Southwest Region, Bridge Rehabs Rock River B-53-172 & B-53-104 STH 081

The Southwest Region is soliciting bids for bridge rehabilitation on two structures over the Rock River, with bids due December 8, 2026. The attached proposal identifies the Wisconsin Department of Transportation (WisDOT) and Rock County as parties to the work, while the opportunity's jurisdiction field lists Rusk County (FIPS 55107). No set-aside, preference program, or pre-bid meeting is stated.

Scope on County Town Highway Q (Structure B-53-104) covers deck replacement, joint replacement, spot girder painting, concrete surface repair, backwall rehabilitation, polymer overlay, approach slab replacement, HMA paving, guardrail replacement, base aggregate, select crushed material, and street lighting. On State Trunk Highway 81 (Structure B-53-172), scope covers joint replacement, abutment backwall replacement, concrete surface repair, spot parapet painting, polymer overlay, and approach slab replacement. The source also requires all incidental items needed to complete the work as shown on the plans and included in the proposal and contract.

Material specifications cover modular expansion devices with high-strength low-alloy steel, neoprene seals, stainless steel sliding surfaces, and galvanization per ASTM A123, plus Grade C or E concrete for deck repair and a two-component, 100 percent solids polymer overlay. The contractor must provide a technical representative from the expansion device manufacturer during installation. Asbestos abatement covers 101 square feet of regulated asbestos-containing material at Structure B-53-104, with DNR Form 4500-113 submitted at least 10 working days before abatement begins. A Wisconsin Pollutant Discharge Elimination System Transportation Construction General Permit applies for 0.4 acres of land disturbance, and U.S. Army Corps of Engineers Section 404 permit considerations apply.

Traffic and public constraints include 3 calendar days' notice for shoulder closures and 3 business days' notice for lane and ramp closures, with holiday and special event work restricted from May 28, 2027 through July 6, 2028. The contractor must hold a public coordination meeting at least one week before work begins, with at least 2 weeks' notice to the engineer. Utility coordination involves Alliant Energy, the City of Beloit, and the Town of Beloit. The contractor must also coordinate with Eagle Creek Renewable Energy on the downstream Beloit Dam (FERC License 2348) and keep dam walkway access open. Work must be coordinated with the concurrent ADA Curb Ramps project (Project 5989-03-73) under Construction PM Adam Kopp.