One the nation’s top constructors of marine infrastructure, Kienlen specializes in new construction, rehabilitation, and repair of bridges, locks, dams, levees, ports, dock/load-out facilities, and hydroelectric power plants on U.S. inland waterways. Our marine equipment fleet includes spud barges, work platforms, flat deck barges, personnel carriers, sectional barges, and pontoons. We also maintain port facilities on the Mississippi and Illinois Rivers that are used to transport key equipment, material, and preassembled modules.