The City of Byrnes Mill Public Works department maintains close to a dozen roads located within city limits with the exception of Missouri State Highway 30 and Missouri State Highway W which are both maintained by the Missouri Department of Transportation (MoDOT). 

Regular maintenance includes taking care of culverts, chip and sealing, trimming trees, brush and grass, animal control, disposal of animal carcasses, as well as snow plowing as needed during the winter months.

The following roads are maintained by Byrnes Mill (all unlisted roads are maintained privately):

• Old Highway 30/Gravois Road Portions only
• Franks Road
• Franks Court
• Hallmark Drive
• High Ridge Boulevard
• Lower Byrnes Mill Road
• Osage Executive Circle
• Upper Byrnes Mill Road 

In addition to regular maintenance, scheduled work and snowplowing, City crews pick up discarded trash along the City’s maintained roadways twice each month.  Please use caution when workers are present.