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 403
FairOver: DEEP HOLE SWAMP
0.2MI W OF I-95, Florence, SC
Built 1982 Load: 38.6 t ADT: 2,100
S-22-302
FairOver: TRIB-MIDWAY INLET
LITCHFIELD BEACH, Georgetown, SC
Built 1994 Load: 38.6 t ADT: 1,600
S-26-23
FairOver: LAKE SWAMP
10 MI SE GALIVANTS FERRY, Horry, SC
Built 1992 Load: 38.6 t ADT: 1,450
SC 560
FairOver: GARRISON CREEK
14.8 MI SE OF NEWBERRY, Laurens, SC
Built 1948 Load: 38.6 t ADT: 650
S-44-52
FairOver: SUGAR CREEK
5.6 MI W OF UNION, Union, SC
Built 1986 Load: 38.6 t ADT: 500
S-44-221
FairOver: MITCHELL CREEK
7.9 MI NW UNION, Union, SC
Built 1992 Load: 38.6 t ADT: 175
I-95 SB
FairOver: GREAT PEE DEE SWAMP
11MI W LATTA, Dillon, SC
Built 1966 Load: 38.9 t ADT: 23,350
I-95 SB
FairOver: POCCOSIN SWAMP
8MI W LATTA, Dillon, SC
Built 1967 Load: 38.9 t ADT: 23,350
SC 9 SBL
FairOver: WACCAMAW RIVER
3.0 MI SE OF LONGS, Horry, SC
Built 1986 Load: 38.9 t ADT: 13,900
SC 9 SBL
FairOver: WACCAMAW RIVER SWAMP
3.0 MI SE OF LONGS, Horry, SC
Built 1986 Load: 38.9 t ADT: 13,900
SC 9 NBL
FairOver: WACCAMAW RIVER
3.0 MI SE OF LONGS, Horry, SC
Built 1986 Load: 38.9 t ADT: 13,900
SC 9 NBL
FairOver: WACCAMAW RIVER SWAMP
3.0 MI SE OF LONGS, Horry, SC
Built 1986 Load: 38.9 t ADT: 13,900
I-20 WB
FairOver: GILLIES CREEK
2.5 SW OF CAMDEN, Kershaw, SC
Built 1970 Load: 38.9 t ADT: 21,100
SC 9 SB
FairOver: CANE CREEK
4.0 MI W OF LANCASTER, Lancaster, SC
Built 1965 Load: 38.9 t ADT: 6,150
S-32-53
FairOver: BLACK CREEK
5 MI SW OF PELION, Lexington, SC
Built 1988 Load: 38.9 t ADT: 75
I-26
FairOver: CRIMS CREEK
10.6 MI SE OF NEWBERRY, Newberry, SC
Built 1960 Load: 38.9 t ADT: 44,000
SC 395
FairOver: SCOTTS CREEK
NEWBERRY CITY LIMITS, Newberry, SC
Built 1975 Load: 38.9 t ADT: 3,000
SC 215
FairOver: SLATESTONE CREEK
8 MI NW OF COLUMBIA, Richland, SC
Built 1928 Load: 38.9 t ADT: 3,200
C-42-919
FairOver: PACOLET RIVER
4.5MI NW INMAN, Spartanburg, SC
Built 1991 Load: 38.9 t ADT: 225
S-43-33
FairOver: GREEN SWAMP
2 MI SW OF SUMTER, Sumter, SC
Built 2003 Load: 38.9 t ADT: 8,600
SC 49
FairOver: ROSS BRANCH
1.7 MI S YORK, York, SC
Built 1926 Load: 38.9 t ADT: 3,900
I-20 EB
FairOver: GA & FLA RR (NO TRACKS)
2 MI N OF N AUGUSTA, Aiken, SC
Built 1966 Load: 39.2 t ADT: 24,500
S-4-73
FairOver: THREE & TWENTY CREEK
7.3MI NE PENDLETON, Anderson, SC
Built 1980 Load: 39.2 t ADT: 700
US 17 NB
FairOver: HUSPA CREEK
1 MI. E. SHELDON, Beaufort, SC
Built 1993 Load: 39.2 t ADT: 6,750
US 17 SB
FairOver: HUSPA CREEK
1 MI. E. SHELDON, Beaufort, SC
Built 1993 Load: 39.2 t ADT: 6,750
I-526 WB
FairOver: TIDAL CREEK
NEAR CHARLESTON, Charleston, SC
Built 1988 Load: 39.2 t ADT: 35,650
RAMP OFF I-526
FairOver: FIBLIN CREEK
IN N. CHARLESTON, Charleston, SC
Built 1993 Load: 39.2 t ADT: 10,600
S-11-31
FairOver: THICKETTY CREEK
3.8MI W GAFFNEY, Cherokee, SC
Built 1974 Load: 39.2 t ADT: 1,700
SC 215
FairOver: CHICKEN CREEK
5.6 MI S OF CHESTER CO LN, Fairfield, SC
Built 1927 Load: 39.2 t ADT: 1,050
I-95 NB
FairOver: S.C.L. RAILROAD
2.5MI N OF GA/SC LN, Jasper, SC
Built 1976 Load: 39.2 t ADT: 31,800
I-95 SB
FairOver: S.C.L. RAILROAD
2.5MI N OF GA/SC LN, Jasper, SC
Built 1976 Load: 39.2 t ADT: 31,800
SC 34
FairOver: GREAT PEE DEE RIVER
6.0 MI SW BROWNSVILLE, Marlboro, SC
Built 1995 Load: 39.2 t ADT: 1,450
C-36-304
FairOver: TRIB TO LK GREENWOOD
17.5 MI SW NEWBERRY, Newberry, SC
Built 2005 Load: 39.2 t ADT: 125
S-38-50
FairOver: FOUR HOLE SWAMP
8 MI E ORANGEBURG, Orangeburg, SC
Built 1992 Load: 39.2 t ADT: 750
S-42-35
FairOver: NORFOLK SOUTHERN RR
1.5 MI NW LANDRUM, Spartanburg, SC
Built 2001 Load: 39.2 t ADT: 700
US 378 WB
FairOver: BLACK RIVER SWAMP (NO. 1
10 MI E OF SUMTER, Sumter, SC
Built 2006 Load: 39.2 t ADT: 5,750
US 301
FairOver: LOG BRANCH
2 MI N OF ALLENDALE, Allendale, SC
Built 1955 Load: 39.5 t ADT: 1,950
S-4-41
FairOver: BEAR CREEK
10.0MI SE ANDERSON, Anderson, SC
Built 1969 Load: 39.5 t ADT: 1,300
SC 413
FairOver: GOVERNORS CREEK
10.4 MI SE OF ANDERSON, Anderson, SC
Built 1973 Load: 39.5 t ADT: 1,200
S-21-66
FairOver: BIG SWAMP
3.0 MI NW SALEM, Florence, SC
Built 1981 Load: 39.5 t ADT: 275
S-21-12
FairOver: JEFFRIES CREEK
CHURCH ST - FLORENCE, Florence, SC
Built 1982 Load: 39.5 t ADT: 18,100
S-24-38
FairOver: SALUDA RIVER
TOWN OF WARE SHOALS, Greenwood, SC
Built 1980 Load: 39.5 t ADT: 1,200
S-29-75
FairOver: HANGING ROCK CREEK
1MI W KERSHHAW, Lancaster, SC
Built 1925 Load: 39.5 t ADT: 475
S-40-95
FairOver: GILLS CREEK
4 MI E OF COLUMBIA, Richland, SC
Built 1988 Load: 39.5 t ADT: 6,600
S-42-64
FairOver: MIDDLE TYGER RIVER
4.0 MI SW SPARTANBURG, Spartanburg, SC
Built 1978 Load: 39.5 t ADT: 6,000
I-26
FairOver: MURPH MILL CREEK
10MI NW OF ST MATTHEWS, Calhoun, SC
Built 1960 Load: 39.9 t ADT: 55,200
SC 145
FairOver: ADAMS CREEK
3.1 MI N OF CHESTERFIELD, Chesterfield, SC
Built 1930 Load: 39.9 t ADT: 950
I-20 EB
FairOver: LAKE SWAMP
3MI NE OF LAMAR, Darlington, SC
Built 1973 Load: 39.9 t ADT: 15,150
I-95 NB
FairOver: GR. PEE DEE SWP & F-RD
11MI NE OF FLORENCE, Florence, SC
Built 1966 Load: 39.9 t ADT: 23,350
I-95 NB
FairOver: GR. PEE DEE SWP & F-RD
11MI NE OF FLORENCE, Florence, SC
Built 1966 Load: 39.9 t ADT: 23,350
Showing 2,851-2,900 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 |