Wisconsin Statutes & Annotations
Chapter 83 - County highways.
83.035 - Streets and highways, construction.

83.035 Streets and highways, construction. Any county board may provide by ordinance that the county may, through its highway committee or other designated county official or officials, enter into contracts with cities, villages and towns within the county borders to enable the county to construct and maintain streets and highways in such municipalities.
Counties may charge one percent of a project cost administrative fee for work done on municipal roads. 63 Atty. Gen. 321.
Projects involving county highway contracts entered into by the county highway committee or the county highway commissioner under ss. 83.035 and 83.04 (1) are exempt from county competitive bidding requirements. OAG 5-09.
A county board in a county with a county executive cannot enact an ordinance precluding the highway commissioner from determining that the county highway department will perform any of the work on any joint county highway project under ss. 83.03 and 83.035 if a contracting local municipality requests that all of the work on the project be competitively bid and let to private companies. OAG 2-11.
This section empowers a county board to enter into contracts with certain public entities to construct and maintain streets and highways. On its face, this section has no application to leasing gravel rights. OAG 1-20.