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

    Deer Count

    2017 : 957 2018: 1288 % change:  35% updated 11/19 at 7:00 A.M.  

    Provide comment on the State, Enbridge agreement on Line 5

    MacPass Online Access

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

    September Traffic Report

    Robert J. Sweeney, Executive Secretary of the MBA,