To: Board of Supervisors
From: Public Works
Agenda Section: Consent
Vote Requirement: Majority
SUBJECT:
title
Request for Qualifications No. DPW 2023-004 Regarding the Provision of Construction Management Services for the Honeydew Bridge Replacement Project
end
RECOMMENDATION(S):
Recommendation
That the Board of Supervisors:
1. Approve, and authorize the Director of Public Works to advertise and distribute, the attached request for qualifications regarding the provision of construction management services for the Honeydew Bridge Replacement Project.
Body
SOURCE OF FUNDING:
Road Fund (1200-321-2118), Federal Highway Administration's Highway Bridge Program
DISCUSSION:
The Humboldt County Department of Public Works has plans to replace the Mattole River Bridge (Honeydew Bridge No. 4C-055) on Mattole Road (F3D010) Post Mile 0.02. The Honeydew Bridge crosses the Mattole River at the community of Honeydew north of the junction with Wilder Ridge Road. Built in 1920, the existing bridge is a single-lane, two (2) span, 386-foot-long structure consisting of two (2) 190-foot-long riveted steel Camelback truss spans with timber decking and rails. The bridge is structurally deficient because of its age, condition, costs of ongoing maintenance and the bridge is functionally obsolete due to not meeting current geometric and seismic standards.
In 1997, the Humboldt County Board of Supervisors passed a resolution (No. 97-56) to replace the bridge. The resolution was based on past bridge inspection reports conducted by the California Department of Transportation ("Caltrans"). Bridge inspections reports have recorded instances in which oversize vehicles hit the structure causing several main truss members to be damaged to the point where the damaged portions had been cut out and new pieces welded in. Those collisions also caused many of the portal cross frames to be damaged, they remained bent or had been replaced. Also documented are deterioration problems ...
Click here for full text