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STH 441 Tri-County Project

DAAR is currently providing oversight on the STH 441 Tri-County Project which will reconstruct and expand approximately 6 miles of US 10/STH 441 from 4 to 6 lanes between Cold Spring Road (County B) and Oneida Street (US 10) in Winnebago County, WI; and reconstruct five interchanges and the Little Lake Butte Des Morts Bridge.

Construction management services are being provided as part of a joint venture team (Fox Valley Consultants) on the staged construction of the completely redesigned US 10/STH 441 and I-41 system interchange and the Racine Road interchange, construction of a new 22-span concrete girder bridge over Little Lake Butte Des Morts (LLBDM), and rehabilitation of the existing LLBDM structure.

Major items of work on the contracted segments include:

  •  589,000 cubic yards of common excavation
  • 980,000 cubic yards of embankment
  • 2 million linear feet of wick drains
  • 6 retaining walls with cast inplace, tilt up, and MSE retaining wall elements
  • 2 bridge extensions and 1 bridge overlay
  • 20 sign structures
  •  6 multispan concrete girder bridges, one 6span bridge on a curve, and one 22span bridge
  • Mainline concrete paving
  • Construction of one concrete roundabout
  • Staged construction, storm sewer, ITS, lighting, erosion control, and landscaping