 The northern terminus of the highway is at an interchange with Interstate 65 (I-65) near Barnett Crossroads in the north-central part of the county.The first reassurance marker for SR 113 appears along US 29 just north of the Florida state line.Approximately north of the state line, US 29 and SR 113 begin a concurrency with US 31 as they travel to the northeast out of Flomaton.