Mackinac Bridge Authority

Spanning the Straits of Mackinac since 1957

Gov. Whitmer appoints Amy Trahey to the Mackinac Bridge Authority

Posted on September 19th, 2019
Amy L. Trahey, a Democrat of Grand Ledge, is the founder and president of the civil engineering consulting firm Great Lakes Engineering Group. She previously worked for the Michigan Department of Transportation. She earned her Bachelor of Science in Civil Engineering from Michigan Technological University. Ms… Read More

30,000 walk the Mighty Mac on Labor Day

Posted on September 2nd, 2019
For the first time in three years, crowds at the Annual Mackinac Bridge Walk grew, with an estimated 30,000 people shrugging off blustery weather to walk the Mighty Mac this Labor Day. This was the third year that the bridge was closed to public traffic during the walk, and the second year of the event starting from both… Read More