Clark Bridge
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The Clark Bridge is a cable-stayed bridge across the Mississippi River between West Alton, Missouri and Alton, Illinois, United States. Named after explorer William Clark like the bridge it replaced, the 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, Script error: No such module "convert". replaced the old Clark Bridge, which was only Script error: No such module "convert". wide.[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, and its construction process was documented in the 1997 NOVA episode 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 Script error: No such module "convert". of structural steel; Script error: No such module "convert". of concrete; and more than Script error: No such module "convert". of cable wrapped with Script error: No such module "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.
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References
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- ↑ a b 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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External links
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- Clark Bridge at StructuraeTemplate:EditAtWikidataTemplate:WikidataCheck
- 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
- Pages with script errors
- Pages with broken file links
- Cable-stayed bridges in the United States
- Bridges over the Mississippi River
- Bridges in Greater St. Louis
- Bridges in St. Charles County, Missouri
- Bridges in Madison County, Illinois
- Alton, Illinois
- Bridges completed in 1994
- Bridges of the United States Numbered Highway System
- Road bridges in Illinois
- Road bridges in Missouri
- U.S. Route 67
- Steel bridges in the United States
- Concrete bridges in the United States
- 1994 establishments in Illinois
- 1994 establishments in Missouri
- Interstate vehicle bridges in the United States