Oakland, California Oakland to consistently be listed as one of America's most crime-ridden cities. In 1980 Oakland's black population reached its 20th-century peak at approximately 47% of the overall city population. The 6.9 Loma Prieta earthquake occurred on October 17, 1989. The rupture was related to the San Andreas fault system and affected the entire San Francisco Bay Area with a maximum Mercalli intensity of IX ("Violent"). Many structures in Oakland were badly damaged including the double-decker portion of Interstate 880 that collapsed. The eastern span of the San Francisco–Oakland Bay Bridge also sustained damage and was closed to traffic for one
California State Route 17 in Oakland, destroyed in the 1989 Loma Prieta earthquake) but parts have been redesignated. The section between Interstate 80 and US 101 in San Rafael was renumbered as an extension of Interstate 580. Prior to the redesignation, this part of SR 17 followed Richmond streets, including an expressway called Hoffman Boulevard, to the bridge; a freeway built to Interstate standards was completed in 1990 after the corridor became 580's northwestern leg. Additionally, SR 17 between Interstate 280 in San Jose and the freeway's new northern terminus in Oakland was re-designated as Interstate 880 later that year. Since the late 1990s,