International Bridge, Sault Ste Marie, Ontario, Canada

Architect Steinman, Boyton, Gronquist & London
Date Built
1960 - 1962 - officially opened
Across the St. Mary River
joining the twin cities of Sault Ste Marie Michigan & Sault Ste Marie Ontario
The International bridge crosses the St. Mary River and two navigation canals at the point where Lake Superior flows into Lake Huron.  It is 2.76 miles long and carries a 28 foot wide roadway.  As the image above shows, the crossing involves a number of elements:

- a double arch span on the US Soo Locks (see below) ....

.... and a single arch spanning the Canadian Lock.

Close Window