Unofficial Notice of Invitation to Bid (NIB)

Riverside County Transportation Department is seeking bids from qualified and interested contractors for the following project titled, Replacement of Market Street Bridge at Santa Ana River – Construction Management Services, identified under Solicitation ID: -. Work is to be performed near 3525 14th St, Riverside, CA 92501, USA in Riverside County.

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General Project Description

The County of Riverside Transportation Department is seeking proposals from qualified engineering professionals to provide construction management services for the replacement of the Market Street Bridge at Santa Ana River. The existing two-lane, 34-foot-wide bridge will be replaced with a 1,200-foot-long, 88-foot-wide structure featuring two traffic lanes (12-foot and 14-foot wide each direction), two 8-foot-wide shoulders striped as Class II bicycle lanes, and a 12-foot-wide multi-purpose path protected by a traffic barrier. The project also includes necessary approach roadwork, restriping, and utility relocations. Roadway improvements on Market Street will involve widening and striping to four lanes between Rivera Street and 24th/Via Cerro, then tapering back to two lanes between 24th/Via Cerro and Hall Road. The project is located within the Cities of Jurupa Valley and Riverside, with coordination required with Caltrans and the relevant cities.

General Bid Items

Quantity: - Unit: - Work Item: Provide construction management services for the Replacement of Market Street Bridge at Santa Ana River.
Quantity: - Unit: - Work Item: Oversight of bridge construction including a 1,200-foot-long, 88-foot-wide structure.
Quantity: - Unit: - Work Item: Oversight of traffic lane implementation (one 12-foot-wide, one 14-foot-wide per direction).
Quantity: - Unit: - Work Item: Oversight of Class II bicycle lane striping (two 8-foot-wide shoulders).
Quantity: - Unit: - Work Item: Oversight of 12-foot-wide multi-purpose path installation with traffic barrier.
Quantity: - Unit: - Work Item: Oversight of approach roadwork, restriping, and utility relocations.
Quantity: - Unit: - Work Item: Oversight of Market Street roadway improvements (widening and striping to four lanes between Rivera Street and 24th/Via Cerro, tapering to two lanes between 24th/Via Cerro and Hall Road).
Quantity: - Unit: - Work Item: Coordination with the State of California Transportation Department (Caltrans) and the Cities of Jurupa Valley and Riverside.

NAICS Classification

NAICS 237310 – Highway, Street, and Bridge Construction, NAICS 541330 – Engineering Services, NAICS 541611 – Administrative Management and General Management Consulting Services

Records and Due Date

This bid opportunity was entered into BidAmerica on February 25, 2026, and was last updated on February 25, 2026. All bids and/or proposals are due on March 25, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Riverside County Transportation Department. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Riverside County Transportation Department prior to bidding.