seismic retrofit of elevated freeway
280
columns
concrete
dog patch
elevated freeway
infrastructure
pillars
urban
Columns supporting the 280 Freeway in the Dog Patch neighborhood of San Francisco.
The columns have been braced with steel sleeves for seismic retrofit. This gives them more resistance to compression stress in case of an earthquake.
Location: Southern Embarcadero Fwy, San Francisco, CA 94107, USA -
] "View the most popular photos people are watching now, in real time!"){kind=small}