Lock and Dam No. 18

40°52′54″N 91°01′27″W / 40.88167°N 91.02417°W / 40.88167; -91.02417Construction began1934Opening dateSeptember 8, 1937Operator(s) U.S. Army Corps of Engineers, Rock Island DistrictDam and spillwaysImpoundsUpper Mississippi RiverLength1,350 feet (411.5 m)ReservoirCreatesPool 18Total capacity90,000 acre⋅ft (0.11 km³)Catchment area113,600 sq mi (294,000 km²) Location1.5 mi. N of unnamed cty rd. from Gladstone, Gladstone, IllinoisArea204.9 acres (82.9 ha)Built1937ArchitectUS Army Corps of Engineers; Abbott, Edwin E., Et al.MPSUpper Mississippi River 9-Foot Navigation Project MPSNRHP reference No.04000178^[1]Added to NRHPMarch 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.

In March 2009, local officials started discussing plans to install a hydroelectric generating plant on the dam.^[2]

• Public Works Administration dams list

Media related to Mississippi River Lock and Dam number 18 at Wikimedia Commons

• 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"
• Lock and Dam No. 18 - U.S. Army Corps of Engineers