Road Construction & Projects

Washington County Highway Department Projects

Washington County road construction is prioritized on the basis of need and roads are built with federal aid if possible with contracts let to the lowest bidder. See the map below for the County's 5-year Highway Improvement Plan for 2018-2022. All County and State projects displayed are subject to change.

5-Year Highway Improvement Plan (2018-2022)

CTH M Bridge Replacement

The County Road M bridge over the Milwaukee River south of State Highway 33 is going to be replaced in 2020. A public involvement meeting will be held on Monday, October 9, 2017 from 5-6 p.m. at the Trenton Town Hall for this project.  See the following press release for more information.

CTH M Bridge Replacement - Public Involvement Meeting Press Release


County Trunk Highway C Reconstruction

County Trunk Highway (CTH) C is being reconstructed this summer from American Eagle Drive to the intersection with CTH Z in Cedar Creek. The project is underway and is scheduled to be substantially completed by mid-October of 2017.

CTH C Reconstruction Project Area Map

CTH C Reconstruction Plan Map (10 MB)

CTH C Reconstruction Status Updates (updated weekly)

County Trunk Highway D Reconstruction


Reconstruction of County Trunk Highway D, from United States Highway 45 northbound ramps to Green Tree Road, is now complete with the roadway open to regular traffic.

The Washington County Highway Department thanks you for your patience and understanding as we improve Washington County's roadways.

CTH D Reconstruction Project Area and Bridge Closure Map

Woodford Drive Bridge Closure Press Release

Washington County Section Corner Monument Survey

Washington County has contracted with the Southeastern Wisconsin Regional Planning Commission (SEWRPC) to conduct a countywide update to the Public Land Survey System (PLSS) section corners in Washington County. SEWRPC surveyors will be collecting survey measurements on these monuments from now until the end of 2018. Work will occur within roadways and in off-road locations including on private property. Please exercise caution if you encounter such work in progress.

For more information, please see the press release and the State of Wisconsin's Right of Trespass Law below.

If you have any questions, please call Ted Dumke, Project Manager/Deputy Surveyor at (262)335-4436.

     Press Release

     State of Wisconsin's Right to Trespass Law (pdf)


CTH P Reconstruction

The Washington County Highway Department will be reconstructing County Trunk Highway P from State Highway 60 north to Woodland Drive in the Village and Town of Jackson in 2018. The project area will be designed to meet current and future traffic needs and improve the safety for the traveling public. The roadway will be closed to through traffic during construction.

A public meeting will be held on Thursday, September 14, 2017 at the Gathering Hall at the Jackson Community Center (N165 W20330 Hickory Lane) from 6:00-7:30 p.m.

Public Notice - Public Informational Meeting on 9/14/17

CTH P Reconstruction Project Area Map

CTH Z/NN Reconstruction and Resurfacing

The Washington County Highway Department will be reconstructing and resurfacing CTH Z/NN around Little Cedar Lake in 2018. The purpose and need for the project is to improve the long-term pavement conditions of the roadway, improve drainage and the failing slope on the west side, and reduce future roadway maintenance costs.

A second public informational meeting was held at the West Bend Town Hall on June 8, 2017 to inform the public about the project. Please see the following links for more information.

Project Area Map

Public Informational Meeting Handout

Public Informational Meeting Map Exhibit

WisDOT Construction Projects In Washington County

For updates and information regarding WisDOT construction projects in Washington County and southeastern Wisconsin, please visit: or call 511.