Longest Bridges in South Carolina
The longest bridge in South Carolina is the I-526 over Cooper River, at 3.1 miles (16,450 ft) of total structure length. The table below ranks the longest bridges in South Carolina by structure length.
| Bridge | County | Length | Year Built | Daily Traffic |
|---|---|---|---|---|
| I-526 over Cooper River | Berkeley | 16,450 ft (3.1 mi) | 1992 | 76,300 |
| Sc 517 over Intracoastal Waterway | Charleston | 11,460 ft (2.2 mi) | 1993 | 20,000 |
| Sc 30 over Ashley Riv & Wappoo Crk | Charleston | 11,296 ft (2.1 mi) | 1993 | 61,400 |
| I-526 EB over US 52&s-60&rr Csxt&ns | Charleston | 10,615 ft (2.0 mi) | 1992 | 41,150 |
| I-526 WB over US 52&s-60&rr Csxt&ns | Charleston | 10,615 ft (2.0 mi) | 1992 | 41,150 |
| US 17 over Cooper River Town Creek | Charleston | 9,736 ft (1.8 mi) | 2005 | 94,100 |
| Sc 170 over Broad River | Beaufort | 9,000 ft (1.7 mi) | 2003 | 30,600 |
| I-526 EB over Wando Riv & Local Roads | Charleston | 7,899 ft (1.5 mi) | 1989 | 35,900 |
| I-526 WB over Wando Riv & Local Roads | Charleston | 7,899 ft (1.5 mi) | 1989 | 35,900 |
| Sc 700/maybank HWY over Stono River & Pennys Crk | Charleston | 7,316 ft (1.4 mi) | 2004 | 37,300 |
| I-26 EB over S-46/heriot ST | Charleston | 6,184 ft (1.2 mi) | 1968 | 60,100 |
| Sc 174 over Dawhoo River | Charleston | 5,583 ft (1.1 mi) | 1994 | 5,400 |
| US 76 WB over Great Pee Dee River | Marion | 4,698 ft (0.9 mi) | 1992 | 11,450 |
| US 76 EB over Great Pee Dee River | Marion | 4,658 ft (0.9 mi) | 1962 | 11,450 |
| I-95 NB over Lake Marion | Clarendon | 4,500 ft (0.9 mi) | 1968 | 19,800 |
| I-95 SB over Lake Marion | Clarendon | 4,500 ft (0.9 mi) | 1968 | 19,800 |
| S-10-5 over Rr Csxt & Bainbridge Con | Charleston | 4,446 ft (0.8 mi) | 2020 | 925 |
| S-10-5 over Rr Csxt & Bainbridge Con | Charleston | 4,412 ft (0.8 mi) | 2020 | 925 |
| US 21 NB over Beaufort River | Beaufort | 4,210 ft (0.8 mi) | 2012 | 14,400 |
| US 21 SB over Beaufort River | Beaufort | 4,209 ft (0.8 mi) | 1979 | 14,400 |
| Ramp Off I-26 EB over I-26&RAMPSON US 17&us 52 | Charleston | 4,038 ft (0.8 mi) | 2005 | 13,000 |
| US 378 over Great Pee Dee River | Marion | 4,033 ft (0.8 mi) | 2010 | 8,500 |
| Sc 22 WB over Kingston Lake | Horry | 3,960 ft (0.8 mi) | 2000 | 7,000 |
| Sc 22 EB over Kingston Lake | Horry | 3,959 ft (0.7 mi) | 2001 | 7,000 |
| I-526 EB over Ashley River&bull Creek | Charleston | 3,907 ft (0.7 mi) | 1980 | 40,750 |
| I-526 WB over Ashley River&bull Creek | Charleston | 3,907 ft (0.7 mi) | 1980 | 40,750 |
| US 17 Alt & Sc 41 over Santee River | Berkeley | 3,890 ft (0.7 mi) | 1998 | 5,600 |
| Sc 22 EB over Jones Big Swamp #3 | Horry | 3,680 ft (0.7 mi) | 2000 | 11,150 |
| Sc 22 WB over Jones Big Swamp #3 | Horry | 3,680 ft (0.7 mi) | 2000 | 11,150 |
| Sc 544 over Sc 707 & S-611 & Icww | Horry | 3,638 ft (0.7 mi) | 1994 | 28,000 |
| Sc 31 over Intracoastal Waterway | Horry | 3,632 ft (0.7 mi) | 2016 | 23,100 |
| Sc 35 over Rr Csxt | Lexington | 3,555 ft (0.7 mi) | 2003 | 12,000 |
| US 278 over S-7-835 & Broad Creek | Beaufort | 3,527 ft (0.7 mi) | 1994 | 31,200 |
| US 21 over Harbor River | Beaufort | 3,339 ft (0.6 mi) | 2021 | 2,600 |
| SR 404p-us 17 over Back River | Jasper | 3,290 ft (0.6 mi) | 2015 | 20,900 |
| US 21 over Battery Creek | Beaufort | 3,164 ft (0.6 mi) | 1994 | 32,900 |
| US 17 SB over I-26 & US 52/meeting ST | Charleston | 3,055 ft (0.6 mi) | 2005 | 47,050 |
| I-95 NB over Great Pee Dee River | Florence | 3,020 ft (0.6 mi) | 1967 | 23,150 |
| I-95 SB over Great Pee Dee River | Florence | 3,020 ft (0.6 mi) | 1967 | 23,150 |
| US 17 Sbl over Sampit River_& S-103 | Georgetown | 3,005 ft (0.6 mi) | 1984 | 12,600 |
| US 17 NB over Sampit River_& S-103 | Georgetown | 2,992 ft (0.6 mi) | 1988 | 12,600 |
| I-95 Nbl over Savannah River | Jasper | 2,854 ft (0.5 mi) | 1976 | 32,050 |
| I-95 Sbl over Savannah River | Jasper | 2,854 ft (0.5 mi) | 1976 | 32,050 |
| US 278 EB over Skull Creek | Beaufort | 2,822 ft (0.5 mi) | 1982 | 28,950 |
| US 278 WB over Skull Creek | Beaufort | 2,822 ft (0.5 mi) | 1982 | 28,950 |
| US 17 over Waccamaw River | Georgetown | 2,762 ft (0.5 mi) | 1966 | 25,600 |
| Sc 22 WB over Icww Overflow | Horry | 2,735 ft (0.5 mi) | 2000 | 15,550 |
| Ramp On I-526 WB over Filbin Creek & Rr Csxt | Charleston | 2,722 ft (0.5 mi) | 1992 | 7,000 |
| Sc 22 EB over Icww Overflow | Horry | 2,715 ft (0.5 mi) | 2000 | 15,550 |
| S-10-20/main RD over Stono River | Charleston | 2,682 ft (0.5 mi) | 2004 | 28,400 |
| US 76/us 378 EB over Wateree River | Sumter | 2,669 ft (0.5 mi) | 1987 | 9,350 |
| I-526 EB over I-26 & S-1600 & Rr | Charleston | 2,665 ft (0.5 mi) | 1990 | 41,550 |
| I-562 WB over I-26 | Charleston | 2,665 ft (0.5 mi) | 1990 | 41,550 |
| Ramp Off I-26 EB over IRR Csxt&rr&i-26&us 78 | Charleston | 2,652 ft (0.5 mi) | 2020 | 2,300 |
| Ramp Off I-526 EB over Rr Csxt | Charleston | 2,575 ft (0.5 mi) | 1992 | 6,700 |
| Ramp Off I-126 WB over Saluda Riv&i-26&i-126&rr | Richland | 2,486 ft (0.5 mi) | 1985 | 2,650 |
| I-26 WB Ramp Pro over Csx Railroad | Richland | 2,469 ft (0.5 mi) | 2024 | 91,400 |
| Ramp On I-26 WB over I-26 | Charleston | 2,398 ft (0.5 mi) | 1990 | 24,800 |
| Sc 12 over Congaree River | Lexington | 2,370 ft (0.4 mi) | 1976 | 24,500 |
| Wilkinson Way over Goose Creek | Berkeley | 2,299 ft (0.4 mi) | 1993 | 2,400 |
| Sc 7 over Ashley River | Charleston | 2,291 ft (0.4 mi) | 1953 | 47,800 |
| US 21 Bus over Beaufort River | Beaufort | 2,290 ft (0.4 mi) | 1960 | 15,600 |
| US 278 WB over Mackay Creek | Beaufort | 2,230 ft (0.4 mi) | 1983 | 28,950 |
| US 278 EB over Mackay Creek | Beaufort | 2,230 ft (0.4 mi) | 1956 | 28,950 |
| US 17 over Rr Csxt & US 52 Bus | Charleston | 2,217 ft (0.4 mi) | 2005 | 94,100 |
| US 17 SB over North Santee River | Georgetown | 2,164 ft (0.4 mi) | 1951 | 5,100 |
| US 17 NB over North Santee River | Georgetown | 2,162 ft (0.4 mi) | 1978 | 5,100 |
| Ramp On US 17 NB over Johnson ST & Rr Csxt | Charleston | 2,131 ft (0.4 mi) | 2005 | 6,300 |
| Sc 41 over Wando River | Berkeley | 2,087 ft (0.4 mi) | 2017 | 16,500 |
| Ga SR 72 over Savannah River | Abbeville | 2,043 ft (0.4 mi) | 1981 | 1,700 |
| Ramp On I-26 WB over Rr Csxt&rr Ns&us78 | Charleston | 2,031 ft (0.4 mi) | 2020 | 2,500 |
| Sc 34 over Great Pee Dee River | Marlboro | 2,023 ft (0.4 mi) | 1995 | 1,850 |
| S-406 Tarpon BLVD over Fripp Inlet | Beaufort | 1,990 ft (0.4 mi) | 1963 | 200 |
| Sc 170 over Little Back River | Jasper | 1,986 ft (0.4 mi) | 1925 | 3,800 |
| Sc 28 Ebl over Savannah River | Aiken | 1,971 ft (0.4 mi) | 1989 | 11,300 |
| I-385 Bridge Ramp over I-85 & I-385 | Greenville | 1,962 ft (0.4 mi) | 2019 | 12,550 |
| US 1 NB over Wateree River | Kershaw | 1,951 ft (0.4 mi) | 1967 | 17,100 |
| US 1 SB over Wateree River | Kershaw | 1,951 ft (0.4 mi) | 1998 | 17,100 |
| Sc 28 Wbl over Savannah River | Aiken | 1,949 ft (0.4 mi) | 1968 | 11,300 |
| US 17 over Little Rv.s-236 & 1110 | Horry | 1,903 ft (0.4 mi) | 1971 | 48,800 |
| US 1 NB over Great Pee Dee River | Marlboro | 1,901 ft (0.4 mi) | 1962 | 7,400 |
| US 1 SB over Great Pee Dee River | Marlboro | 1,898 ft (0.4 mi) | 1938 | 7,400 |
| I-520 over Savannah River | Aiken | 1,890 ft (0.4 mi) | 2004 | 19,200 |
| Sc 61 over Marsh | Charleston | 1,890 ft (0.4 mi) | 1995 | 21,000 |
| Sc 28 over Savannah River | McCormick | 1,882 ft (0.4 mi) | 1929 | 4,600 |
| Sc 170 over Chechessee River | Beaufort | 1,853 ft (0.4 mi) | 2003 | 30,600 |
| US 601 over Bates Old River | Richland | 1,837 ft (0.3 mi) | 2013 | 3,400 |
| S-26-1244 over Icww & L-3658 | Horry | 1,799 ft (0.3 mi) | 2010 | 27,200 |
| US 601 over Congaree River | Calhoun | 1,759 ft (0.3 mi) | 2012 | 3,300 |
| Sc 5 over Catawba Rv & S.c.l. Rr | Lancaster | 1,745 ft (0.3 mi) | 2013 | 18,900 |
| US 17 SB over Ashley River | Charleston | 1,732 ft (0.3 mi) | 1926 | 38,250 |
| I-26 EB over S-2472/oceanic ST | Charleston | 1,730 ft (0.3 mi) | 1967 | 43,900 |
| Sc 22 EB over Poplar Swamp | Horry | 1,720 ft (0.3 mi) | 2000 | 7,000 |
| Sc 22 WB over Poplar Swamp | Horry | 1,720 ft (0.3 mi) | 2000 | 7,000 |
| US 378/ga SR 43 over Savannah River | McCormick | 1,680 ft (0.3 mi) | 2016 | 2,700 |
| US 17 SB over South Santee River | Georgetown | 1,654 ft (0.3 mi) | 1950 | 5,100 |
| US 17 NB over South Santee River | Georgetown | 1,651 ft (0.3 mi) | 1978 | 5,100 |
| US 52 over Santee River | Berkeley | 1,649 ft (0.3 mi) | 2000 | 4,700 |
| US 17 SB over Harry M Hallman Jr BLVD | Charleston | 1,640 ft (0.3 mi) | 2005 | 33,000 |
| US 17 NB over Ashley River | Charleston | 1,633 ft (0.3 mi) | 1961 | 38,250 |
| US 701 over Great Pee Dee River | Georgetown | 1,620 ft (0.3 mi) | 2018 | 5,500 |
| L-1526 WB over S-242 | Beaufort | 1,574 ft (0.3 mi) | 2016 | 9,550 |
| US 301 over Savannah River | Allendale | 1,549 ft (0.3 mi) | 1965 | 1,300 |
| I-126 WB over Broad River | Richland | 1,540 ft (0.3 mi) | 1959 | 32,500 |
| I-126 EB over Broad River | Richland | 1,540 ft (0.3 mi) | 1978 | 32,500 |
| Sc 97 over Catawba River | Lancaster | 1,529 ft (0.3 mi) | 1986 | 1,050 |
| I-85 Bridge Ramp over I-385 &i-85 | Greenville | 1,522 ft (0.3 mi) | 2019 | 10,550 |
| Sc 34 over Broad Riv & Sou.rwy. | Fairfield | 1,520 ft (0.3 mi) | 1980 | 1,500 |
| Ramp Off I-526 EB over I-526 & S-56 | Charleston | 1,511 ft (0.3 mi) | 1991 | 8,600 |
| US 25 Bus over Savannah River | Aiken | 1,506 ft (0.3 mi) | 1939 | 20,700 |
| I-20 EB over Wateree River | Kershaw | 1,500 ft (0.3 mi) | 1970 | 22,100 |
| I-20 WB over Wateree River | Kershaw | 1,500 ft (0.3 mi) | 1970 | 22,100 |
| I-77 NB over L-66 | Lexington | 1,500 ft (0.3 mi) | 1985 | 47,350 |
| I-77 SB over L-66 & Overflow #2 | Lexington | 1,500 ft (0.3 mi) | 1985 | 47,350 |
| US 701 over Yauhannah Lake | Georgetown | 1,484 ft (0.3 mi) | 2018 | 5,500 |
| Sc 24 over Three & Twenty Creek | Anderson | 1,476 ft (0.3 mi) | 1960 | 13,700 |
| US 21 over Congaree River | Lexington | 1,463 ft (0.3 mi) | 1953 | 28,000 |
| Sc 24 over Seneca Riv-hartwell Res. | Anderson | 1,444 ft (0.3 mi) | 1960 | 13,700 |
| L-2771/heriot ST over Tidal Creek | Charleston | 1,439 ft (0.3 mi) | 2009 | 600 |
| I-77 NB over Congaree Creek | Lexington | 1,439 ft (0.3 mi) | 1985 | 47,350 |
| I-77 SB over Congaree Creek | Lexington | 1,439 ft (0.3 mi) | 1985 | 47,350 |
| US 15 over Great Pee Dee River | Marlboro | 1,439 ft (0.3 mi) | 2005 | 4,300 |
| Sc 41 over Black River | Williamsburg | 1,439 ft (0.3 mi) | 2003 | 7,400 |
| Sc 72 over Broad River | Chester | 1,430 ft (0.3 mi) | 2007 | 3,000 |
| Ramp On I-526 WB over Filbin Creek | Charleston | 1,427 ft (0.3 mi) | 1992 | 11,500 |
| Sc 9 SB over Catawba River | Lancaster | 1,424 ft (0.3 mi) | 2017 | 6,250 |
| Sc 9 NB over Catawba River | Lancaster | 1,424 ft (0.3 mi) | 1975 | 6,250 |
| Sc 49 over Catawba River | York | 1,416 ft (0.3 mi) | 2003 | 36,200 |
| US 17 over Great Pee Dee River | Georgetown | 1,413 ft (0.3 mi) | 1967 | 25,600 |
| Sc 22 Ramp over Icww & S-1407 | Horry | 1,394 ft (0.3 mi) | 2000 | 4,931 |
| Sc 31 Sbl Ramp over Sc 31 & Sc 22 | Horry | 1,390 ft (0.3 mi) | 2002 | 5,513 |
| I-20 over Broad River | Richland | 1,387 ft (0.3 mi) | 1965 | 123,700 |
| US 52/n US HWY 52 over Santee River Swamp | Berkeley | 1,379 ft (0.3 mi) | 2000 | 4,700 |
| US 15 over Great Pee Dee Swp (2) | Marlboro | 1,379 ft (0.3 mi) | 2008 | 4,300 |
| US 29 over C-23-75/60736071 | Greenville | 1,366 ft (0.3 mi) | 1960 | 37,200 |
| L-1526 EB over Tidal Marsh | Beaufort | 1,365 ft (0.3 mi) | 2016 | 9,550 |
| Ramp Off I-526 EB over Vegetative Right Of Wa | Charleston | 1,350 ft (0.3 mi) | 1992 | 13,200 |
| US 701 over Great Pee Dee Overflow | Horry | 1,350 ft (0.3 mi) | 2018 | 6,200 |
| US 1 over Congaree River | Richland | 1,339 ft (0.3 mi) | 1927 | 26,600 |
| I-77 NB over Congaree Swamp | Richland | 1,319 ft (0.2 mi) | 1984 | 47,350 |
| I-77 SB over Congaree Swamp | Richland | 1,319 ft (0.2 mi) | 1984 | 47,350 |
| I-185 NB over US 276 S-566 Cpdr Rr | Greenville | 1,313 ft (0.2 mi) | 2000 | 4,650 |
| I-185 SB over US 276 S-566 & Cpdr Rr | Greenville | 1,313 ft (0.2 mi) | 2000 | 4,650 |
| Ramp On I-26 EB over I-26&US 78 & Rr Csxt | Charleston | 1,308 ft (0.2 mi) | 2020 | 1,750 |
| I-77 NB over Congaree River | Lexington | 1,308 ft (0.2 mi) | 1985 | 47,350 |
| I-77 SB over Congaree River | Lexington | 1,308 ft (0.2 mi) | 1985 | 47,350 |
| US 76 over Lynches River | Florence | 1,301 ft (0.2 mi) | 2023 | 2,300 |
| US 21 NB over Whale Branch | Beaufort | 1,299 ft (0.2 mi) | 1991 | 8,900 |
| I-526 EB over Beresford Creek | Berkeley | 1,299 ft (0.2 mi) | 1988 | 33,450 |
| I-526 WB over Beresford Creek | Berkeley | 1,299 ft (0.2 mi) | 1988 | 33,450 |
| Sc 31 Nbl Ramp over Sc 31 & Sc 22 | Horry | 1,285 ft (0.2 mi) | 2002 | 6,342 |
| Ramp Off I-77 NB over I-20 & I-77 & I-77 SB | Richland | 1,282 ft (0.2 mi) | 1985 | 9,400 |
| US 1 over Lynches River | Kershaw | 1,279 ft (0.2 mi) | 2004 | 3,500 |
| I-20 over Savannah River | Aiken | 1,277 ft (0.2 mi) | 2021 | 64,300 |
| Sc 22 EB over Waccamaw River | Horry | 1,276 ft (0.2 mi) | 2000 | 11,150 |
| Sc 22 WB over Waccamaw River | Horry | 1,276 ft (0.2 mi) | 2000 | 11,150 |
| Ramp On US 17 SB over US 17 NB | Charleston | 1,274 ft (0.2 mi) | 2005 | 18,750 |
| US 501 over Waccamaw Riv Sclrr L-123 | Horry | 1,270 ft (0.2 mi) | 1937 | 22,700 |
| Ramp Off I-77 NB over I-26 & I-77 | Lexington | 1,256 ft (0.2 mi) | 1986 | 10,000 |
| US 78 over Edisto River | Orangeburg | 1,250 ft (0.2 mi) | 2011 | 2,000 |
| US 17 Nbl over Sc 707/l-2907 | Horry | 1,246 ft (0.2 mi) | 2017 | 23,150 |
| US 17 Sbl over Sc 707/l-2907 | Horry | 1,246 ft (0.2 mi) | 2017 | 23,150 |
| Ramp On I-26 WB over Access RD & US 52 | Charleston | 1,233 ft (0.2 mi) | 2005 | 13,400 |
| US 78/king ST over Rr Csxt & S-39 | Charleston | 1,230 ft (0.2 mi) | 2015 | 10,100 |
| US 701 over Black River | Georgetown | 1,229 ft (0.2 mi) | 1985 | 10,400 |
| L-2564/tidewaterrd over Shipyard Creek | Charleston | 1,226 ft (0.2 mi) | 2021 | 600 |
| Ga SR 10/us 1 over Cr2493 & Savannah River | Aiken | 1,208 ft (0.2 mi) | 1960 | 27,000 |
| US 378 over Lynches River | Florence | 1,200 ft (0.2 mi) | 2017 | 5,800 |
| L-1526 over Tidal Marsh | Beaufort | 1,190 ft (0.2 mi) | 2016 | 19,100 |
| Sc 119/clyo RD over Savannah River | Jasper | 1,173 ft (0.2 mi) | 1959 | 1,400 |
| Sc 35 over Congaree Creek | Lexington | 1,162 ft (0.2 mi) | 1999 | 11,900 |
| I-26 Ramp over EB To S-32 (spruill AVE | Charleston | 1,161 ft (0.2 mi) | 2020 | 2,500 |
| Sc 703 over Intracoastal Waterway | Charleston | 1,154 ft (0.2 mi) | 1945 | 15,500 |
| Sc 22 EB over US 17 | Horry | 1,148 ft (0.2 mi) | 2000 | 15,550 |
| US 29 over Savannah Riv/co RD In Ga | Anderson | 1,145 ft (0.2 mi) | 1956 | 4,800 |
| Sc 39 over Saluda Riv | Saluda | 1,140 ft (0.2 mi) | 1992 | 2,100 |
| I-85 Nbl over Seneca River | Anderson | 1,129 ft (0.2 mi) | 1963 | 24,850 |
| US 176 over Broad River | Richland | 1,125 ft (0.2 mi) | 2014 | 27,000 |
| Sc 22 Wbl over Jones Big Swamp #2 | Horry | 1,122 ft (0.2 mi) | 2000 | 11,150 |
| Sc 22 Ebl over Jones Big Swamp #2 | Horry | 1,119 ft (0.2 mi) | 2000 | 11,150 |
| US 501 Byp over Waccamaw River | Horry | 1,109 ft (0.2 mi) | 1958 | 56,800 |
| Sc 34 over Saluda River | Newberry | 1,105 ft (0.2 mi) | 1998 | 3,100 |
| Ramp On I-26 WB over Ramp To Romney Street | Charleston | 1,104 ft (0.2 mi) | 2005 | 5,500 |
| U.s. 221 over J. Strom Thurmond Dam | Oconee | 1,095 ft (0.2 mi) | 1950 | 1,350 |
| Sc 22 WB over US 17 | Horry | 1,091 ft (0.2 mi) | 2000 | 15,550 |
| US 17 over Marsh | Charleston | 1,085 ft (0.2 mi) | 2005 | 94,100 |
| US 401 over Lynches River | Darlington | 1,080 ft (0.2 mi) | 1955 | 1,400 |
| Sc 917 over Little Pee Dee River | Horry | 1,080 ft (0.2 mi) | 2013 | 2,100 |
| I-77 NB over US 76/378 & Sc 262 | Richland | 1,080 ft (0.2 mi) | 1991 | 43,250 |
| I-77 over Catawba River | York | 1,075 ft (0.2 mi) | 1973 | 124,700 |
| Ramp On I-26 WB over Ramp Off I-26 EB & US 78 | Charleston | 1,069 ft (0.2 mi) | 1969 | 30,450 |
| Ramp Off US 17 SB over US 52 Bus/morrison DR | Charleston | 1,066 ft (0.2 mi) | 2005 | 4,400 |
| I-85 Sbl over Seneca River | Anderson | 1,060 ft (0.2 mi) | 1963 | 24,850 |
| Sc 121 over Saluda River | Newberry | 1,050 ft (0.2 mi) | 1931 | 2,300 |
| Sc 171/folly RD over Folly River | Charleston | 1,049 ft (0.2 mi) | 2016 | 14,800 |
| US 29 over Broad River | Cherokee | 1,049 ft (0.2 mi) | 2007 | 10,100 |
| Sc 183 over Ns & Csxt Rr | Greenville | 1,049 ft (0.2 mi) | 2003 | 29,800 |
| Ramp Off I-26 EB over US 78/king Street | Charleston | 1,047 ft (0.2 mi) | 1969 | 30,450 |
| I-77 SB over US 76/378 & Sc 262 | Richland | 1,046 ft (0.2 mi) | 1991 | 43,250 |
| S-11 over Marsh | Charleston | 1,041 ft (0.2 mi) | 2021 | 5,600 |