Ōta River Bridge
Bridge in Hiroshima, Japan From Wikipedia, the free encyclopedia
The Ōta River Bridge (Japanese: 太田川大橋, also rendered in rōmaji as Otagawaohashi, also called Otagawa Bridge or Otagawa Ohashi Bridge) is a bridge on the Ōta River in Hiroshima, Japan. It is the southernmost of all the crossings of the Ōta River and carries Route 3 (the Hiroshima Minami Route) of the Hiroshima Expressway.
Ōta River Bridge | |
|---|---|
 | |
| Coordinates | 34°22′30″N 132°25′05″E |
| Carries | Hiroshima Expressway Route 3 |
| Crosses | Ōta River |
| Locale | Hiroshima, Japan |
| Characteristics | |
| Design | Composite box girder/arch bridge |
| Total length | 412 m (1,352 ft)[1] |
| Width | 12.5–16.2 m (41–53 ft)[1] |
| Longest span | 116 m (381 ft) (×2) [1][2] |
| Clearance below | Less than 12 metres (39 ft) at mid-span[a] |
| History | |
| Opened | March 2014 |
| Location | |
 | |
A decision to build a bridge as part of the expressway system was made in 2004.[3]: 3 A design competition committee was formed in late 2008 and received entries from 18 Japanese and three international firms. The winning design by Kenichi Nishiyama of Eight-Japan Engineering Consultants collaborating with Yoko Kabaki, Akiyoshi Nii, and Hitoshi Okamura, was selected in July, 2009.[4][5]
The bridge was built by Shimizu Corporation and finished in 2014.[6] The bridge design had to comply with height restriction laws due to its proximity to Hiroshima–Nishi Airport.[2]
The bridge, a composite prestressed concrete continuous rigid frame box girder with steel arch bridge stiffener,[2] won the Japan Society of Civil Engineers Tanaka Award.[7]
- Based on height to pilings under riverbed[2]: fig. 4
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