Lane Closure Expected at Night as 101 NB Central San Rafael Harbor Bridge Replacement To Start Again in Marin County

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The electrical work will start on Monday, June 27 and end on Friday, July 1
The bridge work will begin on Tuesday, July 5 and end on Thursday July 7

SAN RAFAEL — Caltrans is re-starting this month (June) the Harbor Bridge Replacement Project on the northbound 101 off-ramp to Central San Rafael, Marin County. The project started in February 2021, and on Dec. 11, 2021, was suspended due to environmental regulations for in-creek work.

Nightly lane closure will resume starting on June 27 between 9 p.m. to 5 a.m only.

The first scheduled lane closure will be for electrical work. Upon exiting the Central San Rafael off-ramp, one lane (out of three) will be closed during construction; the other two lanes will remain open at all times.

The second scheduled lane closure is for bridge work. One lane (out of three) will be closed during construction; the other two lanes will remain open at all times.

The project is expected to be completed in the fall of 2022. The Harbor Bridge project is partially funded with SB1 funds, approved by the voters in 2017.

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.

Additional project information is available at: http://101express.com/
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/

Image showing the area affected by the lane closures for the Harbor Bridge Replacement Project on the northbound 101 off-ramp to Central San Rafael, Marin County.

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