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
S-23-48
FairOver: GILDER CREEK
2.6 MI E MAULDIN, Greenville, SC
Built 1948 Load: 31.1 t ADT: 5,000
S-23-149
FairOver: REEDY RIVER
CITY OF GREENVILLE, Greenville, SC
Built 1969 Load: 31.1 t ADT: 17,200
S-23-38
FairOver: S C L RAILROAD
TOWN OF TAYLORS, Greenville, SC
Built 1975 Load: 31.1 t ADT: 5,200
S-30-77
FairOver: SOUTH RABON CREEK
10.4 MI NW LAURENS, Laurens, SC
Built 1992 Load: 31.1 t ADT: 325
SC 453
FairOver: DEAR RUN SWAMP
1MI S OF EUTAWVILLE, Orangeburg, SC
Built 1944 Load: 31.1 t ADT: 2,800
US 1
FairOver: RR CSXT
5 MI NE OF COLUMBIA, Richland, SC
Built 1935 Load: 31.1 t ADT: 20,300
SC 277 SB
FairOver: RR CSXT
4 MI NE OF COLUMBIA, Richland, SC
Built 1974 Load: 31.1 t ADT: 20,150
S-42-866
FairOver: HOLSTON CREEK
1.0 MI S CAMPOBELLO, Spartanburg, SC
Built 1922 Load: 31.1 t ADT: 600
US 521
FairOver: OX SWAMP
10.0 MI SE OF KINGSTREE, Williamsburg, SC
Built 1931 Load: 31.1 t ADT: 3,000
S-46-54
FairOver: BIG ALLISON CREEK
7.2 MI NE YORK, York, SC
Built 1977 Load: 31.1 t ADT: 4,700
US 321 BYP
FairOver: DRY FORK CREEK
1.2MI W OF CHESTER, Chester, SC
Built 1937 Load: 31.4 t ADT: 6,600
US 1
FairOver: LITTLE ALLIGATOR CREEK
5.1 MI NE OF MCBEE, Chesterfield, SC
Built 1930 Load: 31.4 t ADT: 1,800
SC 145
FairOver: INDIAN CREEK
CHESTERFIELD CITY LIMITS, Chesterfield, SC
Built 1936 Load: 31.4 t ADT: 1,850
SC 102
FairOver: INDIAN CREEK
CHESTERFIELD CITY LIMITS, Chesterfield, SC
Built 1941 Load: 31.4 t ADT: 2,300
S-14-36
FairOver: PUDDING SWAMP
3MI S TURBEVILLE, Clarendon, SC
Built 2000 Load: 31.4 t ADT: 1,150
SC 651/REHOBOTH RD
FairOver: CHESSEY CREEK
2 MI N OF COTTAGEVILLE, Colleton, SC
Built 1948 Load: 31.4 t ADT: 1,550
S-19-36
FairOver: MOUNTAIN CREEK
12.0 MI N EDGEFIELD, Edgefield, SC
Built 1948 Load: 31.4 t ADT: 175
US 378 BUS
FairOver: LYNCHES LAKE
IN LAKE CITY, Florence, SC
Built 1966 Load: 31.4 t ADT: 5,800
US 29
FairOver: NS RR
5.5MI SW OF GREER, Greenville, SC
Built 1937 Load: 31.4 t ADT: 33,400
S-23-448
FairOver: TRIB TO HUFF CRK
4.2 MI SW MAULDIN, Greenville, SC
Built 1950 Load: 31.4 t ADT: 14,800
SC 119/CLYO RD
FairOver: BLACK SWAMP (NO. 2)
17.4 MI W OF RIDGELAND, Jasper, SC
Built 1958 Load: 31.4 t ADT: 2,100
SC 119/CLYO RD
FairOver: SAVANNAH RIVER SWAMP
17.2 MI W OF RIDGELAND, Jasper, SC
Built 1958 Load: 31.4 t ADT: 2,100
SC 12
FairOver: SPEARS CREEK
11 MI SW OF CAMDEN, Kershaw, SC
Built 1942 Load: 31.4 t ADT: 4,400
S-30-308
FairOver: SOUTH RABON CREEK
6.4 MI W GRAY COURT, Laurens, SC
Built 1973 Load: 31.4 t ADT: 125
S-30-47
FairOver: SALUDA RV (POWER FLARE)
14.2 MI SW LAURENS, Laurens, SC
Built 1992 Load: 31.4 t ADT: 950
I-20
FairOver: BROAD RIVER
5 MI N OF COLUMBIA, Richland, SC
Built 1965 Load: 31.4 t ADT: 113,600
S-40-1727
FairOver: ROCKYFORD LAKE
2 MI NE OF FOREST ACRES, Richland, SC
Built 1992 Load: 31.4 t ADT: 450
S-42-787
FairOver: TRIB FAIRFOREST CK
S FOREST ST OFF US 221, Spartanburg, SC
Built 1975 Load: 31.4 t ADT: 2,700
C-42-1597
FairOver: TRIB LAWSON FORK CREEK
1.5 MI S OF INMAN, Spartanburg, SC
Built 1979 Load: 31.4 t ADT: 225
S-5-23
FairOver: COLSTON BRANCH
10MI S BAMBERG, Bamberg, SC
Built 1948 Load: 31.8 t ADT: 550
RAMP OFF I-526 EB
FairOver: VEGETATIVE RIGHT OF WAY
IN N. CHARLESTON, Charleston, SC
Built 1992 Load: 31.8 t ADT: 8,300
S-19-36
FairOver: TURKEY CREEK
8.1MI NW EDGEFIELD, Edgefield, SC
Built 1975 Load: 31.8 t ADT: 150
SC 10
FairOver: CSX RAIL ROAD
10.5 MI SW OF GREENWOOD, Greenwood, SC
Built 1978 Load: 31.8 t ADT: 2,100
US 601
FairOver: BRIAR CREEK
6 MI S OF HAMPTON, Hampton, SC
Built 1936 Load: 31.8 t ADT: 2,900
SC 410
FairOver: PLEASANT MEADOW SWAMP
6.0MI NE OF LORIS, Horry, SC
Built 1931 Load: 31.8 t ADT: 3,000
S-29-19
FairOver: WHITE OAK CREEK
5.5MI S LANCASTER, Lancaster, SC
Built 1925 Load: 31.8 t ADT: 1,450
S-36-54
FairOver: TYGER RIVER
17.4 MI NE NEWBERRY, Newberry, SC
Built 1971 Load: 31.8 t ADT: 100
SC 11
FairOver: LITTLE CANE CREEK
3.0 MI NE OF WALHALLA, Oconee, SC
Built 1969 Load: 31.8 t ADT: 5,800
S-38-49
FairOver: ANDERSON BRANCH
4 MI S ORANGEBURG, Orangeburg, SC
Built 1938 Load: 31.8 t ADT: 4,100
I-126 WB
FairOver: BROAD RIVER
2 MI NW OF COLUMBIA, Richland, SC
Built 1959 Load: 31.8 t ADT: 31,750
C-04-2327
FairOver: TRIB HARTWELL LAKE
8 MI NW ANDERSON, Anderson, SC
Built 1962 Load: 32.1 t ADT: 125
I-526 EB
FairOver: TRIB TO HOBCAW CREEK
NEAR MOUNT PLEASANT, Charleston, SC
Built 1990 Load: 32.1 t ADT: 29,850
I-526 WB
FairOver: TRIB TO HOBCAW CREEK
NEAR MT. PLESANT, Charleston, SC
Built 1990 Load: 32.1 t ADT: 29,850
US 301
FairOver: TAWCAW CREEK
1MI N OF SUMMERTON, Clarendon, SC
Built 1949 Load: 32.1 t ADT: 2,900
US 15
FairOver: EDISTO RIVER RELIEF
8.3 MI SW ST GEORGE, Dorchester, SC
Built 1931 Load: 32.1 t ADT: 2,700
US 15
FairOver: CROOKED CREEK
7.8 MI SW ST GEORGE, Dorchester, SC
Built 1931 Load: 32.1 t ADT: 2,700
US 15
FairOver: BRANCH TO EDISTO RIVER
6.6 MI SW ST GEORGE, Dorchester, SC
Built 1931 Load: 32.1 t ADT: 2,700
SC 170
FairOver: SAVANNAH RIVER OVERFLOW
NR GA/SC LN, Jasper, SC
Built 1925 Load: 32.1 t ADT: 4,000
SC 315 OKATIE HWY
FairOver: MONKEY JOHN SWAMP
9.0MI S OF HARDEEVILLE, Jasper, SC
Built 1978 Load: 32.1 t ADT: 10,000
JOSHUAS BRANCH-Bri
FairOver: JOSHUAS BRANCH
NO DATA ENTERED, Newberry, SC
Built 1975 Load: 32.1 t ADT: 50
Showing 2,501-2,550 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 |