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Historic Bridges: St. Lawrence County, New York

Special Bridge Conditions Legend
! 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.

Total Bridges Found: 2

Browse Bridges In Google Maps

Ogdensburg-Prescott Bridge
Seaway Skyway Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
NY-812 Over St. Lawrence River

Prescott and Ogdensburg: Leeds and Grenville United Counties, Ontario and St. Lawrence County, New York
Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal 10 Panel Rivet-Connected Warren Deck Truss, Fixed
Length: 7385.2 ft
Main Span: 1142.8 ft
Roadway: 26 ft
Main Spans: 3
Built 1960 By: American Bridge Company of New York, New York and Modjeski and Masters
Seaway International Bridge
South Channel Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Seaway International Bridge Road Over St. Lawrence River South Channel

Cornwall: St. Lawrence County, New York and Stormont Dundas and Glengarry United Counties, Ontario
Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Deck Girder, Fixed
Length: 3480.2 ft
Main Span: 894.7 ft
Roadway: 27 ft
Main Spans: 3
Built 1958 By: American Bridge Company of New York, New York

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