Mackinac Bridge Authority

Mackinac Bridge Authority Robert Sweeney Administrator 333 I-75
St. Ignace, MI 49781
United States

Locate (906)643-7600

The Mackinac Bridge Authority is committed to preserve and maintain the State of Michigan’s single largest asset and one of the world’s leading suspension bridges to provide safe, pleasurable and expedient passage over the Straits of Mackinac for economic benefit and improved quality of life.

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