Mackinac Bridge Authority

Spanning the Straits of Mackinac since 1957

  • 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.




    News & Events

    42,000 miles of wire make up the main cables of the #MackinacBridge, and each cable holds 12,580 individual wires that are wrapped together. The images below, show the cables stored in a warehouse before and after they were reeled and then shipped to St. Ignace.


    We are excited to announce the appointment of Kim Nowack as the new Executive Secretary of the Mackinac Bridge!

    Only two months until the #MightyMacWalk19! Be ready with this helpful video outlining the different options for walking the #MackinacBridge on #LaborDay.

    The next event planned on the @mackinacbridge is nearly here! On July 20th, 2019 the Mustang Stampede is scheduled to take place. Mustangs from 1964 to 2019 will be on display and make their way across the bridge. For more information click the link below

    A look at the flag reel device in action yesterday on the @MackinacBridge. We are happy to report that it worked just as designed and hope everyone had a wonderful 4th of July!

    Citing her vast experience and familiarity with the Mighty Mac, the Mackinac Bridge Authority (MBA) board approved longtime


    Check here for Annual Bridge Walk Information!


    Kim Nowack, Interim Executive Secretary of the MBA


    To receive a text alert if the Mackinac Bridge goes into full or partial closure text MacBridge to 67283.


    MacPass Online Access

    Do you have an existing account and want online access?  Email to find out how.