Welcome to the Mackinac Bridge Website!

Mission Statement: 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.

New Mackinac Bridge postage stamp to be unveiled Feb. 3

news In partnership with the United States Postal Service (USPS), the Mackinac Bridge Authority (MBA) and the Michigan Department of Transportation (MDOT) today announced a special ceremony to unveil a new Priority Mail stamp commemorating the iconic Mackinac Bridge. The ceremony begins at 11 a.m. on Feb. … read more