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Humboldt County·California

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

Closes 7/17/2026$500k – $5MRequest for Proposal
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Description

The Humboldt County Department of Public Works is seeking a consulting firm to provide design engineering and environmental services for the rehabilitation of the Mattole River Bridge 04C0189. The project involves the rehabilitation of the bridge, and the selected consultant will be responsible for providing design engineering and environmental services. The county will select a consultant based on their experience, availability of personnel, and other considerations. • The consulting firm should have experience in design engineering and environmental services for bridge rehabilitation projects. • The firm should have a team of qualified personnel with expertise in bridge design, environmental assessment, and project management. • The selected consultant will be required to provide a proposal that includes a detailed scope of work, project schedule, and budget. • The county reserves the right to accept or reject any or all proposals.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Tony Seghetti(Engineering Division)

(707) 445-7377

Key dates

Opened
6/16/2026
Closes
7/17/2026

Last updated

Details

Type
Request for Proposal
Industry
Civil Engineering
NAICS
541330
Solicitation №
RFP No. DPW2026-004

Budget estimate

$500,000 – $5,000,000

The budget for this project can be estimated based on the scope of work and the type of services required. The rehabilitation of a bridge can be a complex and costly project, involving design engineering, environmental assessment, and construction services. The estimated budget range for this project could be between $500,000 and $5 million, depending on the complexity of the project, the scope of work, and the experience of the consulting firm. Factors that may influence the likely payment range include the size and type of the bridge, the extent of the rehabilitation work required, and the location of the project.

AI estimate from the solicitation

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