Triborough Bridge

40.78 - 73.926666666667Koordinaten: 40 ° 46 '48 " N, 73 ° 55' 36 " W

F1

Interstate 278

East River, Harlem River, Bronx Kill

The Robert F. Kennedy Memorial Bridge is the name for a group of three bridges connecting the New York City Districts Bronx, Manhattan and Queens. The original name of the bridge was the Triborough or Triboro Bridge, but was renamed on 19 November 2008 to commemorate the former New York Senator Robert F. Kennedy.

Description

Seen from Queens bridge a suspension bridge from the Hellgate said arm of the East River and transferred to Interstate 278 to the two interconnected islands by reclaiming Wards and Randalls Iceland Iceland. On Randalls Iceland the road splits into a -turning westward track that on a lift bridge the Harlem River to Manhattan crosses ( for E 125th Street ), and in the further leading north I- 278 on a truss bridge over the narrow Bronx Kill crosses the Bronx.

History

Construction began on 25 October 1929 just one day after Black Thursday with his great stock market crash that triggered the Great Depression. Work on the bridge were adjusted for lack of money beginning 1930. 1933 was appointed head of the Triborough Bridge Authority Mayor Fiorello LaGuardia of Robert Moses, which had been established to continue the construction of the bridge with funds from the New Deal and exit. Robert Moses made ​​sure that Othmar Ammann, who had just completed the George Washington Bridge before, was also ordered to serving as director of the Port Authority of New York and New Jersey to the chief engineer of the Triborough Bridge Authority. Ammann simplified the bridge, while striking out the planned second level, providing for a conventional stiffened by truss bridge deck for eight lanes and the pylons carrying cables and planned accordingly easier.

The opening of the bridge took place on 11 July 1936. Overall, the Triborough Bridge, including all driveways, ramps and connecting bridges, distribution cost structures etc. more than the Hoover Dam.

The concrete for the construction was supplied by companies from Maine through to the Mississippi River. To prepare the formwork for the bridge, a whole forest in Oregon was like.

1986 was included in the List of Historic Civil Engineering Landmarks the Triborough Bridge Project of the American Society of Civil Engineers.

Toll

The bridges are toll roads. The cost for this amount in 2013, with a two-axle cars, to $ 7.50 in cash or to 5.33 U.S. dollars with an EZ Pass. The proceeds of these and other bridges are managed by the Triborough Bridge and Tunnel Authority ( TBTA ), but the owner of the bridge is the city of New York. In 2002 alone, the revenue of the TBTA amounted to 933.1 million U.S. dollars. On average, the bridge of 200,000 vehicles per day is busy. Due to the revenue of the TBTA, it is possible to subsidize public transport.

Bridge parts

Suspension bridge over the East River

  • Span pylon to pylon: 421 m
  • Span pylon to shore: 213 m
  • Length between the anchor blocks: 847 m
  • Width of the bridge: 30 m
  • Lanes: 8
  • Height of the pylons: 96 m
  • Clear height above MHW: 44 m

Lift bridge over the Harlem River

  • Span of the lifting element (between the Hubtürmen ): 94 m
  • Span of the fixed bridge part ( lift tower to shore ): 70 m
  • Length between the abutments: 235 m
  • Height of the lifting towers: 64 m
  • Clear height above MHW, reduced: 17 m
  • Clear height above MHW, lifted 41 m
  • Lanes: 6

Bronx Kills Bridge

  • Span of the middle truss: 117 m
  • Length of the Directions: 371 m
  • Length between the abutments: 488 m
  • Clear height above MHW: 17 m
  • Lanes: 8
Hell Gate Wards Island Great Depression in the United States July 11 Mean High Water Metropolitan Transportation Authority (New York)
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