The Scott County Highway Maintenance Operations Department maintains nearly 400 miles of existing county highways. The County uses a variety of maintenance methods, including bituminous patching, crack sealing, seal coating, and overlaying to maximize the life of its highways.
 
Highway Maintenance Operations is responsible for the maintenance and repair of the County's infrastructure, including highways, gravel roads, and storm sewers.  This includes snow plowing, street sweeping, road weight restrictions, sign and signal maintenance, ditch cleaning, shouldering, and much more.