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Historic Bridges: St. Lawrence River (Fleuve Saint-Laurent) South Channel

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: 3

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Barnhart Island Road Over St. Lawrence River (Fleuve Saint-Laurent) South Channel in Rural: St. Lawrence County, New York, United States
Metal Continuous Rivet-Connected Warren Through Truss, Fixed
Length: 1,074 ft. Main Span: 509 ft. Main Spans: 3
Built 1956 By: Unknown
Seaway International Bridge
South Channel Bridge
HSRNational HSR. Local HSR.
Click to visit page.
Seaway International Bridge Road Over St. Lawrence River (Fleuve Saint-Laurent) South Channel in Cornwall: St. Lawrence County, New York and Stormont Dundas and Glengarry United Counties, Ontario, Canada and United States
Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Deck Girder, Fixed
Length: 3,480 ft. Main Span: 895 ft. Roadway: 27 ft. Main Spans: 3
Built 1958 By: American Bridge Company of New York, New York
!
Thousand Islands Bridge
South Channel (American) Bridge
HSRNational HSR. Local HSR.
Click to visit page.
I-81 Over St. Lawrence River (Fleuve Saint-Laurent) South Channel in Rural: Jefferson County, New York, United States
Metal Plate Girder Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Deck Girder, Fixed
Length: 4,500 ft. Main Span: 800 ft. Roadway: 24 ft. Main Spans: 3
Built 1937 By: American Bridge Company of New York, New York and Robinson and Steinman

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