The Cosco Busan oil spill occurred at 08:30 UTC-8 on 7 November 2007 between San Francisco and Oakland, California, in which 53,569 US gal (202,780 L) of IFO-380 heavy fuel oil, sometimes referred to as "bunker fuel", spilled into San Francisco Bay after the container ship Cosco Busan, operated by Fleet Management Limited struck Delta Tower of the San Francisco–Oakland Bay Bridge in thick fog.
The damaged MV Cosco Busan after colliding with the bridge tower fender
Cosco Busan laid up at Pier 70 for repairs. Next to it is the SS Oceanic.
Containment booms languish about the shores and wetlands of Crissy Field.
A Contra Costa county sign in Richmond Marina Bay warns of shoreline closure due to oil contamination.
The San Francisco–Oakland Bay Bridge, known locally as the Bay Bridge, is a complex of bridges spanning San Francisco Bay in California. As part of Interstate 80 and the direct road between San Francisco and Oakland, it carries about 260,000 vehicles a day on its two decks. It includes one of the longest bridge spans in the United States.
The western section of the bridge, seen in 2022. Part of the eastern section can be seen near Yerba Buena Island to the left.
Sketch of the proposed "Rush San Francisco Trans-Bay Suspension Bridge" (1913)
Preliminary layout studies for the bridge, with Figures "H", and "P" selected as the final construction choice for western and eastern sections
The Bay Bridge under construction at Yerba Buena Island in 1935