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General Information

Name in local language: 多々羅大橋 (Tatara Ōhashi)
Beginning of works: 1993
Completion: 1 May 1999
Status: in use

Project Type

Location

Location: , ,
, ,
Part of:
Coordinates: 34° 15' 28.63" N    133° 3' 18.34" E
Coordinates: 34° 15' 40.47" N    133° 4' 19.76" E
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Technical Information

Dimensions

main span 890 m
total length 1 480 m
span lengths 270.0 m - 890.0 m - 320.0 m
clearance 26.0 m
walkway width 5.0 m
vertical navigation clearance 26 m
deck deck width 30.6 m
pylons pylon height 220.0 m

Cost

cost of construction ca. Japanese yen 140 000 000 000

Materials

cables steel
deck composite
pylons reinforced concrete

Excerpt from Wikipedia

The Tatara Bridge (多々羅大橋, Tatara Ōhashi) is a cable-stayed bridge that is part of the Nishiseto Expressway, commonly known as the Shimanami Kaidō しまなみ海道. The bridge has a center span of 890 metres (2,920 ft). As of 2010 it has the fourth longest main span of any cable-stayed bridge after the Sutong Bridge. The expressway is a series of roads and bridges that is one of the three routes of the Honshū-Shikoku Bridge Project connecting the islands of Honshū and Shikoku across the Seto Inland Sea in Japan. The Kurushima-Kaikyō Bridge is on the same route.

The bridge, which opened on May 1, 1999, carries two lanes of traffic in each direction and has additional lanes for bicycles, motor bikes, and pedestrians.

The Tatara Bridge was originally planned as a suspension bridge in 1973. In 1989, the design was changed to a cable-stayed bridge with the same span. By building a cable-stayed bridge a large excavation for an anchorage would not be needed, thereby lessening the environmental impact on the surrounding area. The steel towers are 220 metres (722 ft) high and shaped like an inverted Y. The side-spans are 164.5 metres (540 ft) and 257.5 metres (845 ft) respectively, and there are also three very small cable spans.

Construction of the bridge took a little more than six years and was accomplished without any accidents. Many technological advancements were part of the design and testing of the bridge.

Text imported from Wikipedia article "Tatara Bridge" and modified on 18 May 2020 according to the CC-BY-SA 3.0 license.

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More publications...
  • About this
    data sheet
  • Structure-ID
    20000075
  • Published on:
    28/10/1998
  • Last updated on:
    28/11/2018