4 ms·

Let's not forget 1989 Loma Prieta quake that caused the top deck of the bay bridge to collapse. https://en.wikipedia.org/wiki/1989_Loma_Prieta_earthquake https:

• mike_d 3y ago
  Which was actually a lot less dramatic than how people seem to remember it. A 70 foot section disconnected at one end. https://en.m.wikipedia.org/wiki/File:Bay_Bridge_collapse.jpg https://en.m.wikipedia.org/wiki/File:Bay_Bridge_collapse.jpg Freeway construction has changed a lot since the 70s and 80s. We now use ductile concrete that can flex without breaking, do extensive soil analysis for footings, and add seismic isolation systems in high risk areas.
  • sbuttgereit 3y ago
    Perhaps, but the Nimitz Freeway probably makes a better example for what the commenter you were responding to was getting at: "The highest number of deaths, 42, occurred in Oakland because of the collapse of the Cypress Street Viaduct on the Nimitz Freeway (Interstate 880), where the upper level of a double-deck portion of the freeway collapsed, crushing the cars on the lower level, and causing crashes on the upper level." (https://web.archive.org/web/20090707140922im_/http://home.pacbell.net/hywaymn/images/Cypress_Freeway_1989.jpg https://web.archive.org/web/20090707140922im_/http://home.pa...)