# Westbound I-80 Closure in San Francisco

> Westbound I-80 near Bay Bridge closes this weekend for construction.
- Title: Westbound I-80 Closure in San Francisco · NBC Bay Area
- Summary: Westbound I-80 near Bay Bridge closes this weekend for construction. Westbound I-80 in San Francisco near the Bay Bridge will close Friday night to Monday…
- Keywords: san francisco, caltrans, i-80, bay bridge, construction, polyester concrete, news, local, Westbound, Closure, San, Francisco
- Source: NBC Bay Area — https://nbcbayarea.com/news/local/westbound-80-san-francisco-weekend-closure/4162900
- Published: 2026-10-22T18:28:17+00:00
- Read time: 1 min
- Topics: san francisco, caltrans, i-80, bay bridge, construction, polyester concrete, news, local
## Westbound I-80 Closure
Westbound Interstate 80 in San Francisco near the Bay Bridge will close this weekend for a construction project.
## Closure Dates and Times
The closure starts at 11 p.m. Friday and ends at 6 a.m. Monday.
## Detour Options
Motorists should avoid the Bay Bridge; alternate routes include public transport or San Mateo, Dumbarton, or Richmond-San Rafael bridges.
## Key takeaway

Westbound I-80 in San Francisco near the Bay Bridge will close Friday night to Monday morning for a construction project to place polyester concrete on the Bayshore freeway deck.