Kurushima Kaikyō Bridge
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The , which connects the island of Ōshima to the main part of
Shikoku is the smallest of the List of islands of Japan#Main islands, four main islands of Japan. It is long and between at its widest. It has a population of 3.8 million, the least populated of Japan's four main islands. It is south of Honshu ...
, was the world's longest
suspension bridge A suspension bridge is a type of bridge in which the deck (bridge), deck is hung below suspension wire rope, cables on vertical suspenders. The first modern examples of this type of bridge were built in the early 1800s. Simple suspension bridg ...
structure when completed, in 1999. The bridge is part of the
Shimanami Kaidō The , often called the , is an expressway in Japan that connects Onomichi, Hiroshima and Imabari, Ehime, going through nine of the Geiyo Islands, including Ōshima, Ehime, Ōshima, Ōmishima Island, Ehime, Ōmishima, and Innoshima, Hiroshima, Inn ...
, an expressway that spans a series of islands and connects Hiroshima Prefecture in Honshū to
Ehime Prefecture is a Prefectures of Japan, prefecture of Japan located on the island of Shikoku. Ehime Prefecture has a population of 1,334,841 and a geographic area of 5,676 km2 (2,191 sq mi). Ehime Prefecture borders Kagawa Prefecture to the northeast, Toku ...
in Shikoku, which is the smallest of Japan's four main islands. The bridge and the expressway were both conceived by the Honshū-Shikoku Bridge Project.


Construction

The Kurushima Kaikyō Bridge consists of three successive suspension bridges with six towers and four anchorages. There is a shared anchorage that joins each suspension bridge to the next. Its construction is similar to the western portion of
San Francisco–Oakland Bay Bridge The San Francisco–Oakland Bay Bridge, commonly referred to as the Bay Bridge, is a complex of bridges spanning San Francisco Bay in California. As part of Interstate 80 in California, Interstate 80 and the direct road between San Francisco an ...
which is two successive suspension bridges with four towers and one shared anchorage. The bridge's total length of , is just a little longer than the total length of the two-tower
Akashi Kaikyō Bridge The is a suspension bridge that links the city of Kobe on the Japanese island of Honshu and on Awaji Island. It is part of the Kobe-Awaji-Naruto Expressway, and crosses the busy and turbulent Akashi Strait (''Akashi Kaikyō'' in Japanese). ...
, which is . * , main span , ranks 63rd largest two tower suspension bridge * , main span , ranks 26th largest * , main span , ranks 25th largest


See also

*
Akashi Kaikyō Bridge The is a suspension bridge that links the city of Kobe on the Japanese island of Honshu and on Awaji Island. It is part of the Kobe-Awaji-Naruto Expressway, and crosses the busy and turbulent Akashi Strait (''Akashi Kaikyō'' in Japanese). ...
*
Great Seto Bridge The is a series of double deck bridges connecting Okayama and Kagawa prefectures in Japan across a series of five small islands in the Seto Inland Sea. Built over the period 1978–1988, it is one of the three routes of the Honshū–Shikoku ...
*
List of longest suspension bridge spans The world's longest suspension bridges are listed according to the length of their main span (i.e., the length of suspended roadway between the bridge's towers). The length of the main span is the most common method of comparing the sizes of ...


References


External links


Kurushima Kaikyō Bridge home page


* * * {{DEFAULTSORT:Kurushima-Kaikyo Bridge 1999 establishments in Japan Bridges completed in 1999 Transport buildings and structures in Ehime Prefecture Roads in Ehime Prefecture Suspension bridges in Japan