Total Bridges
5,396
Public highway bridges in South Carolina
State profile · Near national median SD
South Carolina bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in South Carolina — drawn straight from the FHWA National Bridge Inventory.
- 5,396
- Public bridges
- 34.8%
- Good condition
- 6.1%
- Poor condition
- 6.1%
- Structurally deficient
Good Condition
34.8%
1,876 bridges rated 7-9
-15.2pp vs 50% benchmark
Poor Condition
6.1%
329 bridges rated 0-4
Structurally Deficient
6.1%
329 bridges flagged for repair priority
-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 — Structurally deficient share 20.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — South Carolina (FHWA NBI)
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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below South Carolina on the same metric.
16
Idaho
5.51% top marginal rate
28
Mississippi
5.92% top marginal rate
45
South Carolina
6.10% top marginal rate
55
Wisconsin
6.13% top marginal rate
37
North Carolina
6.16% top marginal rate
Bridges Needing Most Attention in South Carolina
Six lowest-condition bridges in South Carolina, ranked by composite NBI rating. Each is inspected at least every 24 months.
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
SC 33
FairOver: LITTLE BULL SWAMP
8MI NE OF ORANGEBURG, Orangeburg, SC
Built 1938 Load: 32.1 t ADT: 2,000
S-39-100
FairOver: BIG ESTATOE
10.0 MI NW PICKENS, Pickens, SC
Built 1990 Load: 32.1 t ADT: 150
SC 16
FairOver: SMITH BRANCH
2 MI NW OF COLUMBIA, Richland, SC
Built 1943 Load: 32.1 t ADT: 16,800
RAMP ON I-20 WB
FairOver: STREAM
5 MI NE OF COLUMBIA, Richland, SC
Built 1965 Load: 32.1 t ADT: 6,700
S-2-1020
FairOver: SHAWS CREEK
4.1MI SE TRENTON, Aiken, SC
Built 1970 Load: 32.4 t ADT: 325
US 21
FairOver: EDISTO RIVER
.2 MI NW US 21 & SC 61, Bamberg, SC
Built 1927 Load: 32.4 t ADT: 1,350
US 52 EB
FairOver: LAUREL CREEK
10.2MI SW MONCKS CRN, Berkeley, SC
Built 1971 Load: 32.4 t ADT: 20,000
US 52 EB
FairOver: LAUREL CREEK SWAMP
10.2MI SW MONCKS CORNER, Berkeley, SC
Built 1971 Load: 32.4 t ADT: 20,000
S-9-43
FairOver: HALFWAY SWAMP
4 MI E ST MATHEWS, Calhoun, SC
Built 1935 Load: 32.4 t ADT: 300
S-11-165
FairOver: THICKETTY CREEK
4.7MI NW GAFFNEY, Cherokee, SC
Built 1974 Load: 32.4 t ADT: 275
SC 901
FairOver: LITTLE ROCKY CREEK
3.6MI N OF FAIRFIELD CO L, Chester, SC
Built 1948 Load: 32.4 t ADT: 225
I-77 NB
FairOver: SCL RAILROAD
1.8 MI S YORK CO LINE, Chester, SC
Built 1978 Load: 32.4 t ADT: 27,600
I-77 SBL
FairOver: FISHING CREEK
1.3 MI S YORK CO LINE, Chester, SC
Built 1979 Load: 32.4 t ADT: 27,600
SC 102
FairOver: NORTH PRONG CREEK
3.7 MI S OF CHESTERFIELD, Chesterfield, SC
Built 1948 Load: 32.4 t ADT: 1,650
US 15/HWY 15
FairOver: POLK SWAMP
3.4 MI S ST GEORGE, Dorchester, SC
Built 1931 Load: 32.4 t ADT: 2,700
US 25
FairOver: BEAVERDAM CK OVERFLOW
IN EDGEFIELD S OF SC 23, Edgefield, SC
Built 1915 Load: 32.4 t ADT: 6,800
S-20-362
FairOver: LITTLE CEDAR CR
7.3 MI S WINNSBORO, Fairfield, SC
Built 1981 Load: 32.4 t ADT: 200
SC 261
FairOver: PENNY ROYAL CREEK
17 MI N GEORGETOWN, Georgetown, SC
Built 1948 Load: 32.4 t ADT: 1,000
US 17 ALT
FairOver: COMBAHEE SWAMP #1
1.3 MI NE YEMASSEE, Hampton, SC
Built 1940 Load: 32.4 t ADT: 1,700
US 601
FairOver: WHIPPY SWAMP
4.0 MI NE HAMPTON, Hampton, SC
Built 1958 Load: 32.4 t ADT: 1,100
S-29-72
FairOver: TRIB LITTLE LYNCHES RV
1MI NE HEATH SPRINGS, Lancaster, SC
Built 1924 Load: 32.4 t ADT: 425
S-30-48
FairOver: SALUDA RIVER
16.9 MI SW LAURENS, Laurens, SC
Built 1975 Load: 32.4 t ADT: 125
SC 183
FairOver: CONEROSS CREEK
3.0 MI N OF WESTMINSTER, Oconee, SC
Built 1958 Load: 32.4 t ADT: 2,800
US 21
FairOver: EDISTO RIVER SWAMP
8MI S OF BRANCHVILLE, Orangeburg, SC
Built 1956 Load: 32.4 t ADT: 1,600
SC 137
FairOver: 12 MILE CREEK
1.3 MI NW OF NORRIS, Pickens, SC
Built 1972 Load: 32.4 t ADT: 3,100
C-40-1165
FairOver: VISTA GREENWAY TRAIL
CITY OF COLUMBIA, Richland, SC
Built 1964 Load: 32.4 t ADT: 150
S-41-25
FairOver: CLOUDS CREEK
12.0 MI E SALUDA, Saluda, SC
Built 1971 Load: 32.4 t ADT: 100
US 176 WB
FairOver: LAWSON FORK CREEK
4.0 MI E INMAN, Spartanburg, SC
Built 1932 Load: 32.4 t ADT: 12,600
S-46-714
FairOver: BR TO TAYLORS CREEK
4.0 MI S ROCK HILL, York, SC
Built 1998 Load: 32.4 t ADT: 1,350
SC 460
FairOver: STEELE CREEK
3 MI NORTH OF FORT MILL, York, SC
Built 2007 Load: 32.4 t ADT: 11,100
S-1-33
FairOver: DOUBLE BRANCH
3.2 MI SE ABBEVILLE, Abbeville, SC
Built 1987 Load: 32.7 t ADT: 325
C-2-3114
FairOver: POLE BRANCH
N AUGUSTA, Aiken, SC
Built 1976 Load: 32.7 t ADT: 175
US 301
FairOver: SALKEHATCHIE RIVER SWAMP
1/2MI N OF ULMERS, Allendale, SC
Built 1959 Load: 32.7 t ADT: 2,500
S-4-71
FairOver: LAKE HARTWELL
8.8MI NW ANDERSON, Anderson, SC
Built 1962 Load: 32.7 t ADT: 2,600
US 52
FairOver: REDIVERSION CANAL
16.3 MI-NE-MONCKS CORNER, Berkeley, SC
Built 1983 Load: 32.7 t ADT: 4,300
S-9-132
FairOver: SOUTHERN RR
5 MI NE ST MATHEWS, Calhoun, SC
Built 1993 Load: 32.7 t ADT: 25
SC 213
FairOver: LITTLE RIVER
5 MI N OF JENKINSVILLE, Fairfield, SC
Built 1978 Load: 32.7 t ADT: 1,150
S-21-49
FairOver: LYNCHES RIVER BRANCH
5 MI NW JOHNSONVILLE, Florence, SC
Built 1974 Load: 32.7 t ADT: 375
S-21-55
FairOver: LYNCHES RIVER
4 MI NW COWARD, Florence, SC
Built 1982 Load: 32.7 t ADT: 950
US 501
FairOver: CHINNERS MILL BRANCH
1.0MI E OF AYNOR, Horry, SC
Built 1948 Load: 32.7 t ADT: 25,500
US 501
FairOver: BRUNSON CREEK
8.8 MI W OF CONWAY, Horry, SC
Built 1948 Load: 32.7 t ADT: 25,700
US 76
FairOver: BOGGY BRANCH
4 MI N OF FLOYD, Horry, SC
Built 1961 Load: 32.7 t ADT: 3,200
SC 56
FairOver: DUNCAN CREEK
9.8 MI NE OF LAURENS, Laurens, SC
Built 1937 Load: 32.7 t ADT: 950
S-34-60
FairOver: LITTLE PEE DEE RIVER
3MI W NICHOLS, Marion, SC
Built 1974 Load: 32.7 t ADT: 1,600
US 176
FairOver: DUNCAN CREEK
14.9 MI N E OF NEWBERRY, Newberry, SC
Built 1952 Load: 32.7 t ADT: 3,600
SC 210
FairOver: CATTLE CREEK
8MI NE OF BRANCHVILLE, Orangeburg, SC
Built 1925 Load: 32.7 t ADT: 1,150
US 178
FairOver: TRIB ROCKY BOTTOM CK
10.6 MI-NW-PICKENS, Pickens, SC
Built 1932 Load: 32.7 t ADT: 800
S-40-1196
FairOver: WINDSOR LAKE
2 MI NE OF DENTSVILLE, Richland, SC
Built 1983 Load: 32.7 t ADT: 3,200
HILL STREET
FairOver: WILDCAT CREEK
W OF LEE RD, Richland, SC
Built 1999 Load: 32.7 t ADT: 4,100
I-85
FairOver: GRAYS CREEK
6.5 MI W SPARTANBURG, Spartanburg, SC
Built 1959 Load: 32.7 t ADT: 102,300
Showing 2,551-2,600 of 5,396 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |