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Ramp Closure Scheduled Overnight as 101 NB Central San Rafael Harbor Bridge Replacement 4/11-4/12

Posted on April 7, 2023


Caltrans is scheduled to close the Central San Rafael offramp on northbound US-101 on Tuesday, April 11 from 11 p.m. until 6 a.m. on Wednesday, April 12 as one of the final stages of the Harbor Bridge construction project in San Rafael.

The off-ramp will be partially closed at 9 p.m. and fully closed at 11 p.m. on Tuesday, April 11 due to final pavement striping.

Primary detour

Continue on northbound US101 and take the northbound loop off-ramp to San Pedro Road. Take a right on Merrydale Road, get on the US-101 southbound onramp. Take US-101 south to Mission Avenue. Continue onto Heatherton Street, and take a left on 2nd Street.

Secondary detour

From northbound US-101, take the Francisco Boulevard exit. Take a right on Bellam Boulevard. Take a left on Francisco Boulevard. Take a right on Grand Avenue.

Project Description

All Harbor Bridge construction work is dependent on weather.

The project started in February 2021, and on Dec. 11, 2021, was suspended due to environmental regulations for in-creek work.

Work on the intersection improvements started in May 2022 while increek work resumed in June 2022 to complete the western portion of the new bridge and switch to the final traffic configuration. The deck of the western portion of the new bridge and the bridge approach slab have been completed. The project is expected to be completed in the fall of 2022.

Changeable message and directional signs will be in place to assist motorists traveling in the area. The California Highway Patrol (CHP) will be on-site during the closures.

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, follow 511.org: https://twitter.com/511SFBay

For real-time traffic, click on Caltrans QuickMap: http://quickmap.dot.ca.gov/

San Rafael Harbors Bridge Replacement Project (US 101 Off ramp to 2nd street, San Rafael)

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