| Special Bridge Conditions Legend |
| ! | Confirmed demolition date within one year or an especially historic bridge that is threatened with demolition at any level. |
| X | The bridge has been confirmed demolished or collapsed. |
| S | The bridge has been dismantled or moved to an offsite location and is not currently available for public viewing. |
| L | Most or all of the original bridge material has been demolished and replaced, including historically significant elements, but some original parts of the bridge remain. |
| Note: This website cannot guarantee the current condition of any bridge on this website. Bridges lacking these icons should not necessarily be considered condition-free. |
| Bridge Name | HSR Rating | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | Construction Date / Builder or Contractor | Description | Thumbnail | ! |
Black Bridge
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 | Railroad (Maine Central) and Bridge Street Over Androscoggin River | Brunswick and Topsham: Cumberland County, Maine | Metal 12 Panel Rivet-Connected Modified Warren (Subdivided) Through Truss, Fixed and Approach Spans: Metal Through Girder, Fixed |
Total Length: 318 ft Roadway Width: 12.5 ft Main Spans: 2 |
1909 By: Pennsylvania Steel Company of Steelton, Pennsylvania | This unique railroad bridge has a second deck suspended under it for highway traffic. | 
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Brandywine Valley Viaduct
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 | Railroad (Norfolk Southern) Over East Branch Brandywine Creek, US-322, Bradford Avenue, and Old Trolley Road | Downingtown: Chester County, Pennsylvania | Metal 9 Panel Pin-Connected Pratt Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 1451 ft Main Span Length: 201 ft Main Spans: 1 |
1904 By: Pennsylvania Steel Company of Steelton, Pennsylvania | This very long viaduct is mostly deck plate girders, but has two truss spans, one rivet-connected and one pin-connected. | 
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C and NW Railroad Bridge
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 | Railroad (Union Pacific) Over Railroad (Union Pacific) | Milwaukee: Milwaukee County, Wisconsin | Metal Rivet-Connected Lattice (Quadruple Warren) Through Truss, Fixed | Main Spans: 1 | 1910 By: Pennsylvania Steel Company of Steelton, Pennsylvania | An impressive truss railroad overpass. | 
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Canal Street Railroad Bridge
Pennsylvania Railroad Bridge 458 |
| Railroad (Amtrak, Metra Heritage Corridor, and Metra SouthWest Service) Over South Branch Chicago River | Chicago: Cook County, Illinois | Metal 10 Panel Rivet-Connected Parker Through Truss, Movable: Vertical Lift |
Total Length: 387.8 ft Main Span Length: 272.8 ft Roadway Width: 19.5 ft Main Spans: 1 |
1915 By: Pennsylvania Steel Company of Steelton, Pennsylvania and Waddell and Harrington | The heaviest vertical lift span when built, with 195 foot high towers, this is the only vertical lift near downtown Chicago. | 
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Cleves Railroad Bridge
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| Railroad (Central Railroad of Indiana) Over Great Miami River | Cleves: Hamilton County, Ohio | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 6 | 1913 By: Pennsylvania Steel Company of Steelton, Pennsylvania | A very long six span railroad truss bridge is quite an impressive sight. | 
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International Railroad Bridge
Bascule Bridge Span |
 | Railroad (Wisconsin Central) Over St. Marys River and Associated Canal System | Sault Ste. Marie: Chippewa County, Michigan and Algoma District, Ontario | Metal Rivet-Connected Pennsylvania Through Truss, Movable: Bascule (Heel Trunnion) |
Total Length: 336 ft Main Span Length: 336 ft Roadway Width: 23 ft Main Spans: 1 |
1913 By: Pennsylvania Steel Company of Steelton, Pennsylvania and Strauss Bascule Bridge Company of Chicago, Illinois | Designed by Strauss Bascule Bridge Company, this is the bascule span portion of the magnificent, monumental International Railroad Bridge. | 
| X |
Ulster Bridge
Ulster - Sheshequin Bridge |
 | Bridge Street (PA-1022) Over Susquehanna River (North Branch) | Ulster: Bradford County, Pennsylvania | Metal 13 Panel Pin-Connected Parker Through Truss, Fixed and Approach Spans: Metal 10 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 2011.3 ft Main Span Length: 237 ft Roadway Width: 19.3 ft Main Spans: 4 |
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. | 
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Whirlpool Rapids Bridge
Lower Arch Bridge |
 | Whirlpool Bridge Over Niagara River | Niagara Falls: Niagara Region, Ontario and Niagara County, New York | Metal 16 Panel Two-Hinged Solid Ribbed Spandrel Braced Deck Arch, Fixed and Approach Spans: Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 789.7 ft Main Span Length: 550 ft Roadway Width: 26 ft Main Spans: 1 |
1897 By: Pennsylvania Steel Company of Steelton, Pennsylvania and Leffert L. Buck | A nationally significant monumental late 1800s deck arch bridge compliments the river valley quite well. | 
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Whitewater River Railroad Bridge
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 | Railroad (Central Railroad of Indiana) Over Whitewater River | Rural: Hamilton County, Ohio | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 3 | 1913 By: Pennsylvania Steel Company of Steelton, Pennsylvania | A good example of early 20th century railroad truss bridge construction, this is a three span bridge. | 
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Whitford High Line Bridge
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| Railroad (Abandoned Pennsylvania Railroad) Over Railroad (Amtrak) and Whitford Road | Exton: Chester County, Pennsylvania | Metal 11 Panel Pin-Connected Parker Through Truss, Fixed | Main Spans: 1 | 1905 By: Pennsylvania Steel Company of Steelton, Pennsylvania | This impressive bridge is a beautiful pin-connected Parker truss of substantial span length. | 
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