 Prior to 1927 , the route was a branch of pre @-@ 1927 Route 6 that ran from Bridgeton to Mullica Hill . In 1927 , it was designated as Route 46 , which replaced the Bridgeton @-@ Mullica Hill branch of pre @-@ 1927 Route 6 . In 1953 , it was renumbered to Route 77 to avoid conflicting with US 46 in the northern part of the state . 
