18 is a lock and dam located near Gladstone, Illinois and Burlington, Iowa on the Upper Mississippi River around river mile 410.5.

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