Project Information

Bid Title

RFP Design Engineering and Environmental Services for Mattole River Bridge 04C0189

Issuing Agency

Humboldt County

Location

California

Published Date

Jun 16, 2026

Closing Date

Jul 17, 2026

Government Level

State & Local

Status

Closed

Ref. #

RFP No. DPW2026-004

Original Source

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Bid Documents

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Project Description

Bid Number:	RFP No. DPW2026-004
Bid Title:	RFP Design Engineering and Environmental Services for Mattole River Bridge 04C0189
Category:	Public Works
Status:	Open

Description: ADVERTISEMENT NOTICE IS HEREBY GIVEN that sealed proposals are invited by the Humboldt County Department of Public Works, for the following: REQUEST FOR PROPOSALS (RFP No. DPW2026-004) FOR THE PROVISION OF DESIGN ENGINEERING AND ENVIRONMENTAL SERVICES FOR THE REHABILITATION OF MATTOLE RIVER BRIDGE 04C0189 The Humboldt County Department of Public Works is accepting sealed Proposals from qualified consulting firms to provide design engineering and environmental services for the rehabilitation of Mattole River Bridge 04C0189 project.  The County will select a consultant based on their experience, availability of personnel, and other considerations as noted in the RFP to award a consultant services agreement. If you wish to submit a proposal, submit one (1) hard copy and one (1) electronic copy of all requested information in a sealed envelope. A return address and the words “RFP No. DPW2026-004” must be printed on the outside face of the envelope. Sealed proposals must be received by Public Works, 1106 2nd Street, Eureka, CA by 4:00 P.M. on Friday, July 17, 2026.  Proposals received late will be rejected and returned unopened. The County of Humboldt reserves the right to accept or reject any or all proposals. Request for Proposals (“RFP”) documents will be available for examination at the Department of Public Works, 1106 Second Street, Eureka, CA 95501, Phone: (707) 445-7377.  Complete RFP documents may be obtained through the Department of Public Works Office.  RFP documents can also be found on the Humboldt County Website under Public Works Department, via ( https://humboldtgov.org/Bids.aspx) . For questions or additional information regarding this Request for Proposals contact Tony Seghetti via electronic mail at For security reasons, you must enable JavaScript to view this E-mail address. or (707) 445-7377. Publication Date/Time: 6/16/2026 12:00 AM Closing Date/Time: 7/17/2026 4:00 PM Contact Person: Humboldt County Department of Public Works Engineering Division PWEngineering@co.humboldt.ca.us 707-445-7377 Special Requirements: See Section 4 of the RFP for Eligibility Requirements and Licensure, Certification and Accreditation Requirements. Related Documents: View Document(s)

Commodity Codes

• NAICS 541330Engineering Services
• NAICS 541620Environmental Consulting Services

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