Live Chat I-20 Community Nearby Traffic Barnwell State Park 2024-05-01 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Barnwell State Park Elko, SC 8.96 Denmark, SC 13.93 Williston, SC 14.29 Interstate highway exits close to Barnwell State Park Exit 29, i20 47.77 Exit 145b a, i26 47.89 Exit 139, i26 48.38 Interstate highways close to Barnwell State Park i20 map 47.77 i26 map 47.89 i77 map 65.77 State roads close to Barnwell State Park SC 3 map 1.27 US 78 SC map 1.41 SC 304 map 1.78