How to bid on Airport Boulevard Bridge Construction Management for Riverside County

What Riverside County is buying

Riverside County Transportation Department seeks a qualified engineering firm to provide construction management for the Airport Boulevard Bridge replacement over the Whitewater River in Thermal, California. The project will replace the existing two-lane bridge with a new bridge and includes roadway, intersection, access, and utility-related work.

The selected firm will provide services including constructability review, construction contract administration, progress monitoring, community outreach, materials testing, and environmental monitoring. The work may suit firms with relevant civil engineering and construction management experience.

Key dates and deadline

The mandatory pre-proposal meeting is October 14, 2026, at 1:00 p.m. at the County of Riverside Transportation Annex, 3525 14th Street, Riverside, CA 92501. The meeting includes discussion of challenges and staging concepts and a question-and-answer session. Proposers must attend.

Proposals are due November 9, 2026, at 5:00 p.m. ET. Submit electronically through the PlanetBids listing before the deadline. The proposals will be used to create a shortlist of firms invited to give oral presentations and be interviewed.

Who this opportunity suits

This RFP is for qualified engineering professionals able to provide construction management services for a bridge replacement project. A California-licensed Professional Civil Engineer is required.

The County encourages firms to employ or use local personnel and to engage local firms for the proposed work.

How to get the documents and respond

Open the solicitation’s original source to reach the agency’s PlanetBids listing, where the scope, dates, and document list are available. PlanetBids may require a brief human-verification check.

To download documents, receive addenda, and submit electronically, register for a free PlanetBids vendor account with the agency. Submit your proposal through the listing before the stated deadline.

For RFP questions, email [email protected] with “RFP Inquiry” in the subject line. The County accepts inquiries only through that email address, not by phone or physical letter. To receive update notifications, email the same address with “RFP Mailing List” in the subject line; otherwise, monitor the listing for changes.

Prepare a clear, competitive proposal

Use Appendix A, Scope of Services, to organize your response. Explain how your team will address each requested service, and make the required California Professional Civil Engineer license clear in your qualifications.

Plan to attend the mandatory meeting and use the discussion and question-and-answer session to understand the project’s challenges and staging concepts. Submit any clarification questions promptly through the specified email process.

Allow time to register, review the RFP and attachments, and check for addenda. Before submitting, confirm that the proposal addresses the requested scope and that the electronic submission is complete and on time.