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About

Nearby Bridges: 1
Browse In Google Maps - Browse In OpenStreet Maps

Mackinac Bridge
Big Mac / Mighty Mac
HSR

Rough Distance: 0 Miles (0 Kilometers)

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

The longest bridge in the western hemisphere, and the most famous built structure in the state of Michigan.

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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