Bridge Rehabilitation of Central (US 101) and Bayshore (I-80) Viaducts Media Resources

Banner image for the San Francisco freeway rehabilitation projects, four will rehabilitate San Francisco’s major freeway arteries, referred to as the Fab 4 Rehab projects. The Fab 4 includes the Bayshore and Central freeways US-101 and I-80, the entire 19th Avenue (SR-1), and the pedestrian overcrossing on the I-280 near Cayuga Park

Downloadable Resources

Updated Bridge Rehabilitation of Central (US 101) and Bayshore (I-80) Viaducts Project Map [JPG, 2000 pixels x 1906 pixels]

FAB 4: Closure of 4th Street Off-Ramp from EB I-80 for US 101 Central/I-80 Bayshore Viaducts Project [D4 YouTube]

Completed images of the 4th St. off-ramp at the Eastbound Interstate 80 (EB I-80) freeway February 21, 2026

4th Street off-ramp closure in SF February 21, 2026

Bridge Rehabilitation of Central (US 101) and Bayshore (I-80) Viaducts Closure February 21, 2026

Cars traveling eastbound Interstate 80 on the San Francisco-Oakland Bay Bridge East Span with a sign warning drivers E-80 4th St. Exit is closed for the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Cars traveling eastbound Interstate 80 on the San Francisco-Oakland Bay Bridge East Span with a sign warning drivers E-80 4th St. Exit is closed for the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Cars traveling eastbound Interstate 80 on the San Francisco-Oakland Bay Bridge East Span with a sign warning drivers E-80 4th St. Exit is closed for the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Cars traveling in traffic on US 101 where the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project is taking place, February 21, 2026.

Cars traveling in traffic on the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct where the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project is taking place, February 21, 2026.

Cars traveling in traffic on the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct where the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project is taking place, February 21, 2026.

Freeway sign warning drivers ramp is closed on the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct where the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project is taking place, February 21, 2026.

Cars traveling in traffic where the 4th Street off-ramp is closed where the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project is taking place, February 21, 2026.

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Caltrans working on the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Caltrans working on the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Caltrans working on the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Caltrans working on the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project, February 21, 2026.

Bridge Rehabilitation of Central (US 101) and Bayshore (I-80) Viaducts Closure February 20, 2026

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Ramp closed and use next exit signs posted for drivers as Caltrans works on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026

Cars being detoured as Caltrans works on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Caltrans using a hydraulic breaker hammer working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Caltrans using a hydraulic breaker hammer working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Caltrans using a hydraulic breaker hammer working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Caltrans using a hydraulic breaker hammer working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Caltrans using a hydraulic breaker hammer working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Ramp closed sign as Caltrans is working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

Caltrans working on demolition of the 4th Street off-ramp as part of the US-101 Central Freeway and I-80 Freeway Bayshore Viaduct rehabilitation project on February 20, 2026.

FAB 4: Closure of 4th Street Off-Ramp from EB I-80 for US 101 Central/I-80 Bayshore Viaducts Project

Bridge Rehabilitation of Central (US 101) and Bayshore (I-80) Viaducts Image Gallery

Cars on US 101 Central and Bayshore freeway where the Central Freeway Viaduct Rehabilitation work will take place.

Cars traveling on US 101 Central and Bayshore freeway where the Central Freeway Viaduct Rehabilitation work will take place.

Caltrans trucks on US 101 Central and Bayshore freeway where the Central Freeway Viaduct Rehabilitation work will take place.

Cars and motorcycles traveling on US 101 Central and Bayshore freeway where the Central Freeway Viaduct Rehabilitation work will take place.

Cars traveling on US 101 Central and Bayshore freeway where the Central Freeway Viaduct Rehabilitation work will take place.

Cars traveling on US 101 Central and Bayshore freeway where the Central Freeway Viaduct Rehabilitation work will take place.

Cars traveling on US 101 Central and Bayshore freeway where the Central Freeway Viaduct Rehabilitation work will take place.

Stay Informed & Plan Ahead

For updates, project maps, and detour info:
Visit: www.dot.ca.gov | Caltrans Info Line: 1-800-427-7623

Thank you for your patience as we work to improve our roads and infrastructure.

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