Top 20: Longest suspension bridges in the world
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Top 20: Longest suspension bridges in the world
"Perhaps the most famous suspension bridge in the world, the Golden Gate Bridge connects San Francisco and Marin County, California, in the US. As well as being the most recognisable suspension bridge to most people, the Golden Gate Bridge is the oldest of its type in this list. Built in 1937, it was built to replace a ferry service across the bay and work began in 1933. It took four years to complete and opened on 27 May 1937."
"The Narrows is a stretch of water that runs between Staten Island and Brooklyn in New York. To span this, the Verrazzano-Narrows suspension bridge was started in 1959 and completed five years later. That completion date was for the upper level of this bridge, which has a second lower level to double its capacity for carrying traffic. Each day, the Verrazzano-Narrows Bridge today carries 202,000 vehicles, reaching a maximum height of 211 metres (693ft) above the harbour."
Suspension bridges are among the most imposing and inspiring structures in the world. Their engineering and design enable spans of vast lengths, often in regions with seismic activity. The list ranks the twenty longest suspension bridges in ascending order of length, noting construction dates, dimensions, and maintenance challenges. The Golden Gate Bridge (1280 metres) opened in 1937, replaced a ferry, used 1.2 million rivets, is painted International Orange, and required a deck replacement from 1982 to 1986 due to salt-driven corrosion from thick fog. The Verrazzano-Narrows Bridge (1298 metres) spans the Narrows between Staten Island and Brooklyn, opened in the mid-1960s, features dual levels, and carries about 202,000 vehicles daily, rising 211 metres above the harbour.
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