In 1831 Capt. Henry Shreve cut across the neck of Turnbull’s Point Bar and shortened the length of the Mississippi by several miles.
The lower part mouth of the Red River and the head of the Atchafalaya. Water flowed back and forth between the Red/Atchafalaya and the Mississippi depending on the level of the Mississippi. In 1945 the Atchafalaya captured the Red. By 1954 the Corps of Engineers predicted that the Atchafalaya would capture the Mississippi. Congress ordered the Corps to build the Old River Control Structure, which rations about a third of the Mississippi to the Atchafalaya.
There in lies opportunity for the Louisiana Coast.