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.

Trek Mighty Mac

October 1, 2016
St. Ignace Visitor's Bureau

Number of Participants

Annual Bridge Walk : approximately 45,000
Antique Tractor Parade: 1326 Tractors


Rescued bald eagle to launch his reintroduction from the Mackinac Bridge

news First he was simply called "The Manistee Eagle," indicating the county where he was rescued. Now he's dubbed "Mighty Mac" in honor of the location where he'll be released back into the wild on Tuesday, Oct. 4.

The Mackinac Bridge Authority (MBA) is assisting in the release of bald eagle Mighty Mac … read more