TO: Board of Supervisors
FROM: Steven Lederer - Director of Public Works
REPORT BY: Graham Wadsworth, P.E. Engineering Supervisor
SUBJECT: Approval of Amendment 3 to Professional Services Agreement No. 250223B with Bureau Veritas for the Dry Creek Road Bridge Replacement Project, RDS 15-22 and a Budget Amendment.
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RECOMMENDATION
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Approve and authorize Amendment No. 3 to Agreement No. 250223B with Bureau Veritas to increase the contract maximum amount from $1,265,796 to $1,763,741 for construction management services to support the construction of the Dry Creek Road Bridge and approve a Budget Amendment. (Fiscal Impact $497,945 Expense; Roads Fund; Not Budgeted; Discretionary)
[4/5 vote required]
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BACKGROUND
The old Dry Creek Road Bridge over Dry Creek was 0.8 miles west of Mt. Veeder Road, over 100 years old, and in need of replacement. Caltrans identified the bridge as structurally deficient, functionally obsolete, and unstable due to scour under the north abutment. The width was only 18 feet between the bridge barriers, which does not meet the Association of State Highway and Transportation Officials (AASHTO) standard of 11-foot minimum lanes.
The new bridge structure consists of an approximately 80-foot-long by 32-foot-wide single-span concrete slab bridge that is constructed on pre-cast and pre-stressed concrete girders. The project also includes 900 feet of new roadway that removed two curves in Dry Creek Road. Caltrans has been reimbursing Napa County 100% of eligible and participating costs.
After County staff conducted a competitive solicitation for construction management services and the Board awarded Agreement No. 250223B to Bureau Veritas on November 12, 2024. The original Agreement’s scope was limited to constructability review to address potential issues and conflicts before the construction work was advertised to bidders.
On May 6, 2025, the Board awarded the competitively bid construction contract to Gordon N. Ball, Inc., approved ...
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