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
C-4-1149
FairOver: CHARLES CR
15.9 MI NE OF ANDERSON, Anderson, SC
Built 1965 Load: 41.1 t ADT: 1,350
I-95 NB
FairOver: SCL RAILROAD
6.2 MI SW OF FLORENCE, Florence, SC
Built 1967 Load: 41.1 t ADT: 18,800
C-22-896
FairOver: PETERS CREEK
10.7 MI N OF GEORGETOWN, Georgetown, SC
Built 1983 Load: 41.1 t ADT: 225
I-20 EB
FairOver: LUGOFF FARMS ROAD-PRIV
3MI SW OF CAMDEN, Kershaw, SC
Built 1969 Load: 41.1 t ADT: 21,100
SC 14
FairOver: REEDY CREEK
CITY OF LAURENS, Laurens, SC
Built 1947 Load: 41.1 t ADT: 4,200
I-20 WB
FairOver: LYNCHES RIVER
4 MI SE OF BISHOPVILLE, Lee, SC
Built 1972 Load: 41.1 t ADT: 14,450
SC 38
FairOver: THREE CREEKS
IN BLENHEIM, Marlboro, SC
Built 1994 Load: 41.1 t ADT: 9,100
US 176
FairOver: TYGER RIVER
10.4 MI S OF UNION, Union, SC
Built 1962 Load: 41.1 t ADT: 1,950
US 278 EB
FairOver: OKATIE RIVER
18MI SW OF BEAUFORT, Beaufort, SC
Built 1991 Load: 41.5 t ADT: 32,750
US 278 WB
FairOver: OKATIE RIVER
18MI SW OF BEAUFORT, Beaufort, SC
Built 1991 Load: 41.5 t ADT: 32,750
I-526 EB
FairOver: TIDAL CREEK
NEAR CHARLESTON, Berkeley, SC
Built 1987 Load: 41.5 t ADT: 35,650
I-526 WB
FairOver: TIDAL CREEK
NEAR CHARLESTON, Berkeley, SC
Built 1987 Load: 41.5 t ADT: 35,650
I-526 RAMP
FairOver: RAMP ON I-526 EB
NEAR MT PLEASANT, Charleston, SC
Built 1981 Load: 41.5 t ADT: 5,100
I-95 NB
FairOver: JEFFERIES CREEK
2.5MI W OF FLORENCE, Florence, SC
Built 1966 Load: 41.5 t ADT: 18,800
I-95 SB
FairOver: JEFFERIES CREEK
2.5MI W OF FLORENCE, Florence, SC
Built 1966 Load: 41.5 t ADT: 18,800
S-21-26
FairOver: BLACK CREEK
4.0 MI N FLORENCE, Florence, SC
Built 1985 Load: 41.5 t ADT: 6,200
S-22-266
FairOver: S CAUSEWAY TO PAWLEYS
PAWLEYS ISLAND, Georgetown, SC
Built 1997 Load: 41.5 t ADT: 2,200
S-8-29/NAD RD
FairOver: GOOSE CREEK
CITY OF GOOSE CREEK, Berkeley, SC
Built 1988 Load: 41.8 t ADT: 32,600
S-15-65
FairOver: FULLER SWAMP CREEK
6.4 MI NE WALT'B, Colleton, SC
Built 1996 Load: 41.8 t ADT: 475
S-23-21
FairOver: NS RR
3.3MI NE GREENVILLE, Greenville, SC
Built 1960 Load: 41.8 t ADT: 15,400
SC 576 WB
FairOver: SMITH SWAMP
1 MI SE OF MARION, Marion, SC
Built 1971 Load: 41.8 t ADT: 5,950
US 1 NB
FairOver: PEE DEE OVERFLOW (NO. 1)
0.5 MI NE OF CHERAW, Marlboro, SC
Built 1961 Load: 41.8 t ADT: 7,050
I-95 NB
FairOver: FOUR HOLE SWAMP
8 MI W OF HOLLY HILL, Orangeburg, SC
Built 1973 Load: 41.8 t ADT: 18,000
I-95 NB
FairOver: PROVIDENCE SWAMP
6 MI W OF HOLLY HILL, Orangeburg, SC
Built 1973 Load: 41.8 t ADT: 18,000
I-95 SB
FairOver: FOUR HOLE SWAMP
8 MI W OF HOLLY HILL, Orangeburg, SC
Built 1973 Load: 41.8 t ADT: 18,000
I-95 SB
FairOver: FOUR HOLE SWAMP
8 MI W OF HOLLY HILL, Orangeburg, SC
Built 1973 Load: 41.8 t ADT: 18,000
I-95 SB
FairOver: FOUR HOLE SWAMP
7 MI W OF HOLLY HILL, Orangeburg, SC
Built 1973 Load: 41.8 t ADT: 18,000
S-6-167
FairOver: ROSEMARY CREEK
6.5 MI NW BARNWELL, Barnwell, SC
Built 1996 Load: 42.1 t ADT: 125
C-11-677
FairOver: BR THICKETTY CK
5.9 MI SW GAFFNEY, Cherokee, SC
Built 2008 Load: 42.1 t ADT: 200
I-20
FairOver: SPEARS CREEK
12 MI SW OF CAMDEN, Kershaw, SC
Built 1966 Load: 42.1 t ADT: 53,500
S-36-56
FairOver: BR OF BIG BEAVERDAM
3.2 MI NW NEWBERRY, Newberry, SC
Built 1972 Load: 42.1 t ADT: 600
S-37-290
FairOver: CHAUGA RIVER
9 MI W WALHALLA, Oconee, SC
Built 1971 Load: 42.1 t ADT: 350
SC 4
FairOver: FOUR MILE CREEK
4MI W OF ORANGEBURG, Orangeburg, SC
Built 1923 Load: 42.1 t ADT: 7,300
I-95 NB
FairOver: FOUR HOLE SWAMP
7 MI W OF HOLLY HILL, Orangeburg, SC
Built 1973 Load: 42.1 t ADT: 18,000
RAMP OFF I-77 SB
FairOver: RAMP ON I-77 SB
7 MI N OF COLUMBIA, Richland, SC
Built 1978 Load: 42.1 t ADT: 24,600
SC 4/SC 302
FairOver: SHAWS CREEK
6 MI E OF AIKEN, Aiken, SC
Built 1988 Load: 42.4 t ADT: 3,400
S-7-59
FairOver: FIELD CREEK
11 MI NW BEAUFORT, Beaufort, SC
Built 1997 Load: 42.4 t ADT: 450
S-19-34
FairOver: BURKHALTER CREEK
9.2MI SW EDGEFIELD, Edgefield, SC
Built 1989 Load: 42.4 t ADT: 1,600
SC 9 NBL
FairOver: BUCK SWAMP BRANCH
7.5 MI SE OF LORIS, Horry, SC
Built 1984 Load: 42.4 t ADT: 8,700
S-32-1207
FairOver: TWELVEMILE CREEK
2 MI SW OF LEXINGTON, Lexington, SC
Built 2004 Load: 42.4 t ADT: 5,500
I-26
FairOver: CANNONS CREEK
4.6 MI N E OF NEWBERRY, Newberry, SC
Built 1960 Load: 42.4 t ADT: 43,900
I-20 WB
FairOver: SHAWS CREEK
6 MI N OF AIKEN, Aiken, SC
Built 1968 Load: 42.8 t ADT: 18,050
S-2-67
FairOver: HORSE CREEK
0.2 MI SE OF US 1, Aiken, SC
Built 2000 Load: 42.8 t ADT: 3,800
I-85 NBL
FairOver: THREE & TWENTY CREEK
8.9MI NW OF ANDERSON, Anderson, SC
Built 1962 Load: 42.8 t ADT: 23,950
US 278 EB
FairOver: RAMP 5012
HILTON HEAD ISLAND, Beaufort, SC
Built 1997 Load: 42.8 t ADT: 15,000
SC 97
FairOver: TRIB TO BULL RUN CREEK
5MI SE OF CHESTER, Chester, SC
Built 1940 Load: 42.8 t ADT: 2,500
US 521 NB
FairOver: GILLS CREEK
1.5 MI N OF LANCASTER, Lancaster, SC
Built 1965 Load: 42.8 t ADT: 12,200
S-2-145
FairOver: HORSE CREEK
1.0 MI S CLEARWATER, Aiken, SC
Built 1998 Load: 43.1 t ADT: 4,200
SC 88
FairOver: DOUBLE BRANCH
7.5MI NE OF PENDLETON, Anderson, SC
Built 1939 Load: 43.1 t ADT: 6,800
US 52
FairOver: CRAWL CREEK
17.4 MI N MONCKS CRN, Berkeley, SC
Built 1999 Load: 43.1 t ADT: 4,300
Showing 2,951-3,000 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 |