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Historic Bridges: Armstrong County, Pennsylvania

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: 24

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Avonmore Bridge
HSRNational HSR. Local HSR.
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6th Street (PA-156) Over Kiskiminetas River in Avonmore: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania, United States
Metal 11 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal 5 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed
Length: 571 ft. Main Span: 218 ft. Roadway: 19 ft. Main Spans: 2
Built 1937 By: Unknown and Pennsylvania State Highway Department
This bridge is not like other 1930s truss bridges in the state... all truss parts are rolled beams.
Bear Creek Bridge
Knox Road Bridge
HSRNational HSR. Local HSR.
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Knox Road (TR-347, Donley Road, Jackson Avenue) Over South Branch Bear Creek in Rural: Armstrong County, Pennsylvania and Butler County, Pennsylvania, United States
Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed
Length: 83 ft. Main Span: 77 ft. Roadway: 17.7 ft. Main Spans: 1
Built 1913 By: Farris Engineering (Bridge) Company of Pittsburgh, Pennsylvania
A beautiful Warren pony truss in a hilly forest setting.
S
Beatty Mills Bridge
HSRNational HSR. Local HSR.
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Beatty Mill Road (TR-659) Over Buffalo Creek in Rural: Armstrong County, Pennsylvania, United States
Metal 8 Panel Threaded Rod-Nut Connected Bowstring Pony Truss, Fixed
Length: 86 ft. Main Span: 84 ft. Roadway: 14 ft. Main Spans: 1
Built By: Wrought Iron Bridge Company of Canton, Ohio
One of the rarest bridges in Pennsylvania, this bowstring truss is in storage and planned for reuse.
Buffalo and Pittsburgh Allegheny River Railroad Bridge
Templeton Bridge
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Railroad (Buffalo and Pittsburgh) Over Allegheny River in Rural: Armstrong County, Pennsylvania, United States
Metal 12 Panel Pin-Connected Pennsylvania Through Truss, Fixed and Approach Spans: Metal 9 Panel Pin-Connected Parker Through Truss, Fixed
Length: 1,112 ft. Main Span: 400 ft. Roadway: 13 ft. Main Spans: 1
Built 1911 By: American Bridge Company of New York, New York
This large, beautiful through truss bridge is located on a very rural and highly scenic portion of the Allegheny River.
X
Climax Bridge
HSRNational HSR. Local HSR.
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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!
Cogley Bridge
Pebble Road Bridge
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Pebble Road (TR-738) Over South Branch Bear Creek in Rural: Armstrong County, Pennsylvania, United States
Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed
Length: 54 ft. Main Span: 49 ft. Roadway: 13.5 ft. Main Spans: 1
Built 1910 By: Unknown
This pony truss features an attractive mix of lattice and v-lacing on its members.
X
East Brady Bridge
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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
Foxburg Bridge
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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.
Freeport Railroad Bridge
HSRNational HSR. Local HSR.
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Railroad (Norfolk Southern) Over Allegheny River in Freeport: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania, United States
Metal 18 Panel Pin-Connected Pennsylvania Through Truss, Fixed and Approach Spans: Metal Pin-Connected Parker Through Truss, Fixed
Length: 1,104 ft. Main Span: 440 ft. Roadway: 25 ft. Main Spans: 1
Built By: Unknown
This bridge is noted for its impressive Pennsylvania through truss main span.
X
Gastown Bridge
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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.
Jantz Road Bridge
Eddyville Bridge
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Jantz Road (TR-748, Lower Mudlick Road) Over Pine Run in Eddyville (Rural): Armstrong County, Pennsylvania, United States
Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 86 ft. Main Span: 82 ft. Roadway: 12.8 ft. Main Spans: 1
Built 1895 By: Nelson and Buchanan of Chambersburg, Pennsylvania
A picturesque example of work done by Nelson and Buchanan of Chambersburg, Pennsylvania.
Kiskiminetas Junction Railroad Bridge
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Railroad (Kiski Junction Railroad) Over Kiskiminetas River in Rural: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania, United States
Metal 9 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 710 ft. Main Span: 235 ft. Roadway: 11 ft. Main Spans: 3
Built 1899 By: A. & P. Roberts and Company of Pencoyd, Pennsylvania (Pencoyd Iron Works)
This multiple span pin-connected through truss makes a beautiful gateway at the mouth of the Kiskiminetas River.
Kittanning Bridge
Citizens Bridge
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Market Street (US-422 Business, PA-1038) Over Allegheny River in Kittanning: Armstrong County, Pennsylvania, United States
Metal 12 Panel Rivet-Connected Parker Through Truss, Fixed
Length: 949 ft. Main Span: 406 ft. Roadway: 30.5 ft. Main Spans: 3
Built 1932 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department
An impressive massive-membered Parker truss can be easily viewed from above.
Leechburg Bridge
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Third Street (PA-4093) Over Kiskiminetas River in Leechburg: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania, United States
Metal 11 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal Through Girder, Fixed
Length: 669 ft. Main Span: 340 ft. Roadway: 32.2 ft. Main Spans: 1
Built 1935 By: Unknown and Pennsylvania State Highway Department
The pleasingly complex geometry of this bridge forms a gateway into Leechburg.
Leechburg Bridge North
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Mill Bridge Road Over Kiskiminetas River in Leechburg: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania, United States
Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 704 ft. Main Span: 149 ft. Roadway: 21.7 ft. Main Spans: 4
Built 1938 By: Unknown and Pennsylvania State Highway Department
This skewed bridge offers striking views from beside the bridge.
Mahoning Creek Railroad Bridge Bridge
HSRNational HSR. Local HSR.
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Railroad (Armstrong Rail-Trail) Over Mahoning Creek in Rural: Armstrong County, Pennsylvania, United States
Metal Through Girder, Fixed
Length: 342 ft. Main Span: 114 ft. Main Spans: 3
Built By: Unknown
This plate girder bridge is noted for its massive girders and curved alignment and is situated alongside the Allegheny River.
Mosgrove Railroad Bridge
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Railroad (Buffalo, Rochester and Pittsburgh Railroad) Over Allegheny River and Various Roads in West Mosgrove: Armstrong County, Pennsylvania, United States
Metal 18 Panel Pin-Connected Baltimore Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed
Length: 1,680 ft. Main Span: 450 ft. Roadway: 16 ft. Main Spans: 4
Built 1899 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
This spectacular bridge features some of the longest pin-connected deck truss spans in the country.
X
Oscar Bridge
HSRNational HSR. Local HSR.
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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.
Parker Bridge
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PA-368 Over Allegheny River in Parker: Armstrong County, Pennsylvania and Clarion County, Pennsylvania, United States
Metal 12 Panel Rivet-Connected Parker Through Truss, Fixed
Length: 1,140 ft. Main Span: 390 ft. Roadway: 23 ft. Main Spans: 4
Built 1934 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department
Noted for an distinctive slope, this is a truss bridge with a Parker configuration appropriately located in a community named Parker!
X
Plum Creek Road Bridge
Johnston Bridge
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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.
!
Salina Bridge
HSRNational HSR. Local HSR.
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Bridge Street (Edmon Road, PA-1060) Over Kiskiminetas River in Salina: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania, United States
Metal 11 Panel Pin-Connected Parker Through Truss, Fixed
Length: 669 ft. Main Span: 220 ft. Roadway: 18.7 ft. Main Spans: 3
Built 1906 By: Unknown
A long, three span example of an uncommon type, this bridge is enjoyable to view and cross.
Sedwick Lane Bridge
HSRNational HSR. Local HSR.
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Sedwick Lane (Private Driveway) Over Cowanshannock Creek in Rural: Armstrong County, Pennsylvania, United States
Metal Threaded Rod-Nut Connected Bowstring Pony Truss, Fixed
Main Spans: 1
Built By: Wrought Iron Bridge Company of Canton, Ohio
Someone is lucky enough to have one of the rarest historic bridge types, an iron bowstring, as part of their driveway.
Vandergrift Bridge
Rudy Minarcin Bridge
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Third Street (Dime Road, Farragut Avenue, PA-56, and PA-66 Alt) Over Kiskiminetas River in Vandergrift: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania, United States
Metal 12 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 497 ft. Main Span: 310 ft. Roadway: 32.2 ft. Main Spans: 1
Built 1933 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department
This attractive bridge continures to welcome visitors into Vandergrift.
Yatesboro Bridge
HSRNational HSR. Local HSR.
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TR-654 Over Cowanshannock Creek in Yatesboro: Armstrong County, Pennsylvania, United States
Metal 5 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed
Main Spans: 1
Built By: Unknown
This long abandoned pony truss bridge has partially collapsed.

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