California Department of Transportation

02/25/2026 | Press release | Distributed by Public on 02/25/2026 11:33

Full Closure on State Route 29 (SR-29) for Culvert Work Between Rutherford, Oakville in Napa County

Full Closure on State Route 29 (SR-29) for Culvert Work Between Rutherford, Oakville in Napa County

Published: Feb 25, 2026

Full closures occur Feb. 25-Feb. 28 between 10 p.m. and 6 a.m. the following morning

Napa County - Caltrans has scheduled a full closure of State Route 29 (SR-29) beginning on February 25 through February 28 between 10 p.m. and 6 a.m. the next mornings for culvert replacement work and road stabilization in between Rutherford and Oakville roads (south of Glos Lane).

During this stage of construction, crews will begin to remove the existing culvert and replace it with a cast in place box culvert.

Flaggers will be present and Changeable Message Signs (CMS) signs will be posted to help the traveling public.

Caltrans currently has reverse one-way traffic control of State Route 29 (SR-29) in effect between 6 p.m. and 6 a.m. the next mornings for culvert replacement work. Crews are working a six night work schedule, Monday through Saturday.

It will remain a six night work schedule, Monday through Saturday, through March.

This emergency project is expected to be completed in Spring, 2026.

All work is weather dependent. Future traffic advisories will be sent out if dates or times change.

Detour SR-29 Northbound toward St. Helena/Calistoga

  • Turn right onto Oakville Cross Road
  • Turn Left onto Silverado Trail Road
  • Turn Left onto SR-128 to Rutherford to get onto SR-29

Detour SR-29 Southbound toward the city of Napa

  • Turn left onto SR-128 in Rutherford
  • Turn right onto Silverado Road
  • Turn right onto Oakville Cross Road to get onto SR-29.

Drivers should expect delays and to slow down in the construction area to help crews stay safe.

Please drive with caution. Slow for the Cone Zone and Be Work Zone Alert. Caltrans thanks motorists for their patience while we work to maintain our state's highways, bridges, and tunnels.

For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
Follow us on X: https://x.com/CaltransD4
Or call 1-800-472-7623, 1-800-427-ROAD for state highway conditions statewide.

California Department of Transportation published this content on February 25, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on February 25, 2026 at 17:33 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]