N-4, Davenport West - Highway Improvements in Nuckolls & Thayer Counties

The Nebraska Department of Transportation is requesting sealed bids for highway improvements on N-4 spanning 12.9 miles in Nuckolls and Thayer Counties under Project No. STP-4-5(106), with bids due August 27, 2026, at 1:30 p.m. at NDOT's Central Office in Lincoln. Bidders must hold prequalification in Classes 9 and 10 (Bituminous and General) and obtain authorization to bid before submission.

The scope includes milling and resurfacing with asphalt, guardrail repairs and replacement, culvert extension or replacement, and bridge repairs at two structures (Little Blue River Structure No. S004 08599 and Big Sandy Creek Structure No. S004 09554). Work is organized into ten groups covering grading, culverts, seeding, bridge work, guardrail installation, bituminous paving, and general items. The project is federally funded through the Surface Transportation Program and incorporates extensive environmental commitments: wetlands protection under Nationwide Section 404 Permit #3, threatened and endangered species protections (Northern Long-eared Bat, Whooping Crane, and Bald/Golden Eagle), Platte River depletion protocols, and Section 106 historic preservation review. Contractors must comply with a Construction Stormwater Permit and maintain a Stormwater Pollution Prevention Plan addressing 15 acres of soil disturbance.

The tentative start date is April 26, 2027, with a contract duration of 125 working days. Davis-Bacon wage requirements and Buy America compliance for domestic manufacturing apply. Contractors must register with E-Verify for federal immigration verification. Multiple utility conflicts require coordination with Black Hills Energy, South Central Public Power District, Tallgrass Energy, and Windstream Communications; Windstream will perform abandonments prior to construction. Electronic submission is available through BidX. All project documentation, including the 2017 Edition Standard Specifications for Highway Construction, environmental commitments, traffic control provisions, and detailed material and construction specifications, are incorporated by reference.