Black River Falls – Tomah Coffee Creek Bridge B-27-0150

The Wisconsin Department of Transportation is soliciting bids for rehabilitation of Structure B-27-0150, the Coffee Creek Bridge on U.S. Highway 12 near Black River Falls, with bids due December 8, 2026. Place of performance is Jefferson County, Wisconsin.

Scope covers rehabilitation of the existing structure, removals, subbase and dense-graded base aggregate, asphaltic surfacing, concrete curb and gutter, sidewalk, pavement, and approach slab, traffic control, and incidental items as shown on the plans and in the proposal. Specialized work includes temporary audible message devices for pedestrian accessibility, a bird deterrent system at Station 17+50, removal and resetting of modified tubular steel railings, and removal and reinstallation of street light assemblies. Construction standards cover high-strength bolt installation with rotational capacity testing, elastomeric bearings of virgin polychloroprene or polyisoprene, and concrete pavement thickness verified by magnetic pulse induction within 10 business days of paving. Regulatory coordination includes a U.S. Army Corps of Engineers Section 404 permit, a Wisconsin Pollutant Discharge Elimination System stormwater permit, aquatic exotic species control, erosion control, and coordination with multiple utility providers.

Traffic closures require 3 calendar days' notice for shoulder closures and 3 business days' notice for lane and ramp closures. Work restrictions apply during holiday periods from Memorial Day through Thanksgiving 2027. Contractors must maintain drone liability insurance of $1 million for drones weighing 10 pounds or less and $2 million for drones between 10 and 20 pounds, with flight approval required at least 3 business days before operations.

Prime contractors must pay first-tier subcontractors within 10 calendar days of receiving progress payments and may not withhold retainage from subcontractors. Written certification that all subcontractors at all tiers have been paid in full for completed work is due within 30 calendar days of the semi-final estimate. Change order adjustments apply when major bid items vary more than 25 percent from original contract quantities or minor bid items vary more than 6.25 percent of original contract value. The contract incorporates Additional Special Provision 6, which modifies WisDOT standard specifications effective with the November 2026 letting.