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Mackinac Bridge
Big Mac / Mighty Mac
HSRNational HSR. Local HSR.

Rough Distance: 0.1 Miles (0.1 Kilometers)

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I-75 Over Straits of Mackinac in Mackinaw City and St. Ignace: Emmet County, Michigan and Mackinac County, Michigan, United States
Metal 96 Panel Deck Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Continuous Bolt-Connected Warren Deck Truss, Fixed
Length: 19,249 ft. Main Span: 3,800 ft. Roadway: 48 ft. Main Spans: 3
Built 1957 By: American Bridge Company of New York, New York and David Steinman of New York, New York

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.





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