Near the end of the highway, the river bends away to the east and SR 140 continues to the north. It ends at an intersection with SR 14 southeast of Burnsville, less than  from the Autauga County line.
At the conclusion of the highway, the river makes a sharp turn towards the east, and SR 140 proceeds northward. The road terminates at an intersection with SR 14 south of Burnsville, situated just shy of the county line.