| US 17 Alt over Ashley River | Poor | 210.0 ft | 19,800 | 1971 |
| US 78 over Four Hole Swamp | Poor | 374.0 ft | 9,900 | 1948 |
| US 15 over Edisto River | Poor | 299.9 ft | 2,700 | 1928 |
| S-18-19/wire RD over Indian Fields Swamp | Poor | 149.9 ft | 1,000 | 1960 |
| I-95 over Polk Swamp | Fair | 53.5 ft | 50,100 | 1974 |
| Sc 642 over Eagle Creek | Fair | 38.4 ft | 40,300 | 1956 |
| Sc 642 over Dorchester Creek | Fair | 50.5 ft | 37,200 | 1956 |
| Sc 165 over Julia Creek | Fair | 120.1 ft | 34,500 | 1997 |
| S-18-199 over Br Of Dorchester Creek | Fair | 65.9 ft | 27,400 | 1999 |
| I-95 NB over Indian Field Swamp | Fair | 149.9 ft | 25,800 | 1972 |
| I-95 SB over Indian Field Swamp | Fair | 149.9 ft | 25,800 | 1972 |
| I-95 NB over U.s. 178 | Fair | 182.1 ft | 25,800 | 1974 |
| I-95 SB over U.s. 178 | Fair | 182.1 ft | 25,800 | 1974 |
| I-95 NB over Trib To Crooked CR | Fair | 240.2 ft | 25,050 | 1973 |
| I-95 NB over Trib To Crooked CR | Fair | 299.9 ft | 25,050 | 1973 |
| I-95 NB over Crooked Creek | Fair | 299.9 ft | 25,050 | 1973 |
| I-95 NB over Cow Tail Creek | Fair | 25.6 ft | 25,050 | 1973 |
| I-95 NB over S-53 & S-26 | Fair | 160.4 ft | 25,050 | 1973 |
| I-95 SB over Trib To Crooked CR | Fair | 240.2 ft | 25,050 | 1973 |
| I-95 SB over Trib To Crooked CR | Fair | 299.9 ft | 25,050 | 1973 |
| I-95 SB over Crooked Creek | Fair | 299.9 ft | 25,050 | 1973 |
| I-95 SB over Cow Tail Creek | Fair | 25.6 ft | 25,050 | 1973 |
| I-95 SB over S-53 & S-26 | Fair | 160.4 ft | 25,050 | 1973 |
| I-95 SB over U.s. 78 | Fair | 204.1 ft | 25,050 | 1973 |
| I-95 NB over Edisto River | Fair | 660.1 ft | 25,050 | 1974 |
| I-95 NB over Southern Rwy | Fair | 187.7 ft | 25,050 | 1974 |
| I-95 SB over Edisto River | Fair | 660.1 ft | 25,050 | 1974 |
| I-95 SB over Southern Rwy | Fair | 187.7 ft | 25,050 | 1974 |
| I-95 NB over U.s. 78 | Fair | 204.1 ft | 24,900 | 1973 |
| I-26 EB over Southern Railroad | Fair | 152.9 ft | 23,550 | 1960 |
| I-26 WB over Southern Railroad | Fair | 152.9 ft | 23,550 | 1960 |
| I-26 EB over Stream | Fair | 22.3 ft | 22,700 | 1962 |
| US 78 over Saw Mill Creek | Fair | 23.0 ft | 15,800 | 1920 |
| S-18-22 over Platt Branch | Fair | 44.9 ft | 13,800 | 1978 |
| S-18-22 over Green Bay Branch | Fair | 44.9 ft | 13,800 | 1981 |
| S-18-377 over Unnamed Stream | Fair | 44.9 ft | 13,300 | 1966 |
| S-18-377 over Chandler Bridge Creek | Fair | 44.9 ft | 13,300 | 1966 |
| Sc 61 over Trib To Ashley River | Fair | 31.8 ft | 12,200 | 1929 |
| US 17 Alt over Spooler Swamp | Fair | 89.9 ft | 11,600 | 1930 |
| US 17 Alt over Scotts Creek | Fair | 89.9 ft | 11,600 | 1930 |
| US 17 Alt over Edisto River | Fair | 791.0 ft | 11,600 | 1972 |
| S-18-58/jedburg RD over Green Bay Branch | Fair | 29.9 ft | 11,200 | 1984 |
| S-18-58/jedburg RD over Stanley Branch | Fair | 44.9 ft | 11,200 | 1984 |
| Sc 61 over Unnamed Stream | Fair | 33.1 ft | 8,500 | 1947 |
| US 78 over Great Cypress Swamp #2 | Fair | 25.3 ft | 7,800 | 1928 |
| US 78/w 5th ST N over Great Cypress Swamp #3 | Fair | 67.3 ft | 7,800 | 1919 |
| US 78 over Great Cypress Swamp #4 | Fair | 79.1 ft | 7,800 | 1919 |
| US 78/w 5th ST N over Great Cypress Swamp #6 | Fair | 21.3 ft | 7,800 | 1919 |
| US 78 over Indian Field Swamp | Fair | 109.9 ft | 7,500 | 1921 |
| US 78 over Coldwater Branch | Fair | 23.0 ft | 6,800 | 1928 |
| S-18-207 over Saw Mill Branch Canal | Fair | 44.9 ft | 6,400 | 1961 |
| Sc 61 over Edisto River | Fair | 390.1 ft | 5,400 | 1996 |
| S-18-65 over Saw Mill Branch | Fair | 60.0 ft | 5,300 | 1984 |
| US 78 over Polk Swamp | Fair | 111.9 ft | 4,700 | 1949 |
| Sc 453 over I-26 | Fair | 210.0 ft | 3,900 | 1960 |
| Sc 453/judge ST over Four Hole Swamp | Fair | 180.1 ft | 3,900 | 1975 |
| S-84/clubhouse RD over Fishburne Creek | Fair | 44.9 ft | 3,200 | 1962 |
| US 178/e Main ST over Walnut Creek (no. 2) | Fair | 32.2 ft | 2,700 | 1929 |
| US 15 over Edisto River Relief | Fair | 200.1 ft | 2,700 | 1931 |
| US 15 over Edisto River Relief | Fair | 200.1 ft | 2,700 | 1931 |
| US 15 over Edisto River Relief | Fair | 450.1 ft | 2,700 | 1931 |
| US 15 over Crooked Creek | Fair | 250.0 ft | 2,700 | 1931 |
| US 15 over Branch To Edisto River | Fair | 200.1 ft | 2,700 | 1931 |
| US 15 over Branch To Edisto River | Fair | 149.9 ft | 2,700 | 1931 |
| US 15/hwy 15 S over Polk Swamp | Fair | 71.9 ft | 2,700 | 1930 |
| US 15/hwy 15 over Polk Swamp | Fair | 34.1 ft | 2,700 | 1931 |
| US 15/hwy 15 S over Polk Swamp | Fair | 79.1 ft | 2,700 | 1931 |
| US 15 over Four Hole Swamp | Fair | 149.9 ft | 2,400 | 2006 |
| US 15 over I-26 | Fair | 294.0 ft | 2,400 | 1962 |
| US 78 over Cattle Creek | Fair | 109.9 ft | 2,100 | 1922 |
| S-84/clubhouse RD over Br Of Drayton Swamp | Fair | 44.9 ft | 2,100 | 1970 |
| S-18-208 over Julia Creek | Fair | 42.0 ft | 1,800 | 1957 |
| S-18-19/wire RD over Polk Swamp | Fair | 42.0 ft | 1,000 | 1956 |
| S-18-19/wire RD over Poorly Branch | Fair | 42.0 ft | 1,000 | 1958 |
| S-18-19/wire Road over Polk Swamp | Fair | 75.1 ft | 1,000 | 1960 |
| S-50/seven Mile RD over Unnamed Stream | Fair | 29.9 ft | 900 | 1967 |
| S-18-26 over Polk Swamp | Fair | 140.1 ft | 800 | 1953 |
| S-50/seven Mile RD over I-26 | Fair | 262.1 ft | 750 | 1961 |
| S-55/2nd Bend RD over I-26 | Fair | 279.9 ft | 700 | 1960 |
| S-55/2nd Bend RD over Little Walnut Branch | Fair | 44.9 ft | 700 | 1968 |
| S-18-49/quaker RD over Cow Tail Creek | Fair | 56.1 ft | 650 | 1953 |
| S-18-49/quaker RD over Polk Swamp | Fair | 98.1 ft | 650 | 1953 |
| S-418/sycamore DR over Trib To Sawmill Branch | Fair | 29.9 ft | 650 | 1964 |
| S-18-161 over Tributary To Gum Branch | Fair | 44.9 ft | 600 | 1973 |
| S-18-16 over Polk Swamp | Fair | 42.0 ft | 500 | 1952 |
| S-20/mulberry RD over Wadboo Branch | Fair | 29.9 ft | 500 | 1963 |
| S-18-668 over Trib To Indian Field Swp | Fair | 44.9 ft | 500 | 1974 |
| S-18-610/alonzo RD over Gum Branch | Fair | 89.9 ft | 500 | 1988 |
| S-18-19/wire RD over I-95 | Fair | 257.9 ft | 450 | 1972 |
| S-18-56 over Four Hole Swamp | Fair | 375.0 ft | 425 | 1967 |
| S-18-25/zion RD over Halfway Gut Creek | Fair | 60.0 ft | 400 | 1950 |
| S-18-298/wright RD over Trib To Cypress Swamp | Fair | 44.9 ft | 400 | 1961 |
| S-471/harley RD over Polk Swamp | Fair | 44.9 ft | 400 | 1977 |
| S-18-136 over Captains Creek | Fair | 74.1 ft | 400 | 1994 |
| S-18-86/mt Zion RD over Trib Indian Field Swp | Fair | 27.9 ft | 375 | 1951 |
| S-54/mulberry RD over Wadboo Branch | Fair | 44.9 ft | 375 | 1963 |
| S-18-56 over Unnamed Stream | Fair | 29.9 ft | 375 | 1964 |
| S-18-56 over Unnamed Stream | Fair | 29.9 ft | 375 | 1964 |
| S-18-56 over Four Hole Swamp | Fair | 44.9 ft | 375 | 1967 |
| S-18-56 over Four Hole Swamp | Fair | 75.1 ft | 375 | 1967 |
| S-18-54 over I-95 | Fair | 346.1 ft | 375 | 1974 |
| S-18-86/mtzion RD over I-95 | Fair | 264.1 ft | 375 | 1974 |
| S-18-11 over I-95 | Fair | 255.9 ft | 350 | 1974 |
| S-54/mulberry RD over Spring Branch | Fair | 44.9 ft | 325 | 1963 |
| S-54/mulberry RD over Indian Field Swamp | Fair | 105.0 ft | 325 | 1963 |
| S-378/st Paul RD over Big Branch | Fair | 29.9 ft | 325 | 1966 |
| S-18-28 over I-26 | Fair | 262.1 ft | 275 | 1960 |
| S-18-28 over I-26 | Fair | 265.1 ft | 275 | 1961 |
| S-18-162 over Fishburne Creek | Fair | 29.9 ft | 275 | 1962 |
| S-18-16 over Cow Tail Creek | Fair | 44.9 ft | 275 | 1963 |
| S-18-244 over Trib To Cypress Swamp | Fair | 44.9 ft | 275 | 1964 |
| S-18-28 over Little Walnut Branch | Fair | 105.0 ft | 275 | 1973 |
| S-18-162 over Trib To Ashley River | Fair | 29.9 ft | 275 | 1974 |
| S-18-195/s Gum ST over Julia Creek | Fair | 44.9 ft | 275 | 1976 |
| S-18-137 over Drayton Swamp | Fair | 27.9 ft | 250 | 1957 |
| S-299/old Bell RD over Trib To Polk Swamp | Fair | 44.9 ft | 250 | 1961 |
| S-18-71/cowtail RD over Cowtail Creek | Fair | 60.0 ft | 250 | 1973 |
| S-18-71/cowtail RD over Unnamed Stream | Fair | 44.9 ft | 250 | 1975 |
| S-18-139 over Little Walnut Branch | Fair | 42.0 ft | 225 | 1958 |
| L-163/summers DR over Trib To Fishburne Crk | Fair | 27.9 ft | 225 | 1958 |
| S-18-139 over I-26 | Fair | 278.9 ft | 225 | 1960 |
| S-53/friendship RD over Bear Branch | Fair | 29.9 ft | 225 | 1961 |
| L-18-337 over I-26 | Fair | 262.1 ft | 225 | 1961 |
| S-578/westbury RD over Trib To Polk Swamp | Fair | 44.9 ft | 225 | 1970 |
| S-564/ponter DR over Trib To Dorchester Creek | Fair | 44.9 ft | 225 | 1971 |
| C-18-1032 over Gum Branch | Fair | 25.9 ft | 225 | 1995 |
| L-887/johnson RD over Little Walnut Br | Fair | 44.9 ft | 225 | 1984 |
| C-18-136 over Captains Creek | Fair | 22.0 ft | 225 | 1993 |
| C-1809/deer Run RD over Rumphs Hill Creek | Fair | 44.9 ft | 225 | 1985 |
| S-18-192 over Polk Swamp | Fair | 56.1 ft | 200 | 1956 |
| S-18-18 over Cattle Creek | Fair | 180.1 ft | 175 | 1994 |
| S-18-380 over Trib To Edisto River | Fair | 29.9 ft | 150 | 1963 |
| S-378/paul RD over Trib Indian Field Swamp | Fair | 29.9 ft | 150 | 1965 |
| S-18-19/wire RD over Cattle Creek | Fair | 134.8 ft | 150 | 1969 |
| S-18-19/wire RD over Box Branch | Fair | 60.0 ft | 150 | 1970 |
| S-18-37/gavins RD over Indian Field Swamp | Fair | 69.9 ft | 125 | 1952 |
| S-18-37/gavins RD over Indian Field Swamp | Fair | 42.0 ft | 125 | 1952 |
| S-18-162 over Trib To Scotts Creek | Fair | 29.9 ft | 125 | 1962 |
| S-18-161 over Gum Branch | Fair | 60.0 ft | 125 | 1975 |
| S-18-349/haven RD over Trib To Four Hole Swamp | Fair | 29.9 ft | 125 | 1980 |
| S-18-901/forest LN over Little Walnut Branch | Fair | 44.9 ft | 125 | 1980 |
| S-18-162 over Trib To Edisto River | Fair | 44.9 ft | 125 | 1983 |
| Sc 165 over Rr Ns & S-10-65 | Good | 825.1 ft | 34,500 | 1998 |
| S-18-230/ladson RD over Chandler Bridge Creek | Good | 89.9 ft | 30,600 | 2004 |
| Sc 165 over Saw Mill Creek | Good | 89.9 ft | 30,600 | 1989 |
| Sc 165 over Ashley River Overflow | Good | 29.9 ft | 28,700 | 2016 |
| Sc 165 over Ashley River | Good | 210.0 ft | 28,700 | 2016 |
| Sc 165 over Dorchester Creek | Good | 120.1 ft | 21,900 | 2016 |
| US 17 Alt over Unnamed Stream | Good | 22.0 ft | 16,500 | 1952 |
| S-22/orangeburg RD over Negro Branch | Good | 68.9 ft | 13,800 | 1999 |
| S-22/orangeburg RD over Rumphs Hill Creek | Good | 68.9 ft | 13,800 | 1999 |
| Sc 61 over Trib To Ashley River | Good | 23.0 ft | 12,200 | 1925 |
| Sc 61/ashleyrivrrd over Trib Of Ashley River | Good | 21.0 ft | 12,200 | 1925 |
| US 17 Alt over Fishburne Creek | Good | 34.1 ft | 11,600 | 1930 |
| US 78 over Four Hole Swamp | Good | 399.9 ft | 9,900 | 2017 |
| US 78 over Timothy Creek | Good | 20.0 ft | 7,800 | 2022 |
| Sc 165/delemar HWY over Fishburne Creek | Good | 65.9 ft | 7,700 | 2009 |
| Sc 165 over Trib To Rantowles Creek | Good | 89.9 ft | 7,700 | 2009 |
| Sc 165/delemar HWY over Fishburne Creek | Good | 74.1 ft | 7,700 | 2009 |
| Sc 165/delmar HWY over Rantowles Creek | Good | 33.1 ft | 7,700 | 2009 |
| Sc 165 over Fishbourne Creek | Good | 60.0 ft | 7,700 | 2009 |
| S-224/gahagan RD over Sawmill Branch | Good | 100.1 ft | 6,600 | 2008 |
| Sc 27/givhans RD over Captains Creek | Good | 26.9 ft | 3,700 | 1940 |
| S-58/butternut RD over Trib Rumphs Hill Crk | Good | 79.1 ft | 3,500 | 1997 |
| US 15 over Indian Field Swamp | Good | 113.8 ft | 3,500 | 2020 |
| S-18-22 over Stanley Branch | Good | 75.1 ft | 3,300 | 1986 |
| US 178/e Main ST over Walnut Creek (no. 1) | Good | 26.9 ft | 2,700 | 1928 |
| US 15/bass DR over Four Hole Swamp | Good | 210.0 ft | 2,400 | 2006 |
| S-18-19/wire RD over Four Hole Swamp | Good | 524.9 ft | 1,000 | 1999 |
| S-18-83 over Lee Branch | Good | 29.9 ft | 800 | 1965 |
| L-3434/walcackerdr over Eagle Creek | Good | 720.1 ft | 800 | 2015 |
| Burton Avenue over Chandler Bridge Creek | Good | 100.1 ft | 800 | 1998 |
| S-163/summers DR over Unknown Creek | Good | 29.9 ft | 750 | 2011 |
| S-18-29 over Edisto River Relief | Good | 129.9 ft | 750 | 2003 |
| S-18-29 over Edisto River Relief | Good | 129.9 ft | 750 | 2003 |
| S-18-29 over Edisto River Relief | Good | 100.1 ft | 750 | 2003 |
| S-18-29 over Edisto River Relief | Good | 60.0 ft | 750 | 2003 |
| S-18-29 over Edisto River | Good | 240.2 ft | 750 | 1980 |
| S-163/summers DR over Trib To Fishburne Creek | Good | 44.0 ft | 750 | 2016 |
| S-18-163/summersdr over Trib To Fishburne Creek | Good | 29.9 ft | 750 | 2011 |
| S-18-49/quaker RD over Cowtail Creek | Good | 49.9 ft | 650 | 2016 |
| S-18-49/quaker RD over Polk Swamp | Good | 49.9 ft | 650 | 2004 |
| S-18-83 over Polk Swamp | Good | 29.9 ft | 550 | 1965 |
| L-526 over Timothy Creek | Good | 120.1 ft | 530 | 2023 |
| S-18-16 over Indian Field Swamp | Good | 89.9 ft | 500 | 2004 |
| S-18-16 over Polk Swamp | Good | 69.9 ft | 500 | 2004 |
| S-18-174/carter RD over Trib To Captains Creek | Good | 40.0 ft | 375 | 2005 |
| S-174/carter RD over Captains Creek | Good | 74.1 ft | 375 | 2005 |
| S-122/w 2nd S ST over Unnamed Stream | Good | 60.0 ft | 375 | 2016 |
| S-18-86/mt Zion RD over Trib To Indian Field Swp | Good | 26.9 ft | 375 | 1973 |
| S-18-263/ashley DR over Sawmill Branch | Good | 74.1 ft | 250 | 2005 |
| S-18-135/smoak RD over Millpond Branch | Good | 44.9 ft | 250 | 1966 |
| S-18-180 over Polk Swamp | Good | 105.0 ft | 175 | 1957 |
| S-18-18 over Trib To Cattle Creek | Good | 49.9 ft | 175 | 2004 |
| S-18-119/legare RD over Unknown Stream | Good | 40.0 ft | 175 | 2006 |
| L-10-488/beverly D over Chandler Bridge Creek | Good | 70.9 ft | 150 | 2001 |
| S-18-87/peele RD over Trib To Polk Swamp | Good | 29.9 ft | 125 | 2010 |
| S-18-144 over Branch Of Cattle Creek | Good | 49.9 ft | 125 | 2006 |
| S-32/mcalhany RD over Box Branch | Good | 40.0 ft | 50 | 2004 |