Morganza Spillway Flood Control Act of 1928 to authorize the United States Army Corps of Engineers to build the Bonnet Carre Spillway (located above New Orleans and completed in 1931), the Birds Point floodway in Missouri, and the Morganza Floodway as part of the 1928 Mississippi River and Tributaries Project. Construction of the levees that make up part of the Morganza Spillway began in the late 1930s. The Morganza Control Structure portion of the project was completed in 1954 and subsequently became incorporated into the Mississippi River Commission's 1956 project design flood, which added the Old River Control Structure (ORCS) in 1963
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