Mackinac bridge walk Big Mac Bridge Walk To Continue On Labor Day By Associated Press • Nov 20, 2017 Melissa Benmark / WKAR-MSU The annual Mackinac Bridge Walk will remain a Labor Day tradition. Thousands Walk Across Mackinac Bridge on Labor Day By Associated Press • Sep 5, 2017 Courtesy / WKAR Authorities say around 25,000 people took part in the annual Labor Day walk across the Mackinac Bridge during which all traffic was halted for the first time as a security precaution. What You Need To Know About Mackinac Bridge Walk By Brooke Allen • Sep 2, 2017 Stignace.com 60,000 people are expected to gather for the annual Labor Day walk across the Mackinac Bridge. There will be major security restrictions this year. Listen Listening... / 1:06 WKAR's Brooke Allen reports on the Mackinac Bridge walk and closures on Labor Day 2017.