Project Details:

This project will make improvements to approximately 4.3 miles of US 18 (Sunset Drive) in Waukesha County, from WIS 67 in Dousman to the Waukesha/Jefferson county line in Oconomowoc. Three bridges along US 18 over the Bark River will also be replaced as part of the project.

Traffic Impacts/Detours:

US 18 (Sunset Drive) will be closed to through traffic from Waukesha/Jefferson county line to WIS 67 from September 5 to late November 2023, and then again from mid-February to early summer 2024.

• Full closure just west of Gramling Lane beginning September 5^th; roadway will be impassible. Bridge out until fall 2023
• Local access will be maintained – drivers are allowed to enter the work zone if their destination is in the work zone
• Detour will be posted utilizing County BB to County DR, and WIS 67.
• Access to businesses in the work zone will be maintained.

Click here to view Detour Map and Project Flyer

US 18 Bridge Closures/Dates:

• Bark River bridge replacement west of Gramling Lane (Sept. 5^th – late November 2023)
• Bark River bridge replacement east of S. Utica Road (Mid-February 2024 – late spring 2024)
• Bark River bridge replacement west of WIS 67 (Mid-February 2024 – late spring 2024)

Additional Improvements:

• 2024 Pavement resurfacing along the project limits (Late spring 2024 – early summer 2024)
  • Asphalt pavement patching
  • Milling and Asphalt resurfacing
• Guardrail repairs
• Installation of new pavement markings, rumble strips, and signing
• Deck replacement on eastbound WIS 59 bridge over Fox River

Work is weather dependent and subject to change.