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
Pequannoc Spillway site in poor repair. Like its sister structure the Pompton Dam, the Pequannoc Spillway was originally made entirely of timber. Constructed in the early 19th century the Pequannoc Spillway aided in navigation upriver along the Morris Canal during its almost 100 years of use. The structure was also part of a system to maintain water levels along portions of the Pompton River and Ramapo River which were at the time of their construction a part of the Morris Canal. The removal of the spillway was advocated against in the 1920s by C.C. Vermeule, Decommissioning Engineer for the Morris Canal and