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Historic Bridges: St. Marys River and Associated Canal System

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: 2

International Bridge
Sault Ste. Marie International Bridge
HSRNational HSR. Local HSR.
Click to visit page.
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: Bethlehem Steel Company of Bethlehem, Pennsylvania and Raff and Dexter of Lansing, Michigan and Steinman, Boynton, Gronquist and London of New York, New York
This is the monumental 2 3/4 Mile long highway bridge in Sault Ste Marie.
International Railroad Bridge
Sault Ste. Marie International Railway Bridge
HSRNational HSR. Local HSR.
Click to visit page.
Railroad (Wisconsin Central) Over St. Marys River and Associated Canal System in Sault Ste. Marie: Chippewa County, Michigan and Algoma District, Ontario, Canada and United States
Metal 8 Panel Pin-Connected Camelback Through Truss, Fixed and Approach Spans: Metal 12 Panel Rivet-Connected Pennsylvania Through Truss, Movable: Double Leaf Bascule (Heel Trunnion)
Length: 5,580 ft. Main Span: 369 ft. Roadway: 21 ft. Main Spans: 9
Built 1887 By: Dominion Bridge Company of Montréal, Québec and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
Highlights of this complex of bridge spans include an 1895 swing span, Camelback trusses from 1887, a rare design of bascule from 1913, and a 1960 vertical lift span.

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