The Michigan Department of Transportation announced on April 7 that it will start work on the M-115 bridge over the west branch of the Middle Branch River in Osceola County beginning Monday, April 13. The project, with an investment of about $600,000, is expected to continue through late June.
The planned improvements include deck patching, epoxy overlay, beam and barrier repairs, substructure patching, guardrail upgrades and approach work. MDOT said that M-115 will be closed during construction and traffic will be detoured via M-66 and M-61. According to economic modeling cited by MDOT, this investment is projected to directly and indirectly support five jobs.
Officials say the project aims to improve ride quality for drivers and extend the service life of the bridge. “This project will improve the ride and extend the service life of the bridge,” according to MDOT.
The Michigan Department of Transportation manages nearly 10,000 miles of state highways as well as more than 4,800 bridges across Michigan according to its official website. The department also oversees non-motorized trails, railroad tracks and airports throughout the state. With more than 2,800 employees working across seven regions and numerous facilities statewide according to its official website, MDOT plays a key role in maintaining transportation infrastructure.
MDOT’s responsibilities include managing highway systems such as M routes like M-115 along with I (Interstate) and US routes; overseeing bridges; supporting rail services; running public transit programs; handling aviation initiatives; maintaining non-motorized trails; and setting safety standards according to its official website.
Leadership at MDOT includes a director along with executives such as a chief administrative officer and chief operations officer according to its official website. The department’s mission focuses on serving people, communities and Michigan’s economy through various transportation efforts according to its official website.


