Minato Bridge

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Minato Bridge

港大橋
Minato Bridge 1181902.jpg
Coordinates 34°38′39″N135°26′15″E / 34.644069°N 135.437629°E / 34.644069; 135.437629 (Minato Bridge)
Carriesvehicular traffic
Locale Osaka, Japan
Maintained by Hanshin Expressway Company, Limited
Characteristics
Designdouble-deck cantilever truss bridge [1]
MaterialHigh-strength steel [2]
Total length983 metres (3,225 ft) [1]
Width22.5 metres (74 ft) (deck) [1]
Longest span1 × 510 metres (1,670 ft)
2 × 235 metres (771 ft) [2]
Clearance below 51 metres (167 ft) [2]
History
Construction end1973 [1]
Construction costUS$117 million [3]
Opened1974 [1] [2]
Location
Minato Bridge

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]

Contents

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

See also

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Minato is Japanese for 'harbor', and may refer to:

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References

  1. 1 2 3 4 5 Minato Bridge at Structurae . Retrieved 2009-04-01.
  2. 1 2 3 4 5 6 Bridges 2009 (calendar). Reston, Virginia: American Society of Civil Engineers (ASCE). 2008. pp. April featured bridge. ISBN   978-0-7844-1001-1.
  3. "Construction Facts - The Sourcebook of Statistics, Records and Resources" (PDF), Engineering News Record, McGraw Hill, vol. 251, Number 20a, November 2003, retrieved 9 August 2014