Mich. Comp. Laws § 280.2
Drains including branches may be located, established, constructed and maintained, and existing drains, creeks, rivers and watercourses and their branches, or tributaries whether located, established and constructed by a county drain commissioner or drainage board or by a city, village or township, may be cleaned out, straightened, widened, deepened, extended, consolidated, relocated, tiled, connected and relocated along a highway, or there may be provided for the same structures or mechanical devices that will properly purify or improve the flow of the drain or pumping equipment necessary to assist or relieve the flow of the drain, or 1 or more branches may be added thereto, by petition under the provisions of this act, whenever the same shall be conducive to the public health, convenience and welfare.
MCL 280.2