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

    Fog warning on the #MackinacBridge. Reduce speed to 20mph max, turn on low-beam headlights and drive with caution. MBA monitoring conditions at various points along bridge. Additional steps will be implemented if conditions change.

    A unique view from the North Tower facing St. Ignace, of the maintenance being completed yesterday on the @MackinacBridge. The maintenance crew was performing general upkeep on the dampener cables. See if you can spot them!

    The sunrise from Mackinaw City provided a beautiful view of the @MackinacBridge this morning. Safe travels to everyone on this Tuesday!

    Check here for Annual Bridge Walk Information!


    Mackinac Bridge auctioning off more deck grating

    Visit to see recent items being auctioned off!

    Find information here for MBA Board Meetings taking place on Mackinac Island on July 9 and 10. Agendas will be posted soon.


    Kim Nowack, Interim Executive Secretary of the MBA


    3To 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.