| I-85 over Trib Laurel Crk | Greenville | 113,800 | 1960 | 22.6 ft |
| I-26 over Rr Csxt | Charleston | 94,100 | 1963 | 828.1 ft |
| US 501 Byp over U.s.701 | Horry | 56,800 | 1958 | 560.0 ft |
| US 501 Byp over Waccamaw River | Horry | 56,800 | 1958 | 1109.9 ft |
| Sc 7 over Ashley River | Charleston | 47,800 | 1953 | 2291.0 ft |
| US 29 over Mountain Creek | Greenville | 47,300 | 1939 | 146.7 ft |
| US 29 over Enoree River | Greenville | 47,300 | 1939 | 240.2 ft |
| I-26 over Cannons Creek | Newberry | 42,700 | 1960 | 42.7 ft |
| US 276 over P And N Rr. | Greenville | 41,300 | 1934 | 139.1 ft |
| S-8-62 over I-26 | Berkeley | 39,100 | 1961 | 262.1 ft |
| US 501 over Crabtree Swamp | Horry | 38,600 | 1948 | 31.8 ft |
| US 17 NB over Ashley River | Charleston | 38,250 | 1961 | 1633.9 ft |
| Sc 703 over Shem Creek | Charleston | 37,500 | 1947 | 310.0 ft |
| US 29 over C-23-75/60736071 | Greenville | 37,200 | 1960 | 1366.1 ft |
| I-77 SB over US 21 | Richland | 36,350 | 1976 | 270.0 ft |
| I-95 over Hope Swamp | Sumter | 33,200 | 1967 | 42.7 ft |
| US 1 over I-77 | Richland | 31,000 | 1977 | 285.4 ft |
| US 123 over L-3199/reedy River | Greenville | 30,600 | 1968 | 754.9 ft |
| US 29 over Reedy River | Greenville | 30,500 | 1959 | 160.1 ft |
| US 52/us 17 Alt over Cooper River | Berkeley | 29,000 | 1944 | 766.1 ft |
| US 278 EB over Mackay Creek | Beaufort | 28,950 | 1956 | 2230.3 ft |
| Sc 9 over Sc 85 | Spartanburg | 27,100 | 1958 | 312.0 ft |
| US 501 over Chinners Swamp | Horry | 25,600 | 1948 | 42.7 ft |
| US 501 over Brunson Creek | Horry | 25,600 | 1948 | 25.3 ft |
| US 17 over Waccamaw River | Georgetown | 25,600 | 1966 | 2762.1 ft |
| I-85 Sbl over Seneca River | Anderson | 24,850 | 1963 | 1060.0 ft |
| I-26 EB over Sc 85 | Spartanburg | 24,550 | 1959 | 235.9 ft |
| I-26 WB over Sc 85 | Spartanburg | 24,550 | 1959 | 235.9 ft |
| Sc 12 over Congaree River | Lexington | 24,500 | 1976 | 2370.1 ft |
| I-77 NB over Rocky Creek | Chester | 24,350 | 1979 | 390.1 ft |
| US 52 over Jefferies Creek | Florence | 24,100 | 1938 | 131.9 ft |
| US 221 over Csxt Rr | Spartanburg | 24,000 | 1949 | 159.1 ft |
| US 21 over Congaree Creek | Lexington | 23,200 | 1922 | 87.9 ft |
| I-95 NB over Great Pee Dee River | Florence | 23,150 | 1967 | 3020.0 ft |
| US 701 over Crabtree Swamp | Horry | 23,000 | 1920 | 43.3 ft |
| I-20 WB over Wateree River | Kershaw | 22,100 | 1970 | 1500.0 ft |
| US 76 over Rr Csxt | Richland | 21,600 | 1939 | 396.0 ft |
| I-26 WB over Indian Creek | Newberry | 20,850 | 1960 | 210.0 ft |
| US 17 Alt over Ashley River | Dorchester | 19,800 | 1971 | 210.0 ft |
| I-185 over S-149 | Greenville | 19,600 | 1959 | 180.1 ft |
| US 176 over Ns Rr | Spartanburg | 19,500 | 1954 | 165.0 ft |
| US 17 over Edisto River | Colleton | 19,300 | 1953 | 680.1 ft |
| US 76 over US 601 | Richland | 19,100 | 1957 | 180.1 ft |
| I-20 WB over S.c. 19 | Aiken | 18,700 | 1968 | 211.9 ft |
| S-10-97 over Tidal Stream | Charleston | 18,100 | 1972 | 29.9 ft |
| US 701 over Bear Swamp | Horry | 17,400 | 1931 | 31.8 ft |
| Sc 183 over Saluda River | Greenville | 16,100 | 1954 | 319.9 ft |
| US 76 over U.s. 15 | Sumter | 15,800 | 1957 | 169.9 ft |
| Sc 417 over US 276 NB & C. P. Rr | Greenville | 14,900 | 1930 | 326.1 ft |
| US 321 over Crane Creek | Richland | 14,900 | 1927 | 174.9 ft |
| Sc 8 over Rices Creek | Pickens | 14,600 | 1920 | 100.1 ft |
| US 21 SB over Beaufort River | Beaufort | 14,400 | 1979 | 4210.0 ft |
| US 76 over U.s. 76 Business | Sumter | 14,300 | 1958 | 180.1 ft |
| US 701 over Maple Swamp | Horry | 14,100 | 1931 | 31.5 ft |
| US 76 over Middle Swamp | Florence | 14,000 | 1937 | 87.9 ft |
| US 501 SB over Little Pee Dee River | Horry | 13,900 | 1974 | 375.0 ft |
| Sc 81 over Saluda River & S-4-143 | Anderson | 13,500 | 1969 | 339.9 ft |
| US 221 over I-85 | Spartanburg | 12,900 | 1988 | 386.2 ft |
| US 276 over North Saluda River | Greenville | 12,800 | 1940 | 149.9 ft |
| Sc 146 over Enoree River | Spartanburg | 12,400 | 1958 | 290.0 ft |
| US 29 over Ns | Spartanburg | 12,200 | 1939 | 225.4 ft |
| US 123 over Georges Creek | Pickens | 12,200 | 1948 | 200.1 ft |
| US 521 SB over Rr Csxt | Lancaster | 12,150 | 1929 | 128.0 ft |
| US 21 NB over S-46-697 & Rr Lc | York | 12,100 | 1966 | 208.0 ft |
| Sc 576 over Catfish Canal | Marion | 11,900 | 1971 | 72.2 ft |
| Sc 124 over Saluda River | Greenville | 11,600 | 1940 | 299.9 ft |
| S-42-31 over Peters Creek | Spartanburg | 11,000 | 1963 | 149.9 ft |
| US 15 SB over Pocotaligo River | Sumter | 10,600 | 1935 | 168.3 ft |
| Sc 129 over Jordan Creek | Spartanburg | 10,300 | 1952 | 149.9 ft |
| Sc 557 over Beaver Dam Creek | York | 10,200 | 1938 | 149.9 ft |
| Sc 9 Bus over Crooked Creek | Marlboro | 10,100 | 1921 | 99.1 ft |
| Sc 9 over Lake Bowen | Spartanburg | 10,000 | 1959 | 399.9 ft |
| US 501 Sbl over Little Pee Dee Swp-4 | Marion | 9,950 | 1974 | 450.1 ft |
| US 78 over Four Hole Swamp | Dorchester | 9,900 | 1948 | 374.0 ft |
| S-43-55 over Shot Pouch Branch | Sumter | 9,900 | 1960 | 44.9 ft |
| S-23-164 over I-85 | Greenville | 9,600 | 1959 | 232.9 ft |
| US 25 NB over S-119 & N. Saluda River | Greenville | 9,550 | 1972 | 384.8 ft |
| US 25 SB over S-119 & N. Saluda River | Greenville | 9,550 | 1972 | 384.8 ft |
| S-42-525 over Sc 85 | Spartanburg | 9,500 | 1958 | 250.0 ft |
| S-23-189 over Reedy River | Greenville | 9,500 | 1959 | 160.1 ft |
| S-32-204 over Red Bank Creek | Lexington | 9,500 | 1968 | 75.1 ft |
| S-23-447 over Brushy Creek | Greenville | 9,100 | 1981 | 89.9 ft |
| Sc 421 over Sou. Railroad | Aiken | 9,000 | 1956 | 190.0 ft |
| Sc 421 over Little Horse Creek | Aiken | 9,000 | 1926 | 65.0 ft |
| Sc 421 over Horse Creek | Aiken | 9,000 | 1957 | 149.9 ft |
| US 29 over Cherokee Creek | Cherokee | 8,900 | 1931 | 174.9 ft |
| Sc 274 over Big Allison Creek | York | 8,850 | 1975 | 319.9 ft |
| S-42-65 over Sc 85 | Spartanburg | 8,700 | 1958 | 278.9 ft |
| US 178 over Eighteen Mile Creek | Pickens | 8,500 | 1951 | 89.9 ft |
| Sc 9 over Ropers Mill Branch | Dillon | 8,300 | 1920 | 26.9 ft |
| Sc 9 over Phillis Creek | Marlboro | 8,300 | 1932 | 42.7 ft |
| S-42-41 over Sc 85 | Spartanburg | 8,200 | 1958 | 226.0 ft |
| US 278 & Sc 125 over Sou. Railroad | Aiken | 8,100 | 1951 | 190.0 ft |
| US 278 over Horse Creek | Aiken | 8,100 | 1951 | 240.2 ft |
| US 278/sc 125 over U S 1 | Aiken | 8,100 | 1952 | 110.6 ft |
| US 76 over Norfolk Southern Rr | Anderson | 7,900 | 1929 | 172.9 ft |
| S-23-13 over US 276 | Greenville | 7,700 | 1958 | 232.0 ft |
| US 29 over Southern Railroad | Cherokee | 7,600 | 1928 | 107.9 ft |
| US 15 over Panther Creek | Marlboro | 7,600 | 1925 | 31.8 ft |
| Sc 290 over South Tyger River | Spartanburg | 7,400 | 1940 | 169.9 ft |
| US 1 NB over Great Pee Dee River | Marlboro | 7,400 | 1962 | 1901.2 ft |
| US 52 WB over Lynches River Swamp | Florence | 7,200 | 1950 | 89.9 ft |
| Sc 34 over I-95 | Dillon | 7,200 | 1966 | 263.1 ft |
| US 52 Wbl over Lynches River Swamp | Florence | 7,200 | 1974 | 120.1 ft |
| Sc 188 over Lake Keowee (cane Ck) | Oconee | 7,100 | 1969 | 691.9 ft |
| Sc 125 Sbl over Hollow Creek | Aiken | 7,050 | 1951 | 120.1 ft |
| US 29 over Little Thicketty Creek | Cherokee | 7,000 | 1929 | 149.9 ft |
| US 76 EB over Broadway Creek | Anderson | 7,000 | 1920 | 127.6 ft |
| Sc 200 over Camp Creek | Lancaster | 6,600 | 1938 | 109.9 ft |
| US 17 NB over Huspa Creek | Beaufort | 6,600 | 1993 | 89.9 ft |
| US 17 SB over Huspa Creek | Beaufort | 6,600 | 1993 | 89.9 ft |
| US 321 over Rr Ns | York | 6,400 | 1956 | 160.1 ft |
| C-4-3634 over C & N W Railroad | Anderson | 6,300 | 1929 | 42.0 ft |
| US 176 over Enoree River | Newberry | 6,300 | 1940 | 639.8 ft |
| Sc 11 over S Pacolet River | Spartanburg | 6,300 | 1964 | 210.0 ft |
| Sc 11 over Little Cane Creek | Oconee | 6,200 | 1969 | 120.1 ft |
| Sc 72 over South Fork Creek | Chester | 6,100 | 1929 | 374.0 ft |
| US 76 over Catfish Branch | Marion | 5,900 | 1941 | 31.8 ft |
| US 76 over Catfish Branch | Marion | 5,900 | 1941 | 74.1 ft |
| S-42-43 over Pacolet River | Spartanburg | 5,900 | 1959 | 299.9 ft |
| S-4-141 over Blue Ridge Rr | Anderson | 5,800 | 1938 | 109.9 ft |
| US 601 over Colonels Creek | Richland | 5,700 | 1939 | 175.9 ft |
| Sc 421 over Stream | Aiken | 5,700 | 1927 | 21.0 ft |
| S-21-356 over High Hill Creek | Florence | 5,700 | 1984 | 105.0 ft |
| S-42-242 over South Tyger River | Spartanburg | 5,600 | 1955 | 270.0 ft |
| Sc 93 over Norfolk Southern Rr | Pickens | 5,500 | 1954 | 149.9 ft |
| S-42-191 over Br Of Lawson Fork CR | Spartanburg | 5,500 | 1971 | 105.0 ft |
| S-42-191 over Sc 85 | Spartanburg | 5,500 | 1958 | 210.0 ft |
| S-43-152 over Rr Csxt & Divine Street | Sumter | 5,100 | 1940 | 722.4 ft |
| US 17 SB over North Santee River | Georgetown | 5,100 | 1951 | 2164.4 ft |
| S-42-967 over Fair Forest Creek | Spartanburg | 5,100 | 1981 | 60.0 ft |
| Sc 20 over Saluda River | Greenville | 5,000 | 1930 | 330.1 ft |
| S-39-30 over Trib To 18 Mile CR | Pickens | 5,000 | 1958 | 60.0 ft |
| US 178 over Moores Creek | Saluda | 4,900 | 1949 | 65.9 ft |
| US 29 over Savannah Riv/co RD In Ga | Anderson | 4,800 | 1956 | 1145.0 ft |
| S-32-168 over Congaree Creek | Lexington | 4,800 | 1974 | 75.1 ft |
| US 21 over Rocky Creek | Chester | 4,700 | 1938 | 402.6 ft |
| US 52 over Rediversion Canal | Berkeley | 4,700 | 1983 | 700.8 ft |
| US 21 over Fishing Creek | Chester | 4,600 | 1937 | 285.1 ft |
| S-43-269 over Us76/378&s-43-1428 1429 | Sumter | 4,500 | 1990 | 332.0 ft |
| Sc 101 over Enoree River | Laurens | 4,200 | 1953 | 310.0 ft |
| S-39-135 over Hamilton CR | Pickens | 4,200 | 1957 | 44.9 ft |
| Sc 9 SB over Naked Creek | Marlboro | 4,150 | 1975 | 89.9 ft |
| Sc 56 over Fairforest Creek | Spartanburg | 4,100 | 1950 | 160.1 ft |
| US 1 over S.c.l. Railroad | Chesterfield | 4,100 | 1962 | 196.9 ft |
| S-32-231 over Camping Creek | Lexington | 4,100 | 1973 | 470.1 ft |
| S-46-31 over U.s. 21 | York | 4,000 | 1965 | 226.0 ft |
| S-42-42 over Pacolet River | Spartanburg | 4,000 | 1968 | 419.9 ft |
| Sc 11 over I-85 | Oconee | 3,900 | 1976 | 378.0 ft |
| Sc 8 over Oolenoy River | Pickens | 3,800 | 1938 | 149.9 ft |
| US 176 over Target Creek | Orangeburg | 3,800 | 1950 | 21.3 ft |
| Sc 319 over Chinners Mill Br (no. 3) | Horry | 3,800 | 1970 | 89.9 ft |
| S-16-18 over Black Creek | Darlington | 3,700 | 1969 | 134.8 ft |
| US 178 over Bull Swamp | Orangeburg | 3,600 | 1940 | 109.9 ft |
| C-42-787 over Csxt Rr | Spartanburg | 3,500 | 1913 | 102.0 ft |
| S-9-22 over Caw Caw Creek | Calhoun | 3,300 | 1935 | 38.1 ft |
| S-42-242 over I-85 | Spartanburg | 3,300 | 1959 | 226.0 ft |
| Sc 11 over Gville Water Works Pipes | Pickens | 3,300 | 1970 | 180.1 ft |
| S-42-138 over Trib To Lawsons Fork CR | Spartanburg | 3,300 | 1978 | 29.9 ft |
| Sc 215 over Big Cedar Creek | Richland | 3,200 | 1928 | 220.1 ft |
| Sc 49 over Fairforest Creek | Union | 3,200 | 1931 | 375.0 ft |
| Sc 308 over I-385 | Laurens | 3,200 | 1959 | 308.1 ft |
| S-39-355 over Trib To Machine Ck | Pickens | 3,200 | 1967 | 60.0 ft |
| S-26-105 over Stanley Creek | Horry | 3,200 | 1970 | 75.1 ft |
| S-43-40 over Cane Savannah Creek | Sumter | 3,200 | 1990 | 75.1 ft |
| Sc 70 over Roberts Swamp | Orangeburg | 3,100 | 1957 | 50.5 ft |
| Sc 135 over Trib Carpenter Ck (1) | Pickens | 3,100 | 1959 | 44.9 ft |
| S-430 over Jimmies Creek | Spartanburg | 3,100 | 1960 | 24.9 ft |
| US 301 over Agnay Swamp | Marion | 3,000 | 1930 | 32.2 ft |
| US 15 over Little Seed Tick Creek | Darlington | 3,000 | 1931 | 21.0 ft |
| US 15 over Big Seed Tick Creek | Darlington | 3,000 | 1931 | 21.0 ft |
| S-22-46 over Pawleys Creek | Georgetown | 3,000 | 1986 | 210.0 ft |
| Sc 64/bells HWY over Buckhead Creek Trib | Colleton | 2,900 | 1931 | 251.0 ft |
| Sc 150 over Pacolet River | Spartanburg | 2,900 | 1953 | 341.5 ft |
| S-42-88 over Fairforest Creek | Spartanburg | 2,900 | 1987 | 120.1 ft |
| Sc 41 over Back Swamp | Marion | 2,800 | 1930 | 31.8 ft |
| S-29-55 over Twelve Mile Creek | Lancaster | 2,800 | 1938 | 149.9 ft |
| S-39-160 over Trib To Keowee River | Pickens | 2,800 | 1958 | 75.1 ft |
| Sc 121 over I-26 | Newberry | 2,800 | 1959 | 233.9 ft |
| S-24-285 over Rocky Creek | Greenwood | 2,800 | 1962 | 120.1 ft |
| S-39-270 over Fifteen Mile Creek | Pickens | 2,800 | 1965 | 60.0 ft |
| S-42-77 over Middle Tyger River | Spartanburg | 2,800 | 1977 | 120.1 ft |
| US 15 over Edisto River | Dorchester | 2,700 | 1928 | 299.9 ft |
| US 278/grays HWY over Bay Swamp | Jasper | 2,700 | 1932 | 23.0 ft |
| Sc 288 over South Saluda River | Greenville | 2,700 | 1958 | 149.9 ft |
| Sc 150 over Thicketty Creek | Cherokee | 2,700 | 1973 | 305.1 ft |
| S-42-974 over Meadow Creek | Spartanburg | 2,700 | 1960 | 75.1 ft |
| US 76 over Little Pee Dee River | Marion | 2,600 | 1926 | 352.0 ft |
| Sc 41 over Nicholson Creek | Berkeley | 2,600 | 1941 | 27.9 ft |
| Sc 453 over Four Hole Swamp | Orangeburg | 2,600 | 1975 | 240.2 ft |
| S-43-77 over Bush Branch | Sumter | 2,600 | 1982 | 60.0 ft |
| Sc 215 over Little River | Richland | 2,500 | 1928 | 399.9 ft |
| Sc 72 over Duncan Creek | Laurens | 2,500 | 1940 | 149.9 ft |
| Sc 72 over Duncan Creek | Laurens | 2,500 | 1940 | 149.9 ft |
| Sc 72 over Tyger River | Union | 2,500 | 1958 | 752.3 ft |
| S-39-56 over Mid Br Of Bushy CR | Pickens | 2,500 | 1967 | 44.9 ft |
| S-39-90 over Wolf Creek | Pickens | 2,500 | 1967 | 75.1 ft |
| S-16-1040 over Black Creek | Darlington | 2,500 | 1980 | 240.2 ft |
| S-26-154 over Murrells Inlet Creek | Horry | 2,500 | 1997 | 68.9 ft |
| S-46-75 over Turkey Creek | York | 2,400 | 1939 | 40.0 ft |