The Highway Department carries out general and winter maintenance in order to fulfill it's responsibilities to maintain travel safety and convenience on all county and state highways, in addition to a number of local roads in Brown County.
General maintenance includes: patching, crack filling and replacement of pavement; shoulder maintenance, roadside mowing and brush control; bridge and culvert maintenance; litter and trash pickup; guard rail installation and repair; signing; pavement marking; traffic control; and traffic signal maintenance. Winter maintenance includes: installation of snow fence; ice control; salting and sanding; snowplowing, and snow removal.
Additionally, the department carries out road construction, pavement resurfacing (blacktopping), plus bridge and culvert repair and installation. To effectively accomplish these activities, storage, maintenance, and repair facilities are operated at various locations (Howard, Greenleaf, Langes Corners, and New Franken). Planning, engineering and administration are also functions of the department.