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A 2,500% budget overrun: the story of the Bay Bridge's dramatic cost inflation from $250M to $6.5B

The pricey new Eastern span of the San Francisco-Oakland Bay Bridge (via businesswire) The upper deck of the Bay Bridge collapsed onto the lower deck after the Loma Prieta earthquake in San Francisco in 1989. (AP Photo/George Nikitin via CityLab)

The upper deck of the Bay Bridge collapsed onto the lower deck after the Loma Prieta earthquake in San Francisco in 1989. (AP Photo/George Nikitin via CityLab)

The upper deck of the Bay Bridge collapsed onto the lower deck after the Loma Prieta earthquake in San Francisco in 1989. (AP Photo/George Nikitin via CityLab)