Mackinac Bridge Authority

Spanning the Straits of Mackinac since 1957

Mackinac Bridge joint replacement work begins Sept. 6

Posted on August 24th, 2023
The Mackinac Bridge Authority (MBA) will invest nearly $5 million this fall to replace joints on the north viaduct span, with work scheduled to begin Wednesday, Sept. 6. The project includes replacing 11 relief joints and three sliding-plate expansion joints, which are connections in the bridge deck that allow fo… Read More

June Traffic Report

Posted on August 16th, 2023
Kim Nowack, Bridge Director of the MBA, reported today that 492,976 vehicles crossed the Mackinac Bridge during the month of June compared to 448,055 in 2022.
For the month of June, traffic was up 10.0% and fare revenue was up 7.4% compared to last year.
The Mackinac Bridge Authority has scheduled a substantial amoun… Read More

Still time to plan your walk: 2023 Mackinac Bridge Walk just a few weeks away

Posted on August 16th, 2023

Boo: The end of summer is quickly approaching. Yay: The 2023 Mackinac Bridge Walk on Labor Day, Sept. 4, is right around the corner. “The end of summer in northern Michigan is always bittersweet, but also means that Labor Day and the Mackinac Bridge Walk is upon us,” said Mackinac Bridge Authority (MBA) B… Read More

Small Grating Sale Update

Posted on August 2nd, 2023
  • Small grating available for sale only in our Administration Building, which is open 24/7 starting at 8 am on Wednesday, August 2.
  • Each piece is $20.00
  • Limit of 3 per customer
  • Grating is sold on a first come, first serve basis. No grating will be held for sale
  • Each customer must sign a Used Deck Grating Liability Disclaim
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