I-75 Lane Closures, Speed Reductions for Work in Michigan Starting April 29

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Michigan I-75 Traffic | I-75 Construction | I-75 Exit Guide

The Michigan Department of Transportation (MDOT) is investing about $5 million to repair two M-48 overpasses over I-75 in Chippewa County. Work includes deck overlays; deck, substructure and structural patching; railing replacement; expansion joint replacement; partial painting; beam end cutting; and approach work. This project includes two separate structures to be repaired in two stages. Stage one is the M-48 overpass over I-75 to the south connecting M-129 to Mackinac Trail. Stage two is the M-48 overpass over I-75 to the north near Rudyard. Work will require closing both structures with detours.

Start date:
Monday, April 29, 2024 (stage one)

Estimated end date:
Friday, October 18, 2024 (stage one)

Friday, August 29, 2025 (both overpasses complete)

Traffic restrictions (stage one):

  • I-75: Northbound and southbound I-75 will be reduced to one lane each, speed will be reduced to 45 mph where workers present, and a 12-foot width restriction will be in place.
  • M-48: Will be closed at I-75. Eastbound and westbound traffic will be detoured to M-129, Mackinac Trail, and M-80

This work will extend the service life of the existing overpasses to maintain safe roadways for all users.


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