The Minato Bridge is a double-deck cantilever truss bridge in Osaka, Japan; upper deck is for Hanshin Expressway Route 16 Osakako Line, and lower deck is Route 5 Bayshore Line. It opened in 1974. It is the third-longest cantilever truss span in the world, behind the Quebec Bridge and the Forth Bridge.[2]
Minato Bridge 港大橋 | |
|---|---|
 | |
| Coordinates | 34°38′39″N 135°26′15″E / 34.644069°N 135.437629°E |
| Carries | vehicular traffic |
| Locale | Osaka, Japan |
| Maintained by | Hanshin Expressway Company, Limited |
| Characteristics | |
| Design | double-deck cantilever truss bridge[1] |
| Material | High-strength steel[2] |
| Total length | 983 metres (3,225 ft)[1] |
| Width | 22.5 metres (74 ft) (deck)[1] |
| Longest span | 1 × 510 metres (1,670 ft) 2 × 235 metres (771 ft)[2] |
| Clearance below | 51 metres (167 ft)[2] |
| History | |
| Construction end | 1973[1] |
| Construction cost | US$117 million[3] |
| Opened | 1974[1][2] |
| Location | |
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Designs including arch and suspension elements were eliminated from consideration due to poor subsoil conditions of alternating layers of clay and gravel. Instead, the designers selected a cantilever structure using high-strength steel, to reduce mass.[2]
Construction
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See also
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Wikimedia Commons has media related to Minato Bridge.
- ^ a b c d e Minato Bridge at Structurae. Retrieved 2009-04-01.
- ^ a b c d e f Bridges 2009 (calendar). Reston, Virginia: American Society of Civil Engineers (ASCE). 2008. pp. April featured bridge. ISBN 978-0-7844-1001-1.
- ^ "Construction Facts - The Sourcebook of Statistics, Records and Resources" (PDF), Engineering News Record, vol. 251, Number 20a, McGraw Hill, November 2003, retrieved 9 August 2014
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