Record: 1219 m
Main Span Record: 277 m
Clearance below Record: 27 mThe Jefferson Barracks Bridge, officially the Jefferson Barracks Memorial Arch Bridge, is a pair of bridges across the Mississippi River on the south side of St. Louis, Missouri metropolitan area. Each bridge is 3,998 feet (1,219 m) long with a 909-foot (277 m) long arch bridge spanning the shipping channel. The northern bridge was built in 1983, and the southern opened in 1992. A delay occurred during the construction of the southern bridge when a crane dropped a section of it into the river and it had to be rebuilt.