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A beautiful new causeway

Causeway Map
Originally opened in 1955, the Lake Butte des Morts Causeway was in need of an upgrade to accommodate increasing traffic volumes. WisDOT built the new eight-lane crossing by widening to the west. The new causeway opened to traffic in July 2013 and now provides increased safety and better traffic flow.
Improvements include:
  • Three through-lanes and an auxiliary lane in each direction
  • Lights that span the entire causeway
  • A bike and pedestrian recreational trail across the causeway, located east of the northbound lane

Tribal Heritage Crossing of the Wiouwash State Trail
The Tribal Heritage Crossing of the Wiouwash State Trail has been one of the highly-anticipated benefits of the new causeway. Runners, walkers, bikers and in-line skaters are now able to cross the lake on the trail, which connects to the Wiouwash State Trail on the north end.
This multimodal path provides access to fishing, as well as interpretive displays for all 11 of Wisconsin's Indian Tribes, as well as a Natural History kiosk.The causeway reconstruction project began to address capacity and safety needs on US 41. The result is a new, eight-lane Lake Butte des Morts crossing and the new trail.


Tribal Heritage Crossing of Wiouwash State Trail: October 12, 2013, event photos

Boy running on the new bridge Oneida Nation’s Loretta Metoxen Run/Walk Participants Unveiling of the new Wiouwash State Trail connection