Explore details about location Benny Mumphrey Road. Benny Mumphrey Road is a location situated within the Ascension Parish alongside other areas such as J & D Lane, Manchac Point Road, Old Hwy 22. Additionally, some smaller parts of Benny Mumphrey Road include specific areas like Dab Lane, Gail Bourgeois Lane, Rib Lane adding to the diversity of its landscape.