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Historic Bridges: Keystone Bridge Company of Pittsburgh, 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.


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: 14

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Aden Road (VA-646) Over Railroad (Norfolk Southern) in Rural: Prince William County, Virginia, United States
Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 78 ft. Main Span: 78 ft. Roadway: 16 ft. Main Spans: 1
Built 1882 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
Bergfeld Pond Bridge
Whitewater Drive Bridge
HSRNational HSR. Local HSR.
Click to visit page.
Pedestrian Walkway Over Bergfeld Pond in Dubuque: Dubuque County, Iowa, United States
Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 98 ft. Main Span: 94 ft. Roadway: 17.5 ft. Main Spans: 1
Built 1872 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
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Railroad (Abandoned Pioneer Valley Railroad) Over 3rd Level Canal Outlet in Holyoke: Hampden County, Massachusetts, United States
Metal 9 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 145 ft. Main Span: 140 ft. Main Spans: 1
Built 1878 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
Cloie Branch Bridge
Clay Hill Drive Bridge
HSRNational HSR. Local HSR.
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Pedestrian Walkway (Heritage Trail) Over Dry Land in Rural: Dubuque County, Iowa, United States
Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 95 ft. Main Span: 93 ft. Roadway: 16 ft. Main Spans: 1
Built 1872 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
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Fairground Street Over Railroad (Kansas City Southern Railroad) in Vicksburg: Warren County, Mississippi, United States
Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Wood Stringer (Multi-Beam), Fixed
Length: 512 ft. Main Span: 92 ft. Roadway: 15.7 ft. Main Spans: 2
Built 1868 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
Harlem Avenue Railroad Bridge
Santa Fe Railroad Bridge
HSRNational HSR. Local HSR.
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Railroad (Burlington Northern and Santa Fe, Former Atchison, Topeka and Santa Fe) Over Chicago Sanitary and Ship Canal in Forest View: Cook County, Illinois, United States
Metal Pin-Connected Pratt Through Truss, Movable: Swing (Center Pier)
Length: 373 ft. Main Span: 364 ft. Main Spans: 1
Built 1899 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
Illinois Central Sanitary and Ship Canal Bridge
Kedzie Avenue BNSF Railroad Bridge
HSRNational HSR. Local HSR.
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Railroad (Burlington Northern and Santa Fe, Former Atchison, Topeka and Santa Fe) Over Chicago Sanitary and Ship Canal in Chicago: Cook County, Illinois, United States
Metal Pin-Connected Pratt Through Truss, Movable: Swing (Center Pier)
Length: 328 ft. Main Span: 323 ft. Main Spans: 1
Built 1899 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
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Railroad (Burlington Northern and Santa Fe, Former Atchison, Topeka and Santa Fe) Over Chicago Sanitary and Ship Canal in Lemont: Cook County, Illinois, United States
Metal Pin-Connected Pratt Through Truss, Movable: Swing (Bobtail)
Length: 399 ft. Main Span: 260 ft. Main Spans: 1
Built 1898 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
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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
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Wilson Road (VA-653) Over Railroad (Norfolk Southern) in Rural: Nelson County, Virginia, United States
Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Wood Stringer (Multi-Beam), Fixed
Length: 138 ft. Main Span: 100 ft. Roadway: 12.5 ft. Main Spans: 1
Built 1882 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
Pine Creek Park Bridge
Mill Hill Road Bridge
HSRNational HSR. Local HSR.
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Pedestrian Walkway Over Pine Creek in Fairfield: Fairfield County, Connecticut, United States
Metal 9 Panel Pin-Connected Pratt Full-Slope Pony Truss, Fixed
Length: 54 ft. Main Span: 54 ft. Main Spans: 1
Built 1872 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
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Riverside Avenue Over Railroad (Metro-North) in Riverside: Fairfield County, Connecticut, United States
Metal 15 Panel Pin-Connected Whipple Through Truss, Fixed
Length: 171 ft. Main Span: 164 ft. Roadway: 20.7 ft. Main Spans: 1
Built 1871 By: Keystone Bridge Company of Pittsburgh, Pennsylvania
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Railroad (Stewartstown Railroad) Over Valley Road in Rural: York County, Pennsylvania, United States
Metal 10 Panel Pin-Connected Pratt Pony Truss, Fixed
Length: 108 ft. Main Span: 108 ft. Main Spans: 1
Built 1870 By: Keystone Bridge Company of Pittsburgh, Pennsylvania and Jacob Hays Linville
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Railroad (CSX) Over White River in Indianapolis: Marion County, Indiana, United States
Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 375 ft. Main Span: 125 ft. Main Spans: 3
Built 1886 By: Keystone Bridge Company of Pittsburgh, Pennsylvania

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