Suspension Bridges Crossing St. Lawrence River

This is a list of all 7 bridges from the suspension bridge inventory crossing St. Lawrence River. Please note that different rivers with the same name will be grouped together. For example, selecting 'Bear Creek' shows bridges across several different Bear Creeks. Also, similarly named rivers are grouped separately. For example, 'River Dee' (UK) bridges are grouped separately from 'Dee River' (Australia) bridges. Click the bridge name to isolate the bridge on its own page.

Related Lists:

Note: Completion year and longest suspended span length may not be known for all bridges listed below. Also, span lengths are sometimes estimated based on satellite imagery.
Year Completed Bridge Location Crossing - Feature Coordinates Longest Suspended Span (meters) Images
Year Completed Bridge Location Crossing - Feature Coordinates Longest Suspended Span (meters) Images
1935l'Île d'Orléans (Isle of Orleans, Orleans Island, Taschereau)Quebec City, Quebec, CanadaSt. Lawrence River46.880233 N 71.137883 W323Images
1938Thousand Islands International IWellesley Island and Collins Landing, New York, USASt. Lawrence River - American Channel44.30333 N 75.98333 W243.84Images
1938Thousand Islands International IIGeorgina Island and Selton, Ontario, CanadaSt. Lawrence River44.36323 N 75.98271 W228.6Images
1958Three Nations Crossing (Cornwall-Massena International, Seaway International)Cornwall, Ontario, Canada and Massena, New York, USASt. Lawrence River44.989962 N 74.739913 WImages
1960Ogdensburg-Prescott International (Seaway Skyway)Ogdensburg, New York, USA and Prescott, Ontario, CanadaSt. Lawrence River44.73 N 75.45667 W350.75Images
1970Pierre LaporteQuebec City and Levis, Quebec, CanadaSt. Lawrence River46.741717 N 71.288333 W667.5Images
BeauharnoisMelocheville, Quebec, CanadaSt. Lawrence River45.316050 N 73.908033 W

Do you have any information or photos for these bridges that you would like to share? Please email david.denenberg@bridgemeister.com.

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