Morgan City, Louisiana it soon replaced the Loganberry of California. According to the United States Census Bureau, the city has a total area of , of which is land and , or 4.03%, is water. If the Mississippi River were to experience a major course change in the vicinity of the Old River Control Structure or Morganza Spillway, the main channel of the river would likely enter the Gulf of Mexico near Morgan City instead of New Orleans. As of the census of 2000, there were 12,703 people, 5,037 households, and 3,394 families residing in the city. The population density was 2,166.5 people
U.S. Route 190 the Beauregard Parish Jail, Beauregard Parish Courthouse, and the DeRidder Commercial Historic District. US 190 runs concurrently with US 171 to Ragley, where US 190 parts with US 171 heading east. From Ragley, the two-lane highway heads nearly due east almost parallel to I-10 until Opelousas. US 190 crosses the northern reach of the Atchafalaya Basin near the Morganza Spillway en route to Baton Rouge. From Baton Rouge, US 190 passes, in places divided, through Denham Springs, Albany, Hammond, Robert, Goodbee, Covington, Mandeville, before reaching the eastern terminus at Slidell. The stretch between I-12 south of Covington and the intersection