Lock and Dam No. 24
Lock and Dam No. 24 is a lock and dam located near Clarksville, Missouri around river mile 273.4 on the Upper Mississippi River. The main lock is wide and long with its bottom at an elevation of 430 feet. The auxiliary lock is not operational. Normal pool elevation behind the dam is 449 feet. The movable portion of the dam is long and consists of 15 submersible, elliptical, tainter gates. A submersible earthen dike extends from the movable dam to the Illinois shore. In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 24 Historic District, #04000183 covering, 3 buildings, 15 structures, 4 objects.
