Third Street Grade Separation at BNSF Railroad

The City of Riverside, California, Public Works Department is requesting bids on the Third Street Grade Separation at BNSF Railroad project (Invitation #8225), a lump-sum contract with bids due August 19, 2026, and a mandatory onsite pre-bid meeting on July 29, 2026, at 9:30 AM. Bidders must hold a California Class "A" General Engineering State Contractor's license in good standing — the primary eligibility filter.

The scope encompasses construction of a quadruple-track concrete bridge underpass at Third Street and the BNSF crossing; retaining walls; excavation and grading of approximately 1,340 feet of Third Street; new roadway pavement with concrete curbs, gutters, sidewalks, wheelchair ramps, and driveways; reconfiguration of local streets; relocation and realignment of wet and dry utilities including the Riverside Canal; storm drain pipes, catch basins, and a new pump station; a storm water detention basin; reconstruction and modification of existing traffic signals; landscaping and irrigation improvements; traffic signing and striping; and demolition and removal of buildings and improvements on two parcels acquired by the City. Subcontractors must also maintain valid California contractor registrations and City of Riverside Business Tax Registration prior to commencing work.

The estimated contract value is $43.426 million. Bid security, payment bond, and performance bond requirements are 10 percent, 100 percent, and 100 percent, respectively. Bids must remain valid for 120 days. The question deadline is August 5, 2026. Bid submission is through the City's PlanetBids electronic bidding system. Late arrivals at the mandatory pre-bid meeting will not be accommodated.