Английская Википедия:Clark Bridge
Шаблон:Short description Шаблон:About Шаблон:Infobox Bridge
The Clark Bridge is a cable-stayed bridge across the Mississippi River between West Alton, Missouri and Alton, Illinois. Named after explorer William Clark like the bridge it replaced, the cable-stayed bridge opened in 1994. It carries U.S. Route 67 across the river. It is the northernmost river crossing in the St. Louis metropolitan area.
The new $85 million, Шаблон:Convert replaced the old Clark Bridge, which was only Шаблон:Convert.[1] The truss bridge was built in 1928. The new bridge carries two lanes of divided traffic in each direction, as well as two bike lanes. The old bridge carried only two lanes (similar to the upstream Champ Clark Bridge).
The bridge is sometimes referred to as the Super Bridge. Its construction was featured in a NOVA documentary entitled Super Bridge, which highlighted the challenges of building the bridge, especially during the Great Flood of 1993. Designed by Hanson Engineers under contract to Illinois Department of Transportation (DOT), the Clark Bridge was the first in the United States in which "such a light steel-framed cable-stayed design was combined with a cable saddle type of pylon".[1] The bridge used Шаблон:Convert of structural steel; Шаблон:Convert of concrete; and more than Шаблон:Convert of cable wrapped with Шаблон:Convert of yellow plastic piping.[2]
See also
Gallery
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The Clark Bridge. View is upriver to the northwest from the Melvin Price Locks below the bridge
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Clark Bridge as seen from the Missouri side of the Mississippi
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Clark Bridge seen from the Alton Marina
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Clark Bridge at Alton, Illinois from the Missouri side.
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View of the Clark Bridge spanning the Mississippi River from the Alton, Illinois side
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Clark Bridge at night; taken from the Ellis Island Bird Sanctuary, West Alton, Missouri.
Шаблон:Crossings navbox Шаблон:Structures in Greater St. Louis
References
External links
- Шаблон:Structurae
- David Goodyear and Ralph Salamie, "The Clark Bridge", from Civil Engineering, August 1994
- "Super Bridge", PBS, Companion page for NOVA episode
- "Super Bridge", PBS Nova episode, replay of full episode on Archive.org
- ↑ 1,0 1,1 David Goodyear and Ralph Salamie, "The Clark Bridge", Civil Engineering, August 1994, accessed 4 August 2009
- ↑ "Clark Bridge - Alton, Illinois", Alton Web, accessed 4 August 2009
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