Lock and Dam No. 25 - Credit: Wikimedia Commons
Lock and Dam No. 25 is a lock and dam located near Winfield, Missouri, on the Upper Mississippi River around river mile 241.4. The movable portion of the dam is long and consists of three roller gates and 14 tainter gates. A submersible dike extends to the Illinois shore. A long dike is part of the facility extending upstream on the Missouri side of the river. The main lock is wide by long.Lock and Dam No. 25 - U.S. Army Corps of Engineers In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 25 Historic District, #04000184 covering , 2 buildings, 7 structures, 2 objects. Read more on Wikipedia
Source: en.wikipedia.org