Louisiana Highway 10 a second levee to exit the Morganza Spillway. It immediately intersects LA 77 Spur, a paved highway signed as the mainline route. Motorists are directed to turn south onto this route to reach US 190. From this intersection, LA 10 turns north and becomes a paved highway once again. The route follows alongside Bayou Fordoche as it bends to the east toward the village of Morganza, located on the west bank of the Mississippi River. Here, LA 10 crosses the Kansas City Southern Railway tracks and intersects LA 1, which heads northwest through Simmesport. LA 10 turns to the southeast
Morganza Spillway was expected in the Atchafalaya Basin regardless of the choice made regarding the Morganza Spillway, the Corps decided to start the 2011 diversion by opening the spillway a bit less than described in scenario 1a (21%, not 25%) The Governor of Louisiana, Bobby Jindal, had meanwhile sent a letter on May 4, 2011, to Robert Gates, the United States Secretary of Defense, requesting that the National Guard be deployed under Title 32 of the United States Code status to respond to record water levels in Louisiana, where there was "a significant probability that the U.S. Army Corps of Engineers [would]