Marsh Creek Road Bridges Replacement

Project No.: 0662-6R4083
Federal No.: BRLS 5928(125)

Project Overview

The work to be done generally consists of the replacement of two existing bridges with single span concrete PC/PS wide-flange girder bridges and reconstruction and realignment of the approach roads to each bridge, located along Marsh Creek Road, approximately 4 miles apart, in Contra Costa County southeast of Clayton, site 1, and in Contra Costa County southwest of Brentwood, site 2.  The reinforced concrete bridge abutments are supported with CIDH concrete piles.  Work includes: clearing and grubbing, tree removal, grading, bridge removal, single stage bridge construction, roadway construction in stages, construction of drainage facilities, storm drainage pipes and outfalls, relocation of a CCWD waterline, relocation of above ground and underground utilities, and pavement delineation.


Marsh Creek Road in the Clayton and Brentwood areas

Supervisory District: III

Marsh Creek Bridges Work Location Map1

Project Funding

88.5% Federal Highway Bridge Program
11.5% Local Road Funds

Estimated Construction Cost: $12,182,000

Project Schedule

Advertise Date: February 7, 2023
Bid Due Date: March 21, 2023
Working Days: 
370 days 
Estimated Construction Date: 
May 30, 2023
Estimated Completion Date: March 2025

Construction Traffic Impacts

One-way traffic control on will be installed on Marsh Creek Road from approximately 1.3 miles northwest of Deer Valley Road near the Clayton Palms Community to approximately 0.6 miles west beginning on Monday, August 14, 2023, through April 2024, barring unforeseen circumstances. The temporary traffic signal system to allow one direction of traffic will be installed at the Bridge 143 site only.

The traffic control will include installing a temporary traffic signal system to allow one direction of traffic at a time through the Marsh Creek Road Bridges Replacement Project work area for the public’s safety. Message boards and signage will alert drivers about the traffic control. Drivers should expect delays up to 15 minutes.

Traffic Control/Work Area Map

Marsh Crk Rd Bridges Traffic Impact Map Image

Project Links

Contact Information

County Construction Manager: Jenna Caldwell
Email: [email protected]

Resident Engineer: Matt Taliaferro, Knight Construction Management
Email: [email protected]

Contractor: Granite Rock Company

DBE Program

This project is partially funded by federal funds from U.S. Department of Transportation.  The prospective bidders are required to comply with 49 Code of Regulations (CFR) Part 26.  The prospective bidders must meet the project-specific Disadvantaged Business Enterprise (DBE) goal or document the Good Faith Effort (GFE) process.  It is important to note that to comply with the County DBE program’s Good Faith Effort, the bidders must take certain actions a minimum of 15 days prior to bid opening.