Old River Control Structure of 1973 almost caused the control structure to fail. Integrity of the Old River Control Structure, the nearby Morganza Spillway, and other levees in the area is essential to prevent such a diversion. Jeff Masters of "Weather Underground" noted that failure of that complex "would be a serious blow to the U.S. economy." The present Old River Control Structure was completed in 1964 and expanded in 1990. The first two floodgates are the Low Sill Control Structure, which regulates routine flow in the waterway, and the Overbank Control Structure, in use only when the Mississippi exceeds its banks. A navigation
Morganza High School School Board until being closed in 2008. The school buildings and grounds are currently used as a law enforcement training facility for the Pointe Coupee Parish Sheriff's Office. As part of a community project, the school's gymnasium was renovated in 2014 and is currently used as a community athletic facility, as well as a parish athletic hall of fame museum. John B. Fournet, later a supporter of Huey Pierce Long, Jr., Speaker of the Louisiana House of Representatives, lieutenant governor, and associate and Chief Justice of the Louisiana Supreme Court, was the principal of Morganza High School in the 1916-1917