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Brooklyn Bridge
The Brooklyn Bridge is a bridge in New York City and is one of the oldest suspension bridges in the United States. Completed in 1883, it connects the boroughs of Manhattan and Brooklyn by spanning the East River. With a main span of 1,595.5 feet (486.3 m), it was the longest suspension bridge in the world from its opening until 1903, and the first steel-wire suspension bridge.
Originally referred to as the New York and Brooklyn Bridge and as the East River Bridge, it was dubbed the Brooklyn Bridge, a name from an earlier January 25, 1867, letter to the editor of the Brooklyn Daily Eagle,[7] and formally so named by the city government in 1915. Since its opening, it has become an icon of New York City, and was designated a National Historic Landmark in 1964 and a National Historic Civil Engineering Landmark in 1972.
Manhattan Bridge
The Manhattan Bridge is a suspension bridge that crosses the East River in New York City, connecting Lower Manhattan (at Canal Street) with Brooklyn (at Flatbush Avenue Extension). It was the last of the three suspension bridges built across the lower East River, following the Brooklyn and the Williamsburg bridges. The bridge was opened to traffic on December 31, 1909 and was designed by Leon Moisseiff,[1] who later designed the infamous original Tacoma Narrows Bridge that opened and collapsed in 1940. It has four vehicle lanes on the upper level (split between two roadways). The lower level has three lanes, four subway tracks, a walkway and a bikeway. The upper level, originally used for streetcars, has two lanes in each direction, and the lower level is one-way and has three lanes in peak direction. It once carried New York State Route 27 and later was planned to carry Interstate 478. No tolls are charged for motor vehicles to use the Manhattan Bridge.
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Williamsburg Bridge
The Williamsburg Bridge is a suspension bridge in New York City across the East River connecting the Lower East Side of Manhattan at Delancey Street with the Williamsburg neighborhood of Brooklyn at Broadway near the Brooklyn-Queens Expressway (Interstate 278). It once carried New York State Route 27A and was planned to carry Interstate 78, though these plans were aborted by the cancellation of the Lower Manhattan Expressway and Bushwick Expressway.
This is one of four toll-free crossings between Manhattan and Brooklyn or Queens.
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Queensboro Bridge
The Queensboro Bridge, also known as the 59th Street Bridge – because its Manhattan end is located between 59th and 60th Streets – and officially titled the Ed Koch Queensboro Bridge, is a cantilever bridge over the East River in New York City that was completed in 1909. It connects the neighborhood of Long Island City in the borough of Queens with Manhattan, passing over Roosevelt Island. It carries New York State Route 25 and is the westernmost of the four East River spans that carry a route number: NY 25 terminates at the west (Manhattan) side of the bridge, which once carried NY 24 and NY 25A as well. The bridge is flanked on its northern side by the freestanding Roosevelt Island Tramway. In December 2010, the bridge was renamed in honor of former New York City mayor Ed Koch.
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Roosevelt Island Bridge
The Roosevelt Island Bridge is a lift bridge that connects Roosevelt Island in Manhattan to Astoria in Queens, crossing the East Channel of the East River. It is the sole route to the island for vehicular and foot traffic (without using public transportation). Construction of the bridge began on March 17, 1952, at a cost of $6.5 million. It opened on May 18, 1955, as the Welfare Island Bridge.The name was changed to the Roosevelt Island Bridge in 1973. When the bridge is open it provides ships with 100 feet (30 m) of vertical clearance. It is 40 feet (12 m) wide, and its total length, including approaches, is 2,877 feet (877 m). The main span is 418 feet (127 m).
Before the bridge was constructed, the only way vehicles could access Roosevelt Island was via an elevator on the Queensboro Bridge. The Roosevelt Island Bridge provides direct access to the Motorgate Parking Garage, which was designed to minimize vehicular traffic on the island. The garage was completed in 1974 and later expanded in 1990.
In 2001, the New York City Department of Transportation considered converting the Roosevelt Island Bridge into a fixed bridge to reduce the cost of its maintenance. The bridge is rarely opened, because most vessels passing by Roosevelt Island use the West Channel of the East River. Most of the bridge openings occur in September during the General Assembly at the United Nations when the West Channel is closed for security reasons
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