Lock and Dam No. 18

Mississippi River Lock and Dam number 18
Location	Tama Township, Des Moines County, Iowa / Gladstone Township, Henderson County, Illinois, near Gladstone, Illinois, USA
Coordinates
Construction began	1934
Opening date	September 8, 1937
Operator(s)	United States Army Corps of Engineers
Dam and spillways
Impounds	Upper Mississippi River
Length	1,350 feet (411.5 m)
Reservoir
Creates	Pool 18
Total capacity	90,000 acre·ft (0.11 km3)
Catchment area	113,600 sq mi (294,000 km2)
Lock and Dam No. 18 Historic District
U.S. National Register of Historic Places
U.S. Historic district
Location	1.5 mi. N of unnamed cty rd. from Gladstone, Gladstone, Illinois
Area	204.9 acres (82.9 ha)
Built	1937
MPS	Upper Mississippi River 9-Foot Navigation Project MPS
NRHP Reference #	04000178
Added to NRHP	March 10, 2004

Lock and Dam No. 18 is a lock and dam located near Gladstone, Illinois and Burlington, Iowa on the Upper Mississippi River around river mile 410.5. The movable dam is 1,350 feet (411.5 m) and consists of 3 roller gates and 14 tainter gates. The lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) long. In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 18 Historic District, #04000178 covering 2,049 acres (8.3 km²), 1 building, 4 structures and 4 objects.

Hydroelectric plant

In March 2009, local officials started discussing plans to install a hydroelectric generating plant on the dam.

External links

• Historic American Engineering Record (HAER) No. IL-29, "Mississippi River 9-Foot Channel Project, Lock & Dam No. 18, Upper Mississippi River, Gladstone, Henderson County, IL"