South Carolina Highway 83South Carolina Highway 83 is a primary state highway in the U.S. state of South Carolina. It connects the communities of eastern Marlboro County with Maxton, North Carolina.Route descriptionSC 83 is a two-lane rural highway that traverses from a point northeast of Clio at SC 381 to the North Carolina state line where the road continues as North Carolina Highway 83.HistoryThe highway was established in 1938 as a renumbering of SC 68 to match NC 83; no changes have been made since.