Melvin Price Locks and Dam
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Melvin Price Locks and Dam | |
Melvin Price Locks and Dam (Lock and Dam number 26) |
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Impounds | Upper Mississippi River |
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Creates | Pool 26 |
Maintained by | United States Army Corps of Engineers |
Length | 1,160 feet (353.6 m) |
Construction began | 1978 |
Opening date | 1989 |
Geographical Data | |
Coordinates | |
Melvin Price Locks and Dam is a dam and two locks at river mile 200.78 on the Upper Mississippi River, not far north of Saint Louis, Missouri. The collocated National Great Rivers Museum, at 1 Lock and Dam Way, East Alton, Illinois, explains the structure and its engineering.
Construction began in 1979, the main lock opened in 1990, and the full structure was completed in 1994. It replaced the earlier Lock and Dam No. 26, demolished in 1990, and is the first replacement structure on the Upper Mississippi River nine-foot navigation project. The main lock is 1,200 feet long and 110 feet wide; the auxiliary is 600 feet long and 110 feet wide. The main lock has a vertical lift gate and a miter gate while the aux. lock has two miter gates. The dam is 1,160 feet long with 9 tainter gates, each 110 feet wide by 42 feet high.
It is named after Illinois Congressman Charles Melvin Price.
[edit] External links
- USACE Melvin Price Locks and Dam
- HAER - Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26R, Alton vicinity, Madison County, IL
Locks and dams of the Upper Mississippi River | |
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USAF • LSAF • 1 • 2 • 3 • 4 • 5 • 5A • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 24 • 25 • 26 • 27 | |
Upstream: Lock and Dam No. 25 |
Downstream: Chain of Rocks Lock |