Construction to detour traffic approaching Mackinac Bridge, heading for the U.P.

MACKINAW CITY, MI – Traffic just south of the Mackinac Bridge will be detoured due to bridge work from Tuesday to Thursday, July 26-28.

The Michigan Department of Transportation is working on a $12.3 million project on I-75 and US-23. Next week, crews will replace beams on the southbound US-23 bridge over I-75, which will close I-75 between exits 337 and 339 from 8 p.m. Tuesday, July 26, to 6 a.m. Thursday, July 28.

During this closure, northbound I-75 traffic will be detoured on Nicolet Street/exit 337 to Jamet Street/exit 339. Southbound traffic will be detoured on Jamet/exit 339, Louvigny Street, Central Avenue and Nicolet to exit 337.

I-75 detour for US-23 bridge construction
This map from the Michigan Department of Transportation shows road work and detours for a $12.3 million construction project just south of the Mackinac Bridge taking place during summer and fall 2022.Michigan Department of Transportation

Remaining work on the bridge will be done with single-lane closures on I-75.

As work continues, southbound drivers planning to stop in Mackinaw City or head east on US-23 toward Cheboygan will be directed to take exit 339 and follow a detour through October.

The overall project, which includes rebuilding and resurfacing US-23 from I-75 to east of South Huron Avenue and I-75 from Old M-108 to the Mackinac Bridge, is scheduled to be completed in mid-November. Much of the I-75 road work will require shoulder or single-lane closures with traffic shifts.

Details are available on the project website.

This story was prepared by the staff at EUP News or contributed from an outside source.

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