CTH W – V North Freedom Baraboo River Bridge B-56-0255 CTH PF

The Wisconsin Department of Transportation is soliciting bids for the CTH W–V North Freedom Baraboo River Bridge project (B-56-0255), with proposals due December 8, 2026. The record is tagged to Sheboygan County (FIPS 55117), but the attached proposal places the work in Sauk County.

The scope covers demolition of Structure B-56-0672, grading, dense base aggregate, asphaltic surfacing, concrete curb and gutter, concrete sidewalk, storm sewer, heavy riprap, cofferdams, and completion of Structure B-56-0255, along with all incidental items shown on the plans. Special provisions address seismograph monitoring, crack and damage surveys, bird deterrent systems, pedestrian portage, and traffic management. Work must begin no later than June 16, 2027. Instream disturbance of the Baraboo River is prohibited from March 1 through June 15, and tree clearing is restricted from April 15 through October 31 to protect endangered bats. Utility removals and relocations by Alliant Energy, Brightspeed, Spectrum, and the Village of North Freedom must be substantially complete before construction starts. The contractor must comply with Wisconsin DNR Storm Water Management Technical Standards. The contract is not governed by Administrative Rule Trans 220.

Proposals must be submitted electronically through Bid Express, or as a printout with diskette or CD-ROM. Paper bids are accepted only under waiver, with a $75 administrative fee. A proposal guaranty (bid bond) is required in the amount stated in the advertisement. Bidders must review posted addenda on the Wisconsin DOT website and obtain the latest schedule before 5:00 p.m. local time on the Thursday before the letting. The contractor must submit a construction time frame within one month of contract execution and at least 14 days before the preconstruction conference. Subcontractor payment terms require payment to first-tier subcontractors within 10 calendar days of receiving a progress payment, with no retainage withheld from subcontractors. Written certification that all subcontractors at all tiers are paid in full is due within 30 days of the semi-final estimate.