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.

Drawn to scale

The 10 longest crossings in South Carolina, one scale

2,500 FT

1I-526 over Cooper RiverSC · 3.1 mi 2Sc 517 over Intracoastal WaterwaySC · 2.2 mi 3Sc 30 over Ashley Riv & Wappoo CrkSC · 2.1 mi 4I-526 EB over US 52&s-60&rr Csxt&nsSC · 2.0 mi · ×2 5US 17 over Cooper River Town CreekSC · 1.8 mi 6Sc 170 over Broad RiverSC · 1.7 mi 7I-526 EB over Wando Riv & Local RoadsSC · 1.5 mi · ×2 8Sc 700/maybank HWY over Stono River & Pennys CrkSC · 1.4 mi 9I-26 EB over S-46/heriot STSC · 1.2 mi 10Sc 174 over Dawhoo RiverSC · 1.1 mi For scale: the Golden Gate Bridge1.7 mi

Every bar is drawn to the same scale, colored by the bridge's overall condition (green good, orange fair, red poor). Tick marks are piers where they are far enough apart to see. Twin structures carrying the two directions of one road are shown once, marked ×2.

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