elevated freeway and railroad


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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.­

More images of ▶ 280 caltrain columns concrete dog patch elevated freeway infrastructure pillars railroad tracks rails railway tracks urban
Unclassified Photos (San Francisco) Industrial Photography
Southern Embarcadero Fwy, San Francisco, CA 94107, USA