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.
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I-680 Southbound Over Carquinez Strait (Suisun Bay), Bayshore Road, and Railroad in Martinez and Benicia: Contra Costa County, California and Solano County, California, United States
Metal 10 Panel Bolt-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam),
Length: 6,215 ft.
Main Span: 528 ft.
Roadway: 60.7 ft.
Main Spans: 10
Built 1962
By: American Bridge Company of New York, New York
Railroad (Central of Georgia Railway) Over Chattahoochee River (Walter F George Lake) in Eufaula: Barbour County, Alabama and Quitman County, Georgia, United States
Metal 16 Panel Rivet-Connected Modified Warren (Subdivided) Through Truss, Fixed
PA-356 Over Allegheny River and Railroad (Norfolk Southern) in Freeport: Westmoreland County, Pennsylvania and Allegheny County, Pennsylvania, United States
Metal Continuous 16 Panel Bolt-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 2,444 ft.
Main Span: 452 ft.
Roadway: 53.8 ft.
Main Spans: 3
I-75 / TC-17B Over St. Marys River and Associated Canal System in Sault Ste. Marie: Chippewa County, Michigan and Algoma District, Ontario, Canada and United States
Metal Cantilever (Arch and Suspended Deck) Bolt-Connected Warren Through Truss, Fixed and Approach Spans: Metal 8 Panel Bolt-Connected Warren Deck Truss, Fixed
Length: 9,281 ft.
Main Span: 430 ft.
Roadway: 28 ft.
Main Spans: 7
Built 1962
By: Unknown
and Steinman, Boynton, Gronquist and London of New York, New York
KH-405 and I-190 Over Niagara River, Robert Moses Parkway, and Niagara Parkway in Queenston and Lewiston: Niagara Region, Ontario and Niagara County, New York, Canada and United States
Metal Hingeless Solid Ribbed Deck Arch, Fixed and Approach Spans: Metal Deck Girder, Fixed
Length: 1,600 ft.
Main Span: 1,000 ft.
Roadway: 48 ft.
Main Spans: 1
Built 1962
By: Bethlehem Steel Company of Bethlehem, Pennsylvania
and Waddell and Hardesty
Autoroute 10, Autoroute 15, and Autoroute 20 Over St. Lawrence River (Fleuve Saint-Laurent) in Montréal and Brossard: Montréal, Québec and Montérégie, Québec, Canada
Metal Cantilever Bolt-Connected Warren Through Truss, Fixed and Approach Spans: Metal Bolt-Connected Warren Deck Truss, Fixed
Length: 11,286 ft.
Main Span: 707 ft.
Roadway: 74 ft.
Main Spans: 3
Built 1962
By: Dominion Bridge Company of Montréal, Québec
and Philip Louis Pratley and Henry Hugh Lewis Pratley
Seaway International Bridge Road Over St. Lawrence River (Fleuve Saint-Laurent) North Channel and Canal in Cornwall: Stormont Dundas and Glengarry United Counties, Ontario, Canada
Metal Continuous (Arched) Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Warren Deck Truss, Fixed
Length: 5,350 ft.
Main Span: 414 ft.
Main Spans: 3
Built 1962
By: Canadian Bridge Company of Walkerville, Ontario
and Hugh Pratley of Montréal, Québec