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, Louisiana on December 10, 2008: Morganza was the site of a Union Army encampment during the American Civil War. The largest battle in Pointe Coupee Parish was fought at nearby Stirling Plantation, on September 29, 1863. Sixteen Federal troops were killed, 45 were wounded, and 462 were taken prisoner. The Confederate losses included 26 dead, 85 wounded, and 10 missing. Although the Battle of Sterling Plantation was a Confederate victory, the Union troops burned the town of Morganza to the ground on October 1, 1863. Historian John D. Winters in "The Civil War in Louisiana" (1963) documents the arrival in May