Old River Control Structure Old River Control Structure The Old River Control Structure is a floodgate system in a branch of the Mississippi River in central Louisiana. It regulates the flow of water leaving the Mississippi into the Atchafalaya River, thereby preventing the Mississippi river from changing course. Completed in 1963, the complex was built by the U.S. Army Corps of Engineers in a side channel of the Mississippi known as "Old River", between the Mississippi's current channel and the Atchafalaya Basin, a former channel of the Mississippi. The Old River Control Structure is actually a complex containing the original low-sill and overbank structures,
Maryland Route 242 in 1923. The state highway was reconstructed with curve modifications and a bituminous-stabilized gravel surface in the 1950s, beginning with the Morganza–Clements section in 1949 and 1950. MD 242 was rebuilt from Clements to Bushwood by 1959. Maryland Route 242 Maryland Route 242 (MD 242) is a state highway in the U.S. state of Maryland. Known as Colton Point Road, the state highway runs from Coltons Point north to MD 5 in Morganza. MD 242 connects the communities of Morganza, Clements, Bushwood, Avenue, and Coltons Point in western St. Mary's County. The state highway also leads to St. Clement's Island