BridgeSeek

Historic Bridges: Polygonal Warren (No Verticals)

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.

Results in this list will be limited to the first 200 results. Consider performing a more narrow search from the main BridgeSeek tool if your search here is showing 200 results.

Total Bridges Found: 7

Linfield Bridge
HSR

Linfield Road (Main Street, PA-1035) Over Schuylkill River in Linfield: Montgomery County, Pennsylvania and Chester County, Pennsylvania, United States

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

Length: 371 ft. Main Span: 123 ft. Roadway: 22.6 ft. Main Spans: 3

Built 1932 By: Unknown and Pennsylvania State Highway Department

This bridge stands out both as a multi-span pony truss and as a state standard polygonal Warren pony truss.

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.

Main Street Bridge
Bridge E-128
HSR

Main Street (NY-250) Over Erie Canal (New York State Barge Canal) in Fairport: Monroe County, New York, United States

Metal Rivet-Connected Polygonal Warren (No Verticals) Pony Truss, Movable: Vertical Lift

Length: 160 ft. Main Span: 139 ft. Roadway: 36.7 ft. Main Spans: 1

Built 1914 By: Lackawanna Bridge Company of Buffalo, New York and H.S. Kerbaugh Inc. of Philadelphia, Pennsylvania

One of the most bizarre and noteworthy of all the historic Erie Canal bridges.

North Presa Street Bridge
HSR

North Presa Street Over San Antonio River in San Antonio: Bexar County, Texas, United States

Metal 9 Panel Rivet-Connected Polygonal Warren (No Verticals) Pony Truss, Fixed and Approach Spans: Metal Through Girder, Fixed

Length: 178 ft. Main Span: 96 ft. Roadway: 24 ft. Main Spans: 1

Built 1925 By: Houston Structural Steel Company of Houston, Texas and McKenzie Construction Company and Terrell Bartlett Engineers of San Antonio, Texas

This truly unique bridge is noted for its extreme skew, which includes a bizarre half approach span, and is also noted for the lack of truss vertical members.

Parker Street Bridge
Bridge E-127
HSR

Parker Street Over Erie Canal (New York State Barge Canal) in Fairport: Monroe County, New York, United States

Metal 6 Panel Rivet-Connected Polygonal Warren (No Verticals) Pony Truss, Fixed and Approach Spans: Concrete Slab, Fixed

Length: 121 ft. Main Span: 100 ft. Roadway: 16.4 ft. Main Spans: 1

Built 1912 By: Lackawanna Bridge Company of Buffalo, New York

An unusual variation of the early 20th Century fixed Erie Canal bridges.

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.

Shelocta Bridge
HSR

PA-56 Over Crooked Creek in Shelocta: Indiana County, Pennsylvania, United States

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

Length: 119 ft. Main Span: 111 ft. Roadway: 22.3 ft. Main Spans: 1

Built 1929 By: American Bridge Company of New York, New York and Pennsylvania State Highway Department

Today the oldest highway truss in the county, this bridge is a rare example of a standard plan polygonal Warren pony truss in Pennsylvania.

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