Mackinac Bridge 30-minute nighttime closures Nov. 29-30 for backup power system upgrade

ST. IGNACE, Mich. ­- The Mackinac Bridge will close to traffic between 2:30 and 3 a.m. on Tuesday, Nov. 29, and Wednesday, Nov. 30, for replacement of the bridge’s backup power system.

The closures are necessary because the electrical work will also result in an outage of the bridge’s tolling system. The Mackinac Bridge Authority (MBA) selected these dates and times as they are the anticipated lowest traffic volumes for this time of year.

“Very few customers cross the bridge at this time of night, and we would encourage anyone who plans to cross during the overnight hours on these dates to modify their travel times to avoid these closures,” said Bridge Director Kim Nowack. “We don’t want to inconvenience anyone, but this is vital work to ensure we can keep all of our operations online during any future power outages.”

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