In 1989, part of this city's Nimitz Freeway collapsed as the result of an earthquake
[DOC] [TLE] Cypress Street Viaduct - Wikipedia [PAR] The Cypress Street Viaduct, often referred to as the Cypress Structure, was a 1.6 
mile long, raised two-tier, multi-lane (four lanes per deck) freeway constructed of 
reinforced concrete that was originally part of the Nimitz Freeway (State ... On 
October 17, 1989, the portion of the structure from 16th Street north all the way to 
the... [DOC] [TLE] San Francisco-Oakland earthquake of 1989 | United States ... [PAR] Dec 23, 2015 ... Major earthquake that struck the San Francisco Bay Area, California, U.S., on ... 
Aerial view of the collapsed section of the Bay Bridge following the San Francisco
Oakland  ...