STH 23 – Lone Rock STH 23 to STH 133 STH 130

Wisconsin Department of Transportation is soliciting electronic bids through Bid Express for two state trunk highway projects on STH 23 and STH 130, with bids due December 8, 2026. The document specifies no set-asides. Bidders must certify they are not debarred, suspended, or otherwise ineligible for federal contracts, comply with all non-discrimination provisions, and meet Wisconsin workers' compensation requirements.

The projects are Project 5770-02-70, STH 23 from Lone Rock to STH 133 on STH 130, and Project 5770-02-72, STH 23 from Garthwaite Lane to Spring Valley Road on STH 130. The attached proposal places both in Iowa County, while the posting's jurisdiction field lists Jackson County (FIPS 55053). The scope covers earthwork, culverts, guardrail, select crushed and base aggregate dense materials, HMA paving, signing, pavement marking, and incidental items. Work is governed by the WisDOT Standard Specifications for Highway and Structure Construction (2025 Edition) and includes Quality Management Program HMA density testing. Special provisions address traffic control, utility coordination, erosion control, archaeological protection, blasting, contaminated soil discovery, and protected species, including Blanchard's cricket frogs, rusty patch bumblebees, federally protected bats, and state special concern turtles.

Bidders must post a proposal guaranty equal to the total bid, which becomes state property if the bidder fails to execute the contract and performance bond within 14 days of notification. A list of proposed subcontractors with estimated values and class of work is required with the proposal. Requesting a waiver of electronic submittal carries a $75 fee per proposal.

Construction is scheduled for the 2027 season. The contract must be executed within 14 days of the engineer's written notice, with construction beginning within 10 calendar days thereafter. The contractor must submit a required time frame in writing within one month of execution and at least 14 calendar days before the preconstruction conference. STH 130 closes to through traffic with a detour over STH 23, USH 14, and STH 133. Work is restricted during Memorial Day, Independence Day, and Labor Day weekends.