sentences:  This portion of what is now LA 76 connected to the Baton Rouge ferry across the Mississippi River before the completion of the Huey P. Long Bridge upstream on the current alignment of US 190 in 1940.This and other highway realignments in the area caused the Rosedale Road to decline in importance in the years leading up to the Louisiana Department of Highways' renumbering of the state highway system in 1955.LA 76 was created in the 1955 renumbering, bringing portions of several different former routes under a single designation.