| I-20 over Laws Branch | 1972 | 29,500 | Fair |
| I-20 over Mill Branch | 1972 | 29,500 | Fair |
| I-20 EB over Scape Ore Swamp | 1971 | 15,350 | Fair |
| I-20 EB over U.S. 15 | 1971 | 15,350 | Good |
| I-20 WB over Scape Ore Swamp | 1971 | 15,350 | Fair |
| I-20 WB over US 15 | 1971 | 15,350 | Good |
| I-20 EB over RR Scl | 1972 | 14,750 | Fair |
| I-20 WB over S.c.l. RR | 1972 | 14,750 | Fair |
| I-20 EB over Lynches River | 1972 | 14,450 | Fair |
| I-20 EB over Lynches River #2 | 1972 | 14,450 | Fair |
| I-20 WB over Lynches River | 1972 | 14,450 | Fair |
| I-20 WB over Lynches River #2 | 1972 | 14,450 | Fair |
| US 15 over Scape Ore Creek | 2009 | 6,800 | Good |
| US 15 over Lynches River | 1992 | 6,400 | Fair |
| Sc 341 over I-20 | 1972 | 5,300 | Fair |
| US 15 over Mechanicsville Mill Pond | 1950 | 4,500 | Fair |
| US 15 over Mechanicsville Swamp | 1930 | 4,500 | Fair |
| Sc 341 over Merchants Mill Creek | 1940 | 2,200 | Fair |
| Sc 341 over Turkey Creek | 1940 | 2,200 | Fair |
| US 76 over Back Swamp | 1920 | 2,200 | Fair |
| Sc 341 over Bells Branch | 1940 | 2,100 | Fair |
| Sc 441 over Mcgirts Creek | 1947 | 1,950 | Fair |
| US 76 over Black River | 2004 | 1,900 | Fair |
| Sc 34 over Cedar Creek | 1996 | 1,650 | Good |
| Sc 34 over Scape Ore Swamp | 2007 | 1,650 | Good |
| S-31-31 over I-20 | 1972 | 1,400 | Fair |
| US 401 over Black River | 1938 | 1,350 | Fair |
| US 401 over Scape Ore Swamp | 2020 | 1,350 | Good |
| Sc 527 over Canal | 1947 | 1,300 | Fair |
| S-31-31 over Beaverdam Creek | 2017 | 950 | Good |
| S-31-31 over Beaverdam Creek | 2004 | 950 | Good |
| Sc 154 over Gin Branch | 1991 | 950 | Good |
| Sc 154 over I-20 | 1972 | 950 | Fair |
| S-31-29 over I-20 | 1972 | 900 | Fair |
| S-31-29 over Scape Ore Creek | 2015 | 900 | Good |
| C-31-113 over Trib to Lynches River | 2004 | 800 | Good |
| S-31-22 over I-20 | 1971 | 750 | Fair |
| S-31-41 over Boggy Branch | 1972 | 600 | Fair |
| Sc 154 over Broad Branch | 1941 | 600 | Fair |
| S-31-39 over I-20 | 1973 | 500 | Fair |
| S-31-39 over Long Branch | 2019 | 500 | Good |
| S-31-102 over Canal #1 | 1971 | 475 | Fair |
| S-31-102 over Canal #2 | 1971 | 475 | Good |
| S-31-36 over I-20 | 1971 | 450 | Fair |
| S-31-36 over Trib Scape Ore Swamp | 2017 | 450 | Good |
| S-31-204 over Little Swift Creek | 2016 | 425 | Good |
| S-31-7 over Mcgirts Swamp | 1948 | 425 | Fair |
| S-31-73 over Mcgirts Creek | 2006 | 425 | Good |
| S-31-162 over Gum Springs Branch | 2002 | 400 | Good |
| S-31-34 over Black River | 1991 | 400 | Fair |
| S-31-221 over Beaver Dam Creek | 1996 | 350 | Good |
| S-31-221 over Trib to Beaver Dam Creek | 1996 | 350 | Good |
| S-31-21 over Black Creek | 1947 | 325 | Fair |
| S-31-313 over Beaver Dam Ck (1) | 2020 | 300 | Good |
| S-31-313 over Beaver Dam Ck (2) | 2020 | 300 | Good |
| S-31-108 over Scape Ore Swamp NO.1 | 2012 | 275 | Good |
| S-31-108 over Scape Ore Swamp No. 2 | 2012 | 275 | Good |
| S-31-234 over Stoney Run Creek | 2017 | 275 | Good |
| S-31-76 over Merchant Mill Creek | 1960 | 275 | Fair |
| S-31-76 over Turkey Creek | 2005 | 275 | Good |
| S-31-37 over Cowpen Swamp | 2016 | 250 | Good |
| S-31-37 over Unnamed Stream | 1993 | 250 | Good |
| S-31-32 over Scape Ore Creek | 2006 | 225 | Good |
| S-31-52 over Little Long Branch | 2021 | 225 | Good |
| S-31-52 over Long Branch | 1982 | 225 | Fair |
| S-31-220 over I-20 | 1972 | 200 | Fair |
| S-31-220 over Trib Scape Ore Swamp | 1964 | 200 | Fair |
| S-31-50 over Turkey Creek | 1996 | 200 | Good |
| S-31-231 over Bracey Mill Creek | 2014 | 175 | Good |
| S-31-242 over Beaverdam Creek | 1966 | 175 | Fair |
| S-31-44 over Canal Ditch | 1963 | 175 | Fair |
| S-31-109 over Scape Ore Swamp | 2001 | 150 | Good |
| S-31-154 over Black River Branch | 1996 | 150 | Fair |
| S-31-195 over Black Creek | 1960 | 150 | Fair |
| S-31-262 over Newman Swamp | 2019 | 150 | Good |
| S-31-44 over Stoney Run Branch | 1962 | 150 | Fair |
| S-31-53 over Canal No. 1 | 2019 | 150 | Good |
| S-31-53 over Canal No. 2 | 2019 | 150 | Good |
| S-31-71 over Trib Beaver Dam Creek | 2014 | 150 | Good |
| S-31-101 over Church Branch | 1965 | 125 | Fair |
| S-31-104 over Broad Branch | 2006 | 125 | Good |
| S-31-228 over Black River | 1965 | 125 | Poor |
| S-31-311 over Tib Stoney Run Creek | 1957 | 125 | Poor |
| S-31-99 over Back Swamp | 1958 | 125 | Good |
| S-31-99 over Back Swamp | 1988 | 125 | Good |
| S-31-378 over Trib Lynches River | 1983 | 100 | Good |
| S-31-106 over Scape Ore Swamp | 1996 | 50 | Good |
| S-31-327 over Atkins Drainage Canal | 1973 | 50 | Fair |
| S-31-500 over Mcgirts Creek | 1964 | 50 | Fair |
| S-31-300 over Scape Ore Creek | 1972 | 25 | Fair |
| S-31-600 over Timber Creek | 2011 | 25 | Good |