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M-66 culvert replacement starts next week in southern Mecosta County

CADILLAC, Mich. - The Michigan Department of Transportation (MDOT) is investing approximately $3 million to replace two aged culverts on M-66 between County Line Road and 2 Mile Road in southern Mecosta County.



Closest city:
Six Lakes

Start date:
Monday, July 10, 2023

Estimated end date:
October 2023

Traffic restrictions:
M-66 will be closed and detoured using N. County Line Road, Costabella Avenue (W. County Line Road) and M-20. Local traffic will be maintained at all times.

Jobs numbers:
Based on economic modeling, this investment is expected to directly and indirectly support about 36 jobs.

Safety benefit:
The new culverts have a higher capacity and will replace the original structures from the 1920s.

For up-to-date traffic information on this project and others throughout the state, go to

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