Maintenance work will cause a roadway in Carroll County to remain closed for most of the day Friday. According to the Missouri Department of Transportation, maintenance crews will close Route M from Route UU to County Road 311 for a culvert replacement. Drivers should find alternate routes. Route M will close at 8 a.m. and is expected to reopen around 3 p.m. For more information call 1-888-ASK-MODOT or visit