| US 17 over Great Pee Dee River | 1967 | 25,600 | Fair |
| US 17 over Waccamaw River | 1966 | 25,600 | Poor |
| US 17 Alt over Whites Creek | 1920 | 19,200 | Fair |
| US 17 NB over Sampit River_& S-103 | 1988 | 12,600 | Good |
| US 17 Sbl over Sampit River_& S-103 | 1984 | 12,600 | Fair |
| US 17 Alt over Ports Creek | 1919 | 12,000 | Fair |
| US 17 Alt over Spring Gulley | 1920 | 12,000 | Good |
| US 701 over Black River | 1985 | 10,400 | Fair |
| US 701 over Six Mile Creek | 2021 | 10,400 | Good |
| US 17 Alt over Sampit River | 2021 | 7,400 | Good |
| Sc 51 over Six Mile Creek | 1989 | 6,800 | Good |
| S-22-255 over Trib. to Waccamaw R/icww | 2000 | 6,300 | Fair |
| US 701 over Great Pee Dee River | 2018 | 5,500 | Good |
| US 701 over Yauhannah Lake | 2018 | 5,500 | Good |
| US 17 NB over North Santee River | 1978 | 5,100 | Fair |
| US 17 NB over South Santee River | 1978 | 5,100 | Fair |
| US 17 SB over North Santee River | 1951 | 5,100 | Poor |
| US 17 SB over South Santee River | 1950 | 5,100 | Fair |
| C-22-255 over Trib to Waccamaw River | 1991 | 4,800 | Good |
| US 701 over Yauhannah Creek | 1948 | 4,300 | Fair |
| Sc 51 over Black River | 1974 | 4,100 | Fair |
| Sc 51 over Lanes Creek | 1989 | 4,100 | Good |
| Sc 51 over Mcginney Hill Swamp | 1989 | 4,100 | Good |
| US 17 Alt over Summons Swamp | 1969 | 3,400 | Fair |
| S-22-42 over Turkey Creek | 1974 | 3,300 | Fair |
| S-22-46 over Pawleys Creek | 1986 | 3,000 | Poor |
| US 17 Alt over Cedar Creek | 1939 | 2,800 | Fair |
| US 521 over US 521 Bus | 2006 | 2,500 | Good |
| S-22-42 over Gravel Gully | 1995 | 2,400 | Good |
| S-22-42 over Penny Royal | 1997 | 2,400 | Good |
| S-22-4 over Choppee Creek | 1993 | 2,300 | Good |
| S-22-4 over Peters Creek | 1975 | 2,300 | Fair |
| S-22-266 over S Causeway to Pawleys | 1997 | 2,200 | Fair |
| S-22-266 over S. Crossway #2 | 2002 | 2,200 | Poor |
| Sc 41 over Johnson Swamp | 1990 | 2,100 | Good |
| S-22-514 over Kensington Stream | 1968 | 1,950 | Fair |
| S-22-537 over Trib to Black River | 1970 | 1,750 | Fair |
| S-22-537 over Trib to Black River | 1970 | 1,750 | Fair |
| S-22-179 over Black River | 1976 | 1,650 | Poor |
| S-22-302 over Trib-midway Inlet | 1994 | 1,600 | Fair |
| S-22-318 over Market Creek | 1975 | 1,550 | Fair |
| S-22-318 over Six Mile Creek | 1975 | 1,550 | Fair |
| S-22-31 over Bonny Clabber Creek | 1971 | 1,500 | Fair |
| S-22-31 over Lane Creek | 1971 | 1,500 | Fair |
| US 521 SB over Sc 41 Bus | 2006 | 1,400 | Good |
| S-22-38 over Big Dam Creek | 1997 | 1,300 | Good |
| S-22-566 over Lanes Creek | 1971 | 1,300 | Fair |
| US 521 NB over CSX Railroad | 2006 | 1,250 | Good |
| US 521 NB over Sc 41 Bus | 2006 | 1,250 | Good |
| US 521 SB over CSX Railroad | 2006 | 1,250 | Good |
| Sc 261 over Yauhannah Creek | 1948 | 1,200 | Good |
| Sc 261 over Bosser Swamp | 1938 | 1,100 | Fair |
| Sc 261 over Penny Royal Creek | 1948 | 1,100 | Poor |
| Sc 261 over Penny Royal Creek | 1948 | 1,100 | Good |
| Sc 513 over Squirrel Swamp | 1948 | 1,050 | Good |
| S-22-24 over Bonny Clabber | 1960 | 1,000 | Fair |
| S-22-24 over Pole Swamp | 1960 | 1,000 | Fair |
| S-22-295 over White Oak Creek | 1960 | 900 | Fair |
| S-22-20 over Indian Hut Swamp | 1967 | 850 | Fair |
| S-22-6 over Pittman Creek | 1955 | 750 | Fair |
| S-22-180 over Singletary Creek | 1978 | 600 | Poor |
| S-22-352 over Cedar Swamp | 1995 | 600 | Good |
| S-22-36 over Bells Swamp | 1995 | 500 | Good |
| S-22-36 over Gravel Gulley | 1962 | 500 | Fair |
| S-22-36 over Tyler Creek | 1956 | 500 | Fair |
| S-22-5 over Br-browns Swamp | 1961 | 500 | Fair |
| S-22-86 over Cedar Branch | 1960 | 500 | Fair |
| S-22-4 over Br-black River | 1965 | 475 | Fair |
| S-22-74 over Boser Swamp | 1959 | 475 | Fair |
| S-22-14 over Boser Swamp | 1997 | 450 | Good |
| S-22-355 over Browns Branch | 1961 | 450 | Fair |
| S-22-35 over Boser Creek | 1989 | 400 | Good |
| S-22-744 over Trib-n Santee Rv | 1978 | 400 | Fair |
| S-22-306 over Browns Branch | 1967 | 350 | Fair |
| S-22-306 over Browns Branch | 1967 | 350 | Fair |
| S-22-306 over Pittman Branch | 1972 | 350 | Fair |
| S-22-356 over Penny Royal Creek | 1966 | 350 | Fair |
| C-22-1800 over Unknown | 2010 | 325 | Good |
| S-22-264 over Cypress Creek | 1970 | 300 | Fair |
| S-22-264 over Planters Creek | 1972 | 300 | Fair |
| S-22-264 over St. Pauls Branch | 2010 | 300 | Good |
| S-22-387 over Br of Cedar Creek | 1960 | 300 | Fair |
| S-22-387 over Br of Cedar Creek | 1972 | 300 | Good |
| S-22-524 over Br-black River | 1980 | 300 | Fair |
| S-22-524 over Br-six Mile Ck | 1968 | 300 | Fair |
| C-22-1306 over Unknown | 2010 | 275 | Good |
| C-22-1306 over Unknown | 2010 | 275 | Good |
| C-22-1306 over Unknown | 2010 | 275 | Good |
| S-22-307 over Pittman Branch | 1960 | 250 | Fair |
| S-22-582 over St Pauls Branch | 1972 | 250 | Fair |
| C-22-52 over Carvers Bay Creek | 1975 | 225 | Fair |
| C-22-52 over Carvers Bay Creek | 1980 | 225 | Fair |
| C-22-744 over Trib to N Santee River | 1990 | 225 | Fair |
| C-22-893 over Guinea Creek | 1992 | 225 | Fair |
| C-22-896 over Peters Creek | 1983 | 225 | Fair |
| S-22-35 over Boser Creek | 1961 | 225 | Fair |
| S-22-768 over Dawhoo Lake | 1978 | 225 | Fair |
| S-22-768 over Dawhoo Lake | 1979 | 225 | Fair |
| S-22-296 over Br-bond Swamp | 1995 | 200 | Good |
| S-22-296 over Br-bond Swamp | 1995 | 200 | Good |
| S-22-52 over Black River Swamp | 2022 | 200 | Good |
| S-22-52 over Swamp Run Creek | 1971 | 200 | Fair |
| S-22-52 over Trib-pee Dee Rv | 1971 | 200 | Fair |
| S-22-478 over Br-bond Swamp | 1970 | 175 | Fair |
| S-22-45 over Trib to Boser Swamp | 2022 | 150 | Good |
| S-22-725 over Br-pee Dee Rv | 1977 | 150 | Fair |
| S-22-307 over Br-mingo Creek | 1997 | 125 | Good |
| S-22-525 over Browns Branch | 1968 | 125 | Fair |
| S-22-545 over Bond Swamp | 2010 | 125 | Good |
| S-22-585 over Br - Black Mingo Creek | 1972 | 125 | Fair |
| S-22-585 over Br-mingo Creek | 1972 | 125 | Fair |
| S-22-75 over Br-boser Swamp | 1967 | 125 | Fair |
| S-22-30 over Kinlock Creek | 1959 | 100 | Fair |
| S-22-52 over Black River Swp | 1971 | 100 | Fair |