HSR

Peters Road (TR-703) Over Railroad (Western New York and Pennsylvania) in Rural: Crawford County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 97 ft. Main Span: 40 ft. Roadway: 23.6 ft. Main Spans: 3

Built 1910 By: Unknown

This bridge is an unaltered example of a standard plan railroad plate girder grade separation.

X
Herron Avenue Bridge
HSR

Herron Avenue Over Lowries Run in Emsworth: Allegheny County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 81 ft. Main Span: 77 ft. Roadway: 14.8 ft. Main Spans: 1

Built 1931 By: Unknown

A traditionally composed example of a highway plate girder bridge.

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State Street Bridge
HSR

State Street Over Indian Creek in Avondale: Chester County, Pennsylvania, United States

Metal (Concrete Encased) Stringer (Multi-Beam), Fixed

Length: 37 ft. Main Span: 35 ft. Roadway: 23 ft. Main Spans: 1

Built 1921 By: Unknown

This unusual concrete encased steel stringer bridge is noted for its lattice railing.

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PA-711 Mill Creek Bridge 2
HSR

PA-711 Over Mill Creek in Near Ligonier: Westmoreland County, Pennsylvania, United States

Metal Through Girder, Fixed

Length: 88 ft. Main Span: 86 ft. Roadway: 32.2 ft. Main Spans: 1

Built 1935 By: Unknown and Pennsylvania State Highway Department

This was a state standard highway plate girder with sidewalk and lattice railing.

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Marvin Street Bridge
HSR

Marvin Street (US-6) Over Marvin Creek in Smethport: McKean County, Pennsylvania, United States

Concrete T-Beam, Fixed

Length: 100 ft. Main Span: 31 ft. Roadway: 38.4 ft. Main Spans: 3

Built 1921 By: Unknown

This 1921 bridge was widened so it today displays the appearance of a 1946 bridge.

X
Dorlans Mill Bridge
HSR

Dorlans Mill Road (PA-4019) Over East Branch Brandywine Creek in Rural: Chester County, Pennsylvania, United States

Metal Stringer (Multi-Beam), Fixed

Length: 92 ft. Main Span: 45 ft. Roadway: 17.4 ft. Main Spans: 2

Built 1931 By: Unknown

This 1930s steel stringer bridge retains its original concrete railings.

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