Michigan State Route 57 runs east-west across Southern Gratiot County. It goes from the Gratiot/Montcalm County Line, near Carson City, to the Gratiot/Saginaw County Line, northeat of Bannister. MI St Rt 57 passes through the following towns in Gratiot County. Middleton Pompeii Ashley MI St Rt 57 is not multi-plexed in Gratiot County. MI St Rt 57 intersects the following highways in Gratiot County. U.S. Rt. 127, near Pompeii.
