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
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