Lake Butte des Morts Bridge - Oshkosh

Winnebago County

Project Overview

PROJECT COMPLETE AS OF SEPTEMBER 30, 2024. Website for reference only.

OPEN! Northbound and southbound I-41 over Lake Butte des Morts lane closures are removed, and the southbound I-41 on-ramp from US 45 is OPEN to traffic!

Project Location

This is a rehabilitation project on I-41 over Lake Butte des Mort in Winnebago County.

Project Scope

The improvements include:

  • Remove and replace structure approaches for northbound and southbound I-41 bridges over main channel of Lake Butte des Morts (B-70-265 and B-70-266)
  • Replace and relocate a roughly 100-foot section of cable barrier on the west side of I-41 near the US 45 interchange
  • Move and replace existing safety and weight enforcement facilities (SWEF) along I-41 near the northern shore of Lake Butte des Morts

Schedule

Construction: May 28, 2024 to October 1, 2024 (COMPLETED)

Traffic Impacts

  • Open to traffic.

Project Benefit

The benefit of this project is to extend the life of I-41 bridges and upgrade the weight enforcement facilities along this important corridor.

Temporary Business Signing and Business Resources

Temporary business signing may be placed during the detoured portion of the project by filling out a WisDOT business signing permit. All temporary business signing needs approval via the permit before placement to ensure it is in a safe location and do not pose a visual distraction or traffic hazard.

The temporary business signing permit is free. Costs associated with creating the temporary sign are the responsibility of the business. The permit is available as a fillable-form WORD document or PDF below, or you can request one from the project contacts below.

Project Contacts

Bill Bertrand, P.E., WisDOT Project Manager
WisDOT Northeast Region
944 Vanderperren Way
Green Bay, WI 54304
(920) 360-3124
William.Bertrand@dot.wi.gov