Total Bridges
5,396
Public highway bridges in South Carolina
State profile · Near median Poor share
South Carolina bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in South Carolina, based on the FHWA National Bridge Inventory.
- 5,396
- Public bridges
- 34.8%
- Good condition
- 6.1%
- Poor condition
Data updated May 2026
Good Condition
34.8%
1,876 bridges rated 7-9
-15.2pp vs 50% benchmark
Poor Condition
6.1%
329 bridges whose lowest applicable component is rated 0-4
-0.9pp vs national avg 7.0%
South Carolina vs national bridge condition
South Carolina - Good condition share 34.8%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
South Carolina - Poor-condition share 20.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Counties (46)
Abbeville 96 Aiken 103 Allendale 43 Anderson 267 Bamberg 48 Barnwell 45 Beaufort 45 Berkeley 136 Calhoun 34 Charleston 196 Cherokee 113 Chester 95 Chesterfield 126 Clarendon 85 Colleton 139 Darlington 95 Dillon 62 Dorchester 112 Edgefield 82 Fairfield 81 Florence 161 Georgetown 71 Greenville 373 Greenwood 75 Hampton 60 Horry 259 Jasper 73 Kershaw 94 Lancaster 110 Laurens 146 Lee 50 Lexington 135 Marion 61 Marlboro 52 McCormick 32 Newberry 111 Oconee 119 Orangeburg 160 Pickens 156 Richland 211 Saluda 66 Spartanburg 361 Sumter 100 Union 82 Williamsburg 108 York 167
South Carolina vs nearby ranks
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below South Carolina on the same metric.
ID
Idaho
5.51% top marginal rate
MS
Mississippi
5.92% top marginal rate
SC
South Carolina
6.10% top marginal rate
WI
Wisconsin
6.13% top marginal rate
NC
North Carolina
6.16% top marginal rate
Bridges Needing Most Attention in South Carolina
Six lowest-condition bridges in South Carolina, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
C-20-60
PoorOver: BR OF MORRIS CR
8.4 MI SW OF WINNSBORO, Fairfield, SC
Built 1960 Load: 0.3 t ADT: 125
S-12-353
PoorOver: BEAVER DAM CREEK
3MI NW GREAT FALLS, Chester, SC
Built 1974 Load: 0.6 t ADT: 200
C-30-548
PoorOver: NORTH RABON CREEK
11.5MI NW OF LAURENS, Laurens, SC
Built 1989 Load: 0.6 t ADT: 200
S-34-64
PoorOver: PITCH POT SWAMP
4MI W MARION, Marion, SC
Built 1967 Load: 1.0 t ADT: 200
S-39-250
PoorOver: MACHINE CREEK
8.0 MI N EASLEY, Pickens, SC
Built 1963 Load: 1.0 t ADT: 2,400
C-11-288
PoorOver: BR BROAD RIVER
3.8 MI SW BLACKBURG, Cherokee, SC
Built 1992 Load: 1.3 t ADT: 200
All Bridges in South Carolina
I-385 NB
UnknownOver: S-23-564 & CPDR
6.3 MI E OF GREENVILLE, Greenville, SC
Built 2019 ADT: 12,000
I-185 NB
UnknownOver: I-85
5.0 SW OF GREENVILLE, Greenville, SC
Built 1999 ADT: 54,500
I-85 BRIDGE RAMP
UnknownOver: I-385 &I-85
5.6 MI SE OF GREENVILLE, Greenville, SC
Built 2019 ADT: 61,700
I-385 BRIDGE RAMP
UnknownOver: I-85 & I-385
5.6 MI SE OF GREENVILLE, Greenville, SC
Built 2019 ADT: 65,150
RAMP OFF I-385 SB
UnknownOver: I-85
5.7 MI SE OF GREENVILLE, Greenville, SC
Built 2019 ADT: 46,100
I-385
UnknownOver: I-85
6 MI E OF GREENVILLE, Greenville, SC
Built 2019 ADT: 130,300
US 25 BYP
UnknownOver: S.C. 34, R.R., & CO RD
2.7 MI SE OF GREENWOOD, Greenwood, SC
Built 1968 ADT: 4,900
I-95 NB
UnknownOver: S-37
JASPER CO LN, Hampton, SC
Built 1969 ADT: 25
I-95 NB
UnknownOver: S.C. 68 & S.C.L. RR
1.7 MI NW OF YEMASSEE, Hampton, SC
Built 1969 ADT: 2,300
I-95 SB
UnknownOver: S.C. 68 & S.C.L. RR
1.7 MI NW OF YEMASSEE, Hampton, SC
Built 1969 ADT: 2,300
SC 90
UnknownOver: S.C.L. RR & S-14
2.0MI E OF CONWAY, Horry, SC
Built 1937 ADT: 750
US 501 BYP
UnknownOver: U.S.701
IN CONWAY, Horry, SC
Built 1958 ADT: 16,600
SC 9
UnknownOver: U.S. 17
1.5MI NW OF CHERRY GROVE, Horry, SC
Built 1970 ADT: 41,600
SC 9 NBL
UnknownOver: U.S. 17 SBL
3.0MI N OF CHERRY GROVE, Horry, SC
Built 1970 ADT: 31,600
US 17
UnknownOver: LITTLE RV.S-236 & 1110
2.0MI N OF CHERRY GROVE, Horry, SC
Built 1971 ADT: 4,000
US 17
UnknownOver: U.S. 501
2.0MI NW OF MYRTLE BEACH, Horry, SC
Built 1974 ADT: 60,700
US 17 NB
UnknownOver: SC 544
2.0 MI NW SURFSIDE, Horry, SC
Built 1980 ADT: 13,900
US 17 SBL
UnknownOver: SC 544
2.0 MI NW SURFSIDE, Horry, SC
Built 1980 ADT: 13,900
US 17 BUS SB
UnknownOver: US 17
AT MURRELLS INLET, Horry, SC
Built 1980 ADT: 18,150
SC 9 SBL
UnknownOver: US 701 & SCL RR
1.0 MI NE OF LORIS, Horry, SC
Built 1981 ADT: 5,950
SC 9 NBL
UnknownOver: US 701 & SCL RR
1.0 MI NE OF LORIS, Horry, SC
Built 1981 ADT: 5,900
SC 544
UnknownOver: SC 707 & S-611 & ICWW
AT SOCASTEE, Horry, SC
Built 1994 ADT: 20,200
S-26-97
UnknownOver: US 501
7.5MI NW OF CONWAY, Horry, SC
Built 2000 ADT: 25,700
US 701
UnknownOver: SC 22
5.5MI N OF CONWAY, Horry, SC
Built 2000 ADT: 8,800
SC 22 WB
UnknownOver: C-1769 HUCKS RD
7.5 MI NE OF CONWAY, Horry, SC
Built 2000 ADT: 125
SC 22 EB
UnknownOver: SC 90
5MI N BRIERCLIFF ACRES, Horry, SC
Built 2000 ADT: 7,550
SC 31 NBL
UnknownOver: C-26-367 FIRETOWER RD
21.95 MI NE SOCASTEE, Horry, SC
Built 2002 ADT: 15,300
SC 31 NBL
UnknownOver: SC 90
22.55 MI NE OF SOCASTEE, Horry, SC
Built 2002 ADT: 5,600
S-26-1315 SB
UnknownOver: US 17
IN MYRTLE BEACH, Horry, SC
Built 2002 ADT: 23,400
S-26-1315
UnknownOver: GRISSOM PARKWAY TUNNEL
IN MYRTLE BEACH, Horry, SC
Built 2002 ADT: 250
S-26-1315
UnknownOver: SC 31
0.3 MI N. MYRTLE BEACH, Horry, SC
Built 2002 ADT: 49,200
C-26-638 LONG BAY
UnknownOver: SC 31
5.5 MI W N MYRTLE BEACH, Horry, SC
Built 2002 ADT: 42,800
SC 31 SB
UnknownOver: US 501
3 MI N. OF MYRTLE BEACH, Horry, SC
Built 2002 ADT: 25,050
SC 22 EB
UnknownOver: US 17
1 MI N BRIARCLIFF ACRES, Horry, SC
Built 2000 ADT: 51,200
SC 31 NB
UnknownOver: US 501
3 MI N. OF MYRTLE BEACH, Horry, SC
Built 2004 ADT: 30,350
SC 31 NB
UnknownOver: SC 22
7 MI N OF MYRTLE BEACH, Horry, SC
Built 2002 ADT: 11,950
SC 31 SB
UnknownOver: SC 22
7 MI N OF MYRTLE BEACH, Horry, SC
Built 2002 ADT: 11,950
S-26-1315
UnknownOver: L-6311
IN MYRTLE BEACH, Horry, SC
Built 2002 ADT: 250
SC 31 SB
UnknownOver: C-26-834
3 MI N OR N MYRTLE BEACH, Horry, SC
Built 2002 ADT: 2,250
SC 31 SBL RAMP
UnknownOver: SC 31 & SC 22
3 MI N OR MYRTLE BEACH, Horry, SC
Built 2002 ADT: 42,800
SC 31 NBL RAMP
UnknownOver: SC 31 & SC 22
6 MI N OF MYRTLE BEACH, Horry, SC
Built 2002 ADT: 23,900
US 17 NBL
UnknownOver: SC 707/L-2907
MYRTLE BEACH CITY LIMIT, Horry, SC
Built 2017 ADT: 13,750
S-26-1244
UnknownOver: US 17
MYRTLE BEACH, Horry, SC
Built 2001 ADT: 75,700
S-26-1244
UnknownOver: ICWW & L-3658
MYRTLE BEACH, Horry, SC
Built 2010 ADT: 250
C-26-2903
UnknownOver: US 501
1 MI S OF AYNOR, Horry, SC
Built 2010 ADT: 25,500
S-26-926
UnknownOver: SC 31
1 MI W SOCASTEE, Horry, SC
Built 2016 ADT: 23,800
SC 31
UnknownOver: SC 544
3 MI N MYRTLE BEACH, Horry, SC
Built 2004 ADT: 17,800
SC 31
UnknownOver: SC 544
3 MI N MYRTLE BEACH, Horry, SC
Built 2004 ADT: 17,800
I-95 SB
UnknownOver: SC 336
@ RIDGELAND, Jasper, SC
Built 1965 ADT: 5,250
S-27-29
UnknownOver: I-95
0.8 MI SE RIDGELAND, Jasper, SC
Built 1965 ADT: 56,300
Showing 251-300 of 5,396 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.