Lock & Dam 25 – Gates & Service Bridge Painting and Repair

Originally constructed in 1939, Lock and Dam 25 is listed on the National Register of Historic Places. Kienlen is performing major repairs and upgrades to 14 60-foot tainter gates, three 100-foot roller gates, and a service bridge on the 1,296-foot-long dam. The project allows the lock and dam to continue providing the safe transportation of […]

St. Louis Flood Gate Rehabilitation

Kienlen Constructors was selected by the U.S. Army Corps of Engineers for the St. Louis Flood Gate Rehabilitation Project. The Kienlen team was responsible for installing new flood gates and permanent closure structures to protect the riverfront against flooding from the Mississippi River. Self-performing nearly the entire project, Kienlen’s scope of work included demolition of […]