Brooklyn Bridge is one of the oldest suspension bridges in the world and ranked among the completion of the largest steel suspension bridges. The construction is located on the East River and connects New York districts Brooklyn and Manhattan.Brooklyn Bridge construction started in 1869, and May 24, 1883, there was his opening. The structure is made of steel, stone and granite, and cost about 15.1 million dollars. A bridge designed and built an American Architects: John Augustus Roebling and his son Washington Augustus Roebling.
Length of the Brooklyn Bridge is 1,834 meters. The main span is above the water is 486 meters and it spans two pylons with a height of 84 meters. Side spans, which connect the pylons of the banks have 284.5 feet long. The bridge is located 41 meters above the water, it is about 26 meters wide, and its total weight is 14 680 tonnes.
Most support the nearly 1,100-meter four cables that are 40 centimeters in diameter and consist of a bundle of 19 cables, each containing 278 wires. Depth of foundations under water on the side of Brooklyn is 13.5 meters, while the side Manhattan'u - 24 meters.
At the beginning of the bridge served only horse and tram traffic, now has six lanes for cars and sidewalks for pedestrians and cyclists.
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