Project Information

Bid Title

HSIP Cycle 11 Silverado Trail Intersection Improvements RDS 22-26 State ID #: HSIPL-5921(090)

Issuing Agency

Napa County

Location

California

Published Date

Jun 8, 2026

Closing Date

Jul 9, 2026

Government Level

State & Local

Status

Closed

Ref. #

RDS 22-26 State ID#HSIPL-5921

Original Source

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Bid Documents

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Project Description

Bid Number:	RDS 22-26 State ID#HSIPL-5921
Bid Title:	HSIP Cycle 11 Silverado Trail Intersection Improvements RDS 22-26 State ID #: HSIPL-5921(090)
Category:	Construction, Roads and Public Works
Status:	Open

Description: Napa County has received funding through Caltrans’ Highway Safety Improvement Program (HSIP) grant program to provide improvements at the intersections of Silverado Trail with Oak Knoll Avenue and Zinfandel Lane. State Project ID Number: HSIPL-5921(090) The project is located in Napa County, CA. This is a safety improvement project that will take place at the intersections of Silverado Trail with Oak Knoll Avenue and with Zinfandel Lane. At the Oak Knoll Avenue intersection, the scope of work includes the installation of a southbound right turn lane on Silverado Trail and widening of the roadway apron at Oak Knoll Avenue. Supplementary work will include, but is not limited to, tree and vegetation removal, grading, drainage, paving, tree planting and irrigation (2 years of post-construction maintenance and monitoring), thermoplastic striping, and the installation of a streetlight. At the Zinfandel Lane intersection, the scope of work will include updated thermoplastic striping and bike lane improvements and the installation of a streetlight. Engineer's estimate: $650,000. Please refer to the project timeline in the project OpenGov portal for all important deadlines. https://procurement.opengov.com/portal/countyofnapa Publication Date/Time: 6/8/2026 3:40 PM Publication Information: Napa Valley Register Closing Date/Time: 7/9/2026 11:30 AM Qualifications: Required Bidder License: Class A or C-12

Commodity Codes

• NAICS 237310Highway, Street, and Bridge Construction

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