Lebanon 24222 NH Route 120 (Hanover Street) Bridge Rehabilitation

The City of Lebanon is soliciting proposals for the rehabilitation of the NH Route 120 (Hanover Street) bridge over NHRR, identified as NHDOT Project No. 24222. The scope of work involves replacing the existing 15-inch deep prestressed deck beam superstructure with 12-inch deep prestressed deck beams of varying lengths, while maintaining the existing tunnel substructure. Additional requirements include refacing both abutments, performing concrete repairs to the substructure, retaining walls, and sidewalks, and replacing existing approach slabs with 20-foot precast slabs. Roadway approach work is limited to approximately 50 feet on each side. The engineer's estimate for the project is between 2.3 million and 2.5 million dollars. Bidders must be NHDOT prequalified in bridge or bridge rehabilitation and submit their proposals by October 22, 2026. The contract will be awarded to the responsible bidder with the lowest responsive bid, with the City reserving the right to include bid alternatives based on a specific budget. The project timeline includes a bridge closure from June 15 to September 28, 2027, with substantial completion due by September 28, 2027, and final acceptance by October 12, 2027. Award and authorization are contingent upon funding, approvals, and the outcome of a public hearing scheduled for December 2026. Compliance requirements include adherence to Build America, Buy America (BABA) standards for all permanently incorporated iron, steel, and construction materials, as well as Davis-Bacon wage determinations and ADA compliance for pedestrian detours. The successful bidder must provide a bid bond of 5 percent of the bid price, and subsequently, performance and payment bonds for 100 percent of the bid price. All work must be performed in accordance with the final construction plans and technical specifications provided by the City of Lebanon.