Longest Bridges in South Carolina

The longest bridge in South Carolina spans 16450.1 feet. The table below ranks the state's bridges by total structure length — from major river crossings and causeway spans to long highway overpasses.

How this ranking works

Length comes from the NBI structure length field and is shown in feet. It is best read as a scale and maintenance-complexity signal, not by itself as a safety signal.

Bridge	County	Length	Condition	Year Built
I-526 over Cooper River	Berkeley	16450.1 ft	Fair	1992
Sc 517 over Intracoastal Waterway	Charleston	11461.0 ft	Fair	1993
Sc 30 over Ashley Riv & Wappoo Crk	Charleston	11296.9 ft	Fair	1993
I-526 EB over US 52&s-60&rr Csxt&ns	Charleston	10615.2 ft	Fair	1992
I-526 WB over US 52&s-60&rr Csxt&ns	Charleston	10615.2 ft	Fair	1992
US 17 over Cooper River Town Creek	Charleston	9736.9 ft	Good	2005
Sc 170 over Broad River	Beaufort	9000.0 ft	Fair	2003
I-526 EB over Wando Riv & Local Roads	Charleston	7899.9 ft	Fair	1989
I-526 WB over Wando Riv & Local Roads	Charleston	7899.9 ft	Fair	1989
Sc 700/maybank HWY over Stono River & Pennys Crk	Charleston	7316.3 ft	Fair	2004
I-26 EB over S-46/heriot ST	Charleston	6184.1 ft	Fair	1968
Sc 174 over Dawhoo River	Charleston	5584.0 ft	Fair	1994
US 76 WB over Great Pee Dee River	Marion	4698.2 ft	Fair	1992
US 76 EB over Great Pee Dee River	Marion	4658.1 ft	Fair	1962
I-95 NB over Lake Marion	Clarendon	4500.0 ft	Fair	1968
I-95 SB over Lake Marion	Clarendon	4500.0 ft	Fair	1968
S-10-5 over Rr Csxt & Bainbridge Con	Charleston	4446.2 ft	Good	2020
S-10-5 over Rr Csxt & Bainbridge Con	Charleston	4412.7 ft	Good	2020
US 21 NB over Beaufort River	Beaufort	4211.0 ft	Fair	2012
US 21 SB over Beaufort River	Beaufort	4210.0 ft	Poor	1979
Ramp Off I-26 EB over I-26&RAMPSON US 17&us 52	Charleston	4038.1 ft	Good	2005
US 378 over Great Pee Dee River	Marion	4033.1 ft	Good	2010
Sc 22 WB over Kingston Lake	Horry	3960.3 ft	Fair	2000
Sc 22 EB over Kingston Lake	Horry	3960.0 ft	Fair	2001
I-526 EB over Ashley River&bull Creek	Charleston	3907.5 ft	Fair	1980
I-526 WB over Ashley River&bull Creek	Charleston	3907.5 ft	Fair	1980
US 17 Alt & Sc 41 over Santee River	Berkeley	3890.1 ft	Fair	1998
Sc 22 EB over Jones Big Swamp #3	Horry	3680.1 ft	Fair	2000
Sc 22 WB over Jones Big Swamp #3	Horry	3680.1 ft	Fair	2000
Sc 544 over Sc 707 & S-611 & Icww	Horry	3638.8 ft	Fair	1994
Sc 31 over Intracoastal Waterway	Horry	3632.5 ft	Good	2016
Sc 35 over Rr Csxt	Lexington	3555.1 ft	Good	2003
US 278 over S-7-835 & Broad Creek	Beaufort	3527.9 ft	Fair	1994
US 21 over Harbor River	Beaufort	3339.9 ft	Good	2021
SR 404p-us 17 over Back River	Jasper	3290.0 ft	Good	2015
US 21 over Battery Creek	Beaufort	3164.0 ft	Fair	1994
US 17 SB over I-26 & US 52/meeting ST	Charleston	3055.1 ft	Good	2005
I-95 NB over Great Pee Dee River	Florence	3020.0 ft	Poor	1967
I-95 SB over Great Pee Dee River	Florence	3020.0 ft	Fair	1967
US 17 Sbl over Sampit River_& S-103	Georgetown	3005.6 ft	Fair	1984
US 17 NB over Sampit River_& S-103	Georgetown	2992.5 ft	Good	1988
I-95 Nbl over Savannah River	Jasper	2855.0 ft	Fair	1976
I-95 Sbl over Savannah River	Jasper	2855.0 ft	Fair	1976
US 278 EB over Skull Creek	Beaufort	2822.5 ft	Fair	1982
US 278 WB over Skull Creek	Beaufort	2822.5 ft	Fair	1982
US 17 over Waccamaw River	Georgetown	2762.1 ft	Poor	1966
Sc 22 WB over Icww Overflow	Horry	2735.9 ft	Fair	2000
Ramp On I-526 WB over Filbin Creek & Rr Csxt	Charleston	2722.4 ft	Fair	1992
Sc 22 EB over Icww Overflow	Horry	2715.2 ft	Fair	2000
S-10-20/main RD over Stono River	Charleston	2682.4 ft	Good	2004
US 76/us 378 EB over Wateree River	Sumter	2669.9 ft	Fair	1987
I-526 EB over I-26 & S-1600 & Rr	Charleston	2665.0 ft	Good	1990
I-562 WB over I-26	Charleston	2665.0 ft	Fair	1990
Ramp Off I-26 EB over IRR Csxt&rr&i-26&us 78	Charleston	2652.6 ft	Good	2020
Ramp Off I-526 EB over Rr Csxt	Charleston	2575.8 ft	Fair	1992
Ramp Off I-126 WB over Saluda Riv&i-26&i-126&rr	Richland	2486.9 ft	Fair	1985
I-26 WB Ramp Pro over Csx Railroad	Richland	2469.8 ft	Good	2024
Ramp On I-26 WB over I-26	Charleston	2399.0 ft	Fair	1990
Sc 12 over Congaree River	Lexington	2370.1 ft	Poor	1976
Wilkinson Way over Goose Creek	Berkeley	2299.9 ft	Fair	1993
Sc 7 over Ashley River	Charleston	2291.0 ft	Poor	1953
US 21 Bus over Beaufort River	Beaufort	2290.0 ft	Fair	1960
US 278 WB over Mackay Creek	Beaufort	2230.6 ft	Fair	1983
US 278 EB over Mackay Creek	Beaufort	2230.3 ft	Poor	1956
US 17 over Rr Csxt & US 52 Bus	Charleston	2217.8 ft	Fair	2005
US 17 SB over North Santee River	Georgetown	2164.4 ft	Poor	1951
US 17 NB over North Santee River	Georgetown	2162.1 ft	Fair	1978
Ramp On US 17 NB over Johnson ST & Rr Csxt	Charleston	2131.9 ft	Good	2005
Sc 41 over Wando River	Berkeley	2087.9 ft	Good	2017
Ga SR 72 over Savannah River	Abbeville	2044.0 ft	Good	1981
Ramp On I-26 WB over Rr Csxt&rr Ns&us78	Charleston	2031.2 ft	Good	2020
Sc 34 over Great Pee Dee River	Marlboro	2024.0 ft	Fair	1995
S-406 Tarpon BLVD over Fripp Inlet	Beaufort	1990.2 ft	Fair	1963
Sc 170 over Little Back River	Jasper	1986.9 ft	Fair	1925
Sc 28 Ebl over Savannah River	Aiken	1971.1 ft	Fair	1989
I-385 Bridge Ramp over I-85 & I-385	Greenville	1962.9 ft	Good	2019
US 1 NB over Wateree River	Kershaw	1951.1 ft	Fair	1967
US 1 SB over Wateree River	Kershaw	1951.1 ft	Fair	1998
Sc 28 Wbl over Savannah River	Aiken	1949.1 ft	Fair	1968
US 17 over Little Rv.s-236 & 1110	Horry	1903.9 ft	Fair	1971
US 1 NB over Great Pee Dee River	Marlboro	1901.2 ft	Poor	1962
US 1 SB over Great Pee Dee River	Marlboro	1899.0 ft	Fair	1938
I-520 over Savannah River	Aiken	1890.7 ft	Good	2004
Sc 61 over Marsh	Charleston	1890.1 ft	Fair	1995
Sc 28 over Savannah River	McCormick	1882.5 ft	Fair	1929
Sc 170 over Chechessee River	Beaufort	1853.0 ft	Fair	2003
US 601 over Bates Old River	Richland	1837.6 ft	Good	2013
S-26-1244 over Icww & L-3658	Horry	1799.9 ft	Good	2010
US 601 over Congaree River	Calhoun	1759.8 ft	Fair	2012
Sc 5 over Catawba Rv & S.c.l. Rr	Lancaster	1745.1 ft	Good	2013
US 17 SB over Ashley River	Charleston	1732.9 ft	Fair	1926
I-26 EB over S-2472/oceanic ST	Charleston	1731.0 ft	Fair	1967
Sc 22 EB over Poplar Swamp	Horry	1720.1 ft	Fair	2000
Sc 22 WB over Poplar Swamp	Horry	1720.1 ft	Fair	2000
US 378/ga SR 43 over Savannah River	McCormick	1680.1 ft	Good	2016
US 17 SB over South Santee River	Georgetown	1654.9 ft	Fair	1950
US 17 NB over South Santee River	Georgetown	1651.6 ft	Fair	1978
US 52 over Santee River	Berkeley	1649.9 ft	Fair	2000
US 17 SB over Harry M Hallman Jr BLVD	Charleston	1640.1 ft	Good	2005
US 17 NB over Ashley River	Charleston	1633.9 ft	Poor	1961
US 701 over Great Pee Dee River	Georgetown	1620.1 ft	Good	2018
L-1526 WB over S-242	Beaufort	1574.1 ft	Good	2016
US 301 over Savannah River	Allendale	1549.9 ft	Poor	1965
I-126 WB over Broad River	Richland	1540.0 ft	Fair	1959
I-126 EB over Broad River	Richland	1540.0 ft	Fair	1978
Sc 97 over Catawba River	Lancaster	1529.9 ft	Fair	1986
I-85 Bridge Ramp over I-385 &i-85	Greenville	1522.6 ft	Good	2019
Sc 34 over Broad Riv & Sou.rwy.	Fairfield	1521.0 ft	Fair	1980
Ramp Off I-526 EB over I-526 & S-56	Charleston	1511.8 ft	Fair	1991
US 25 Bus over Savannah River	Aiken	1506.9 ft	Fair	1939
I-20 EB over Wateree River	Kershaw	1500.0 ft	Fair	1970
I-20 WB over Wateree River	Kershaw	1500.0 ft	Poor	1970
I-77 NB over L-66	Lexington	1500.0 ft	Fair	1985
I-77 SB over L-66 & Overflow #2	Lexington	1500.0 ft	Fair	1985
US 701 over Yauhannah Lake	Georgetown	1484.9 ft	Good	2018
Sc 24 over Three & Twenty Creek	Anderson	1476.0 ft	Fair	1960
US 21 over Congaree River	Lexington	1463.9 ft	Fair	1953
Sc 24 over Seneca Riv-hartwell Res.	Anderson	1444.9 ft	Fair	1960
L-2771/heriot ST over Tidal Creek	Charleston	1440.0 ft	Good	2009
I-77 NB over Congaree Creek	Lexington	1440.0 ft	Good	1985
I-77 SB over Congaree Creek	Lexington	1440.0 ft	Good	1985
US 15 over Great Pee Dee River	Marlboro	1440.0 ft	Good	2005
Sc 41 over Black River	Williamsburg	1440.0 ft	Good	2003
Sc 72 over Broad River	Chester	1430.1 ft	Good	2007
Ramp On I-526 WB over Filbin Creek	Charleston	1427.2 ft	Fair	1992
Sc 9 SB over Catawba River	Lancaster	1424.5 ft	Fair	2017
Sc 9 NB over Catawba River	Lancaster	1424.5 ft	Fair	1975
Sc 49 over Catawba River	York	1417.0 ft	Fair	2003
US 17 over Great Pee Dee River	Georgetown	1413.4 ft	Fair	1967
Sc 22 Ramp over Icww & S-1407	Horry	1394.0 ft	Good	2000
Sc 31 Sbl Ramp over Sc 31 & Sc 22	Horry	1390.1 ft	Good	2002
I-20 over Broad River	Richland	1387.1 ft	Fair	1965
US 52/n US HWY 52 over Santee River Swamp	Berkeley	1379.9 ft	Fair	2000
US 15 over Great Pee Dee Swp (2)	Marlboro	1379.9 ft	Good	2008
US 29 over C-23-75/60736071	Greenville	1366.1 ft	Poor	1960
L-1526 EB over Tidal Marsh	Beaufort	1365.2 ft	Good	2016
Ramp Off I-526 EB over Vegetative Right Of Wa	Charleston	1350.1 ft	Fair	1992
US 701 over Great Pee Dee Overflow	Horry	1350.1 ft	Good	2018
US 1 over Congaree River	Richland	1339.2 ft	Fair	1927
I-77 NB over Congaree Swamp	Richland	1319.9 ft	Good	1984
I-77 SB over Congaree Swamp	Richland	1319.9 ft	Good	1984
I-185 NB over US 276 S-566 Cpdr Rr	Greenville	1314.0 ft	Good	2000
I-185 SB over US 276 S-566 & Cpdr Rr	Greenville	1314.0 ft	Good	2000
Ramp On I-26 EB over I-26&US 78 & Rr Csxt	Charleston	1308.4 ft	Good	2020
I-77 NB over Congaree River	Lexington	1308.1 ft	Fair	1985
I-77 SB over Congaree River	Lexington	1308.1 ft	Fair	1985
US 76 over Lynches River	Florence	1301.8 ft	Good	2023
US 21 NB over Whale Branch	Beaufort	1299.9 ft	Fair	1991
I-526 EB over Beresford Creek	Berkeley	1299.9 ft	Fair	1988
I-526 WB over Beresford Creek	Berkeley	1299.9 ft	Fair	1988
Sc 31 Nbl Ramp over Sc 31 & Sc 22	Horry	1285.1 ft	Good	2002
Ramp Off I-77 NB over I-20 & I-77 & I-77 SB	Richland	1282.2 ft	Good	1985
US 1 over Lynches River	Kershaw	1279.9 ft	Good	2004
I-20 over Savannah River	Aiken	1277.9 ft	Good	2021
Sc 22 EB over Waccamaw River	Horry	1276.6 ft	Good	2000
Sc 22 WB over Waccamaw River	Horry	1276.6 ft	Good	2000
Ramp On US 17 SB over US 17 NB	Charleston	1274.9 ft	Good	2005
US 501 over Waccamaw Riv Sclrr L-123	Horry	1270.0 ft	Fair	1937
Ramp Off I-77 NB over I-26 & I-77	Lexington	1256.9 ft	Fair	1986
US 78 over Edisto River	Orangeburg	1250.0 ft	Good	2011
US 17 Nbl over Sc 707/l-2907	Horry	1246.4 ft	Good	2017
US 17 Sbl over Sc 707/l-2907	Horry	1246.4 ft	Good	2017
Ramp On I-26 WB over Access RD & US 52	Charleston	1233.9 ft	Good	2005
US 78/king ST over Rr Csxt & S-39	Charleston	1230.3 ft	Good	2015
US 701 over Black River	Georgetown	1230.0 ft	Fair	1985
L-2564/tidewaterrd over Shipyard Creek	Charleston	1226.0 ft	Good	2021
Ga SR 10/us 1 over Cr2493 & Savannah River	Aiken	1208.0 ft	Good	1960
US 378 over Lynches River	Florence	1200.1 ft	Good	2017
L-1526 over Tidal Marsh	Beaufort	1190.9 ft	Good	2016
Sc 119/clyo RD over Savannah River	Jasper	1173.2 ft	Fair	1959
Sc 35 over Congaree Creek	Lexington	1162.1 ft	Fair	1999
I-26 Ramp over EB To S-32 (spruill AVE	Charleston	1161.7 ft	Good	2020
Sc 703 over Intracoastal Waterway	Charleston	1154.2 ft	Fair	1945
Sc 22 EB over US 17	Horry	1149.0 ft	Good	2000
US 29 over Savannah Riv/co RD In Ga	Anderson	1145.0 ft	Poor	1956
Sc 39 over Saluda Riv	Saluda	1140.7 ft	Poor	1992
I-85 Nbl over Seneca River	Anderson	1129.9 ft	Fair	1963
US 176 over Broad River	Richland	1126.0 ft	Good	2014
Sc 22 Wbl over Jones Big Swamp #2	Horry	1122.7 ft	Fair	2000
Sc 22 Ebl over Jones Big Swamp #2	Horry	1119.1 ft	Fair	2000
US 501 Byp over Waccamaw River	Horry	1109.9 ft	Poor	1958
Sc 34 over Saluda River	Newberry	1105.6 ft	Fair	1998
Ramp On I-26 WB over Ramp To Romney Street	Charleston	1104.7 ft	Good	2005
U.s. 221 over J. Strom Thurmond Dam	Oconee	1095.8 ft	Fair	1950
Sc 22 WB over US 17	Horry	1091.9 ft	Good	2000
US 17 over Marsh	Charleston	1086.0 ft	Good	2005
US 401 over Lynches River	Darlington	1080.1 ft	Fair	1955
Sc 917 over Little Pee Dee River	Horry	1080.1 ft	Fair	2013
I-77 NB over US 76/378 & Sc 262	Richland	1080.1 ft	Fair	1991
I-77 over Catawba River	York	1075.1 ft	Fair	1973
Ramp On I-26 WB over Ramp Off I-26 EB & US 78	Charleston	1069.2 ft	Fair	1969
Ramp Off US 17 SB over US 52 Bus/morrison DR	Charleston	1066.9 ft	Good	2005
I-85 Sbl over Seneca River	Anderson	1060.0 ft	Poor	1963
Sc 121 over Saluda River	Newberry	1050.5 ft	Fair	1931
Sc 171/folly RD over Folly River	Charleston	1049.9 ft	Good	2016
US 29 over Broad River	Cherokee	1049.9 ft	Good	2007
Sc 183 over Ns & Csxt Rr	Greenville	1049.9 ft	Good	2003
Ramp Off I-26 EB over US 78/king Street	Charleston	1047.9 ft	Fair	1969
I-77 SB over US 76/378 & Sc 262	Richland	1046.6 ft	Fair	1991
S-11 over Marsh	Charleston	1041.0 ft	Good	2021