San Francisco-Oakland Bay Bridge

Ranked #24 on the list Best Bridge of All Time

7.75
Based on 4 votes

About San Francisco-Oakland Bay Bridge

  • Body Of Water Spanned: San Francisco Bay
  • Bridge Type: Suspension bridge
  • Locale: San Francisco

The San Francisco – Oakland Bay Bridge (known locally as the Bay Bridge) is a pair of bridges spanning San Francisco Bay of California, in the United States. As part of Interstate 80 and the direct road route between San Francisco and Oakland, it carries approximately 270,000 vehicles per day on its two decks. It has one of the longest spans in the world. The toll bridge was conceived as early as the gold rush days, but construction did not begin until 1933. Designed by Charles H. Purcell, and built by American Bridge Company, it opened for traffic on November 12, 1936, six months before the Golden Gate Bridge. It originally carried automobile traffic on its upper deck, and trucks and trains on the lower, but after the closure of the Key System, the lower deck was converted to road traffic as well. In 1986, the bridge was unofficially dedicated to James B. Rolph. The bridge consists of two main spans of roughly equal length, a western span connecting downtown San Francisco to Yerba Buena Island and an eastern span connecting the island to Oakland. The main part of the western span is a suspension bridge while the main part of the eastern span is a cantilever bridge. During the 1989

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