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

    Request for Proposal #MBA-2017-TBS002

    The Michigan Department of Transportation (MDOT) is seeking professional services for the project contained in the attached scope of services.


    Michigan Secretary of State offices help spread the word on Mackinac Bridge Walk Closure

    Renewing your driver license or getting new registration tags at a Michigan Secretary of State (SOS) branch this month? The Mackinac Bridge Authority (MBA) hopes you'll pick up some information about the annual bridge walk closure to public traffic as well

    Mackinac Bridge north tower to get a new paint job

               For the first time in its 60-year history, one of the Mackinac Bridge’s iconic ivory towers will be stripped down to bare metal and repainted.             

    Mackinac Bridge Authority celebrates 60th anniversary with set of commemorative posters

    In honor of the upcoming 60th anniversary of the Mackinac Bridge linking Michigan’s upper and lower peninsulas,


    MacPass Online Access

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