| I-95 NB over S.c. 46 | 1968 | 33,200 | Fair |
| I-95 SB over S.c. 46 | 1968 | 33,200 | Fair |
| US 278/INDPNDCBLVD over Unnamed Stream | 1986 | 32,600 | Fair |
| US 278/INDPNDCBLVD over Unnamed Stream | 1986 | 32,600 | Good |
| I-95 NB over S.c.l. Railroad | 1976 | 32,050 | Fair |
| I-95 NB over Sand Island Swamp | 1976 | 32,050 | Fair |
| I-95 NB over Savannah Overflow | 1975 | 32,050 | Fair |
| I-95 Nbl over Savannah River | 1976 | 32,050 | Fair |
| I-95 SB over S.c.l. Railroad | 1976 | 32,050 | Fair |
| I-95 SB over Sand Island Swamp | 1976 | 32,050 | Fair |
| I-95 SB over Savannah Overflow | 1975 | 32,050 | Fair |
| I-95 Sbl over Savannah River | 1976 | 32,050 | Fair |
| I-95 NB over Bagshaw Swamp | 1968 | 29,700 | Fair |
| I-95 NB over Bahama Swamp | 1968 | 29,700 | Fair |
| I-95 NB over Great Swamp | 1966 | 29,700 | Fair |
| I-95 SB over Bagshaw Swamp | 1968 | 29,700 | Fair |
| I-95 SB over Bahama Swamp | 1968 | 29,700 | Fair |
| I-95 SB over Great Swamp | 1966 | 29,700 | Fair |
| I-95 NB over Coosawhatchie River | 1974 | 29,400 | Fair |
| I-95 NB over Tullifinny River | 1974 | 29,400 | Fair |
| I-95 SB over Coosawhatchie River | 1974 | 29,400 | Fair |
| I-95 SB over Tullifinny River | 1974 | 29,400 | Fair |
| I-95 SB over Sc 336 | 1965 | 28,050 | Fair |
| I-95 NB over Sc 336 | 1965 | 27,450 | Fair |
| SR 404p-us 17 over Back River | 2015 | 20,900 | Good |
| US 17 over I-95 & Rampsoffi-95sb&nb | 1967 | 16,500 | Fair |
| US 278 EB over Brickyard Swamp | 1995 | 16,300 | Fair |
| US 278 EB over New River | 1996 | 16,300 | Fair |
| US 278 WB over Brickyard Swamp | 1995 | 16,300 | Fair |
| US 278 WB over New River | 1996 | 16,300 | Fair |
| Sc 315/S Okatie Hy over Trib to New River | 1986 | 13,800 | Good |
| Sc 462 over Euhaw Creek | 2016 | 12,600 | Good |
| Sc 462 over Hazzard Creek | 1949 | 12,600 | Fair |
| Sc 315 Okatie Hwy over Monkey John Swamp | 1978 | 11,300 | Fair |
| US 17 over I-95/RAMP Off I-95 | 1971 | 10,900 | Fair |
| US 17 over Pocotaligo River | 1923 | 10,900 | Fair |
| US 17 over Clydesdale Creek | 1920 | 8,700 | Good |
| US 278 over RR Csxt | 1940 | 7,900 | Fair |
| S-27-141 over I-95 | 1967 | 6,800 | Fair |
| Sc 462 over Euhaw Creek | 1953 | 5,500 | Fair |
| Sc 462 over Trib to Chelsea Creek | 1953 | 5,500 | Fair |
| Sc 462 over Bees Creek | 2015 | 5,100 | Good |
| US 278 over I-95 | 1968 | 5,000 | Fair |
| US 321 over RR Csxt | 1936 | 4,600 | Fair |
| US 17 SB over Sc 170 NB | 1974 | 4,350 | Fair |
| US321/DEERFIELD Rd over Bagshaw Swamp | 1945 | 4,300 | Good |
| US321/DEERFIELD Rd over Deerfield | 1940 | 4,300 | Fair |
| US321/DEERFIELD Rd over Hog Crawl | 1940 | 4,300 | Fair |
| US321/DEERFIELD Rd over Mill Branch | 1920 | 4,300 | Fair |
| US 321 over Cypress Swamp | 1948 | 4,100 | Fair |
| US 321/DEERFIELDRD over Brickyard Swamp | 1940 | 3,900 | Fair |
| Sc 170 over Beach Hill Canal | 1940 | 3,800 | Fair |
| Sc 170 over Canal | 1974 | 3,800 | Fair |
| Sc 170 over Laura Hill Swamp | 1925 | 3,800 | Fair |
| Sc 170 over Little Back River | 1925 | 3,800 | Fair |
| Sc 170 over Savannah River Overflow | 1925 | 3,800 | Fair |
| Sc 170 over Savannah River Swamp | 1940 | 3,800 | Fair |
| Sc 170/FREEDOM Pky over Clydesdale Creek | 1952 | 3,400 | Fair |
| Sc 170/FREEDOM Pky over Mongon Swamp | 1950 | 3,400 | Fair |
| US 17 over I-95 | 1966 | 3,400 | Fair |
| US 17 over Bagshaw Creek | 1938 | 3,100 | Fair |
| US 17 over Bahama Creek | 1938 | 3,100 | Fair |
| US 17 over Great Swamp | 1938 | 3,100 | Fair |
| US 278/GRAYS Hwy over Bay Swamp | 1932 | 2,700 | Poor |
| Sc 462 over I-95 | 1974 | 2,600 | Fair |
| US 321 over Black Swamp | 1948 | 2,600 | Fair |
| S-27-77 over I-95 | 1965 | 2,500 | Fair |
| Sc 336/TILLMAN Rd over Great Swamp | 1936 | 2,400 | Fair |
| S-27-29 over I-95 | 1965 | 2,200 | Fair |
| US 278/GRAYS Hwy over Beaverdam Creek #1 | 1932 | 2,200 | Fair |
| US 278/GRAYS Hwy over Cypress Creek | 1957 | 2,200 | Fair |
| S-27-34/levy Rd over Mongon Swamp | 1997 | 2,100 | Good |
| Sc 336/TILLMAN Rd over Wagon Branch | 1996 | 1,850 | Good |
| S-27-29 over Great Swamp | 1955 | 1,450 | Fair |
| Sc 119/CLYO Rd over Black Swamp (NO.1) | 1958 | 1,400 | Fair |
| Sc 119/CLYO Rd over Black Swamp (no. 2) | 1958 | 1,400 | Fair |
| Sc 119/CLYO Rd over Savannah River | 1959 | 1,400 | Fair |
| Sc 119/CLYO Rd over Savannah River Swamp | 1958 | 1,400 | Fair |
| S-39/malphrus Rd over Great Swamp | 1953 | 1,150 | Fair |
| S-27-13 over I-95 | 1966 | 850 | Fair |
| S-27-119 over Coleman Lake Branch | 2006 | 700 | Good |
| S-27-119 over Cypress Creek | 2016 | 700 | Good |
| Sc 3/HERITAGE Rd over Cypress Creek | 1974 | 650 | Fair |
| Sc 3/HERITAGE Rd over Elbo Creek | 1948 | 650 | Good |
| Sc 462 over Beaverdam Branch | 2003 | 650 | Good |
| S-27-14 over Great Swamp | 1986 | 600 | Good |
| S-27-14 over Great Swamp | 1986 | 600 | Fair |
| S-27-19 over Knowles Island | 2010 | 600 | Good |
| Sc 462 over Elbo Creek | 2003 | 550 | Good |
| S-27-87 over Coosawhatchie River | 1975 | 500 | Good |
| S-88/brickyard Rd over Brickyard Swamp | 1969 | 500 | Fair |
| S-27-427 over Tulifiny River | 1974 | 425 | Fair |
| S-27-175 over Stream | 1963 | 350 | Fair |
| S-27-175 over Unnamed Stream | 1963 | 350 | Fair |
| S-16/mill Pond Rd over Beaverdam Creek | 1987 | 325 | Good |
| S-27-110 over Great Swamp | 1956 | 325 | Fair |
| S-27-110 over Great Swamp | 1994 | 325 | Fair |
| S-27-110/club Rd over Broadwater Creek | 1955 | 325 | Fair |
| S-27-115 over Great Swamp | 1955 | 275 | Fair |
| S-27-115 over Great Swamp | 2010 | 275 | Good |
| S-27-115 over Major Branch | 2010 | 275 | Good |
| S-27-108 over Cypress Creek | 2014 | 250 | Good |
| S-27-108 over Cypress Creek | 2014 | 250 | Good |
| C-34/purrysburg Rd over Trib to Union Creek | 1975 | 225 | Fair |
| S-27-75 over Bay Swamp | 1996 | 225 | Fair |
| S-27-75 over Beaver Dam Creek | 1962 | 225 | Fair |
| S-39/log Hall Rd over Bees Creek | 1966 | 200 | Fair |
| S-39/log Hall Rd over Little Bees Creek | 1966 | 200 | Poor |
| S-27-243 over Broad Water Creek | 2013 | 175 | Good |
| S-27-243 over Broad Water Creek | 1996 | 175 | Fair |
| S-27-41 over Beaverdam Creek | 2005 | 175 | Good |
| S-27-41 over Elbo Creek | 1994 | 175 | Fair |
| S-34/purrysburg Rd over Mill Stone Creek | 1965 | 175 | Good |
| S-41/beaver Dam Rd over Beaver Dam Creek | 2006 | 175 | Good |
| S-27-170 over Savannah River Overflow | 1972 | 125 | Fair |
| S-27-170 over Savannah River Overflow | 1972 | 125 | Fair |
| S-27-172 over I-95 & S-425 | 1974 | 125 | Fair |
| S-27-210 over I-95 | 1966 | 125 | Fair |
| S-27-247 over Jessie Creek | 2010 | 125 | Good |
| S-27-277 over Unnamed Stream | 1974 | 125 | Fair |
| S-27-33 over Unnamed Stream | 1960 | 125 | Fair |
| S-27-34 over I-95 | 1975 | 125 | Fair |
| S-34/purrysburg Rd over Millstone Creek | 1965 | 125 | Fair |
| S-34/purrysburg Rd over Unnamed Stream | 2002 | 125 | Good |
| S-34/purrysburg Rd over Unnamed Stream | 2002 | 125 | Good |
| S-27-17 over Zigzag Branch | 2013 | 100 | Good |
| S-27-424 over Coosawhatchie River | 1922 | 25 | Fair |
| S-27-424 over Tulifinny River (no. 1) | 1922 | 25 | Fair |
| S-27-424 over Tulifiny River (no. 2) | 1922 | 25 | Fair |