Construction Resolved

Caltrans : Bridge work on I-280 Southbound entering at Mariposa St (San Francisco). On Ramp closed until midnight. From 9:00 PM Monday, September 21, 2026 to 12:00 AM Tuesday, September 22, 2026.

A construction was reported on I-280 S near San Francisco on September 22, 2026 at 4:01 AM.

Road

I-280 S

Area

San Francisco

Address

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Started

Sep 21, 9:01 PM

Last Updated

1 month ago

Sep 21, 11:15 PM

Resolved

Sep 22, 5:15 AM

Coordinates

37.7618, -122.3926

Update History

1 observations

Caltrans : Bridge work on I-280 Southbound entering at Mariposa St (San Francisco). On Ramp closed until midnight. From 9:00 PM Monday, September 21, 2026 to 12:00 AM Tuesday, September 22, 2026. Sep 21, 11:15 PM

Source: 511_sfbay · ID 511.org/1552793 First seen Sep 21, 2026 11:15 PM

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