The roadway passes the Iron River County Club as the highway begins to parallel the Iron River. M-189 follows Selden Road north through the southside of the city of Iron River, continuing as 4th Street into downtown. The trunkline ends at a junction with US 2 (Adams Street) in the middle of town.
The roadway traverses the Iron River County Club as the highway begins to parallel the Iron River. M-189 follows Selden Road north through the south side of the city of Iron River, continuing as 4th Street into downtown. The main road ends at a junction with US 2 (Adams Street) in the middle of town.