Mich. Comp. Laws § 45.596

Sec. 16. (1) A county may take private property within its corporate boundaries that is necessary for a purpose within the scope of this act for the use or benefit of the public and may institute proceedings for that purpose. (2) Proceedings to take private property under subsection (1) shall be commenced under the uniform condemnation procedures act, Act No. 87 of the Public Acts of 1980, being sections 213.51 to 213.77 of the Michigan Compiled Laws, whenever the county, by resolution of its board of commissioners, determines that it is necessary to take certain private property for a designated public improvement and that the improvement is for the use or benefit of the public.