About St. Joseph County Road Commission
St. Joseph County has approximately 521 square miles with a population of 62,000 people. Within St. Joseph County public road system there are 828 miles of paved roads and 195 miles that are graveled. The St. Joseph County Road Commission has the responsibility for the construction and maintenance of all 1023 miles of these public roads and the 97 bridges located within the road system. The county is approximately 24 miles wide by 22 miles deep with Centreville headquarters situated in the middle of the county. There are two remote garages to service the county. The West side is serviced by a garage in Three Rivers on M-60 and the East side by a garage on M-66 near Colon. At the direction of the townships, the Road Commission also constructs and improves county local roads.
Major trunk lines, maintained by MDOT, include: US-12, M-60, M-66, M-86, M-103, M-216 and US-131.
The work of the St. Joseph County Road Commission includes not only snow removal and road repair, but also the upgrading and building of new and existing roads to current standards.