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

    The South Tower painting project is continuing to move along smoothly with Seaway nearly completing the stripping of paint on the first leg of the tower.

    It's back to school time! Remember that active work zones (and school buses navigating construction) require your attention. Keep students and road workers safe!

    #SafetyMatters #TZD #WorkZoneWednesday

    Remember, the @MackinacBridge will be closed to public traffic 6:30 a.m.-noon #LaborDay for the #MightyMacWalk19. Like last year, participants will have three options for the #AnnualBridgeWalk.

    Building on the success of the 2018 event, the 2019 Mackinac Bridge Annual


    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.