I-75 overpass work at Cheeseman Road in St. Ignace restarts April 15

ST. IGNACE, Mich. ­- The Michigan Department of Transportation (MDOT) is investing about $9 million to rebuild overpasses, including deck replacement, bearing replacement, substructure repairs, beam end repairs, steel cleaning and coating, and approach work on I-75 at Cheeseman Road in the city of St. Ignace, Mackinac County. This is a two-year project, with work on northbound I-75 completed in 2025 and southbound I-75 occurring this year.

County:
Mackinac

Highway:
I-75

Closest community:
St. Ignace

Start date:
Wednesday, April 15, 2026

Estimated end date:
Friday, Nov. 6, 2026

Traffic restrictions:
Northbound and southbound I-75 traffic will be reduced to one lane, with southbound traffic crossed over to the northbound side using temporary crossovers. Two-way traffic will be maintained via temporary concrete barrier walls. A 12-foot lane width restriction will be in place during the project. The posted speed limit will be reduced to 60 mph; 45 mph where workers present.

Jobs numbers:
Based on economic modeling, this investment is expected to directly and indirectly support 76 jobs.

Safety benefit:
This project will increase safety for motorists and extend the lifespan of the roadway.