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M-231 near Nunica, Ottawa County

Start: Spring 2011     End: Spring 2016


What Is Being Done?

M-231 project in Ottawa CountyThe Michigan Department of Transportation (MDOT) is constructing M-231, a new two-lane, limited access roadway from M-45 (Lake Michigan Drive) north to the I-96/M-104/112th Avenue interchange near Nunica in Ottawa County. It will be located west of the existing 120th Avenue roadway.

In addition, a new bridge will be constructed over the Grand River along this new route, making it only the fourth river crossing in Ottawa County. Work includes M-104 improvements near the M-231 intersection, a new I-96 interchange at M-231, and adding a westbound on ramp and eastbound off ramp to the I-96/112th Avenue interchange.

Update as of July 25, 2014:
  • The substructure has been built and two-thirds of the steel beams have been set for the bridge over the Grand River.
  • The bridge over Little Robinson Creek is complete.
  • The bridge over North Cedar Drive is complete.
  • M-104 has been reconstructed and widened from west of 124th Avenue east to I-96.
  • The 112th Avenue bridge over I-96 has been replaced and widened to four lanes.
  • The ramps at 112th Avenue and I-96 have been reconstructed, with the addition of a new westbound I-96 on ramp and a new eastbound I-96 off ramp.
  • The Cleveland Street/Apple Drive/112th Avenue intersection has been reconfigured.
Update on M-231, from M-45 to Little Robinson Creek:
  • Work to widen M-45 for the new M-231 intersection is currently in its second stage. The south portion has been reconstructed and widened at 120th Avenue. Work continues on the north side.
  • The Stearns Creek bridge substructure is complete, the beams are set, and work on the superstructure is under way.
  • The Buchanan Street bridge substructure is complete with beams set.
  • The Rich Street bridge substructure is complete. Additional work is pending the reopening of Buchanan Street (only one of these two can be closed at any one time).
  • The Lincoln Street/M-231 intersection has been reconstructed and widened. It has reopened on the base course asphalt. Remaining asphalt will be placed during M-231 paving later this fall.
  • The Sleeper Street bridge has pile-driving work under way.
  • M-231 grade work from M-45 to Little Robinson Creek has the bulk of the earthwork and embankment complete; however, some segments are still ongoing. Gravel is in place in many locations. Base-course paving will continue intermittently through the summer, with leveling-course paving planned for this fall. Final paving, shoulder gravel, etc., will be completed in spring 2015.
Update on M-231, from the Grand River to M-104:
  • The Leonard Street bridge is substantially complete.
  • Roadway paving is partially complete with leveling-course asphalt from Cypress Street to M-104. Final paving, shoulder gravel, etc., will be completed in 2015.
Additional Information:

US-31 Bypass Public Meeting Presentation pdf
News Release - Delivering value: M-231 bridge and Plainfield Avenue projects recognized nationally
News Release - Work progress on the new M-231 route in Ottawa County

Contact Us:

MuskegonTransportation Service Center, 231-777-3451
www.michigan.gov/drive
www.twitter.com/MDOT_west
www.facebook.com/MichiganDOT
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