Full closures of US 12 bridge and WIS 40 coming in Dunn County

Closures necessary to replace US 12 bridge approach slabs and culverts on WIS 40

Motorists will encounter full closures of US 12 and WIS 40 in July to complete work as part of a resurfacing project on US 12 from Princeton Drive in Elk Mound to just north of WIS 29, and on WIS 40 from US 12 to County M in the village of Colfax.

• July 7-20: The bridge carrying US 12 over WIS 29 northwest of Elk Mound will be closed during this period for the replacement of concrete approach slabs. Interchange ramps will remain open.

  • Detour route: Traffic will be detoured via County H and County HH.

• July 20-25: WIS 40 will be closed south of 855^th Street south of Colfax for culvert pipe replacement.

  • Detour route: Traffic will be detoured via WIS 29, I-94, WIS 25 and WIS 170.

Closures are weather dependent.

To address deteriorating pavement and other issues, the project includes:

• Milling 2.25 inches of existing asphalt and paving 3.25 inches of hot-mix asphalt in rural areas

• Milling 3.25 inches of existing asphalt and paving 3.25 inches of hot-mix asphalt in urban areas

• Replacing joints on the Eighteen Mile Creek Bridge in village of Colfax

• Placing centerline rumble strips in rural areas

• Replacing cross culverts, guardrail and sidewalk curb ramps

• Replacing the railroad crossing in the village of Colfax

  • This work will be completed by the railroad.

Construction began in March and is scheduled for completion in early October.

For more information regarding traffic impacts, transportation news and improvement project updates in Wisconsin’s Northwest Region:

• Follow us on X: @WisDOTnorthwest

• Visit the region’s 511 website: projects.511wi.gov/region/northwest/  

• Visit the project’s construction website: projects.511wi.gov/us12dc/

Motorists are reminded that using handheld cell phones in Wisconsin work zones is illegal. Alerts and updates provided via these sites are not intended for use while driving. When driving, your focus should always be on driving.

Media release.