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.

How long did it take to build Bay Bridge?

Altogether, construction of the San Francisco-Oakland Bay Bridge took a little over three years. Astonishingly, at least in terms of modern construction projects, the work was completed six months ahead of schedule, and under budget.

Which Bay Bridge built first?

Bay Bridge (original): Oakland-San Francisco, 8.25 miles, opened in 1936, $1.3 billion, three years and seven months. George Washington Bridge: New York, 0.9 miles, opened 1931, $1.1 billion, four years.