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 75
FairOver: DELANEY CREEK
11.8 MI N OF LANCASTER, Lancaster, SC
Built 1929 Load: 26.6 t ADT: 6,000
S-37-160
FairOver: TUGALOO RIVER
10 MI W WESTMINSTER, Oconee, SC
Built 1967 Load: 26.6 t ADT: 275
C-37-3954
FairOver: TRIB TO CLEVELAND CREEK
4.4 MI S OF OAKWAY, Oconee, SC
Built 1987 Load: 26.6 t ADT: 155
SC 3
FairOver: SOUTH EDISTO RIVER SWAMP
3MI SW OF SPRINGFIELD, Orangeburg, SC
Built 1955 Load: 26.6 t ADT: 1,700
SC 70
FairOver: SNAKE SWAMP
2.5 MI N COPE, Orangeburg, SC
Built 1957 Load: 26.6 t ADT: 3,000
S-39-36
FairOver: GEORGES CREEK
5.0 MI E EASLEY, Pickens, SC
Built 1992 Load: 26.6 t ADT: 5,600
US 1
FairOver: RR CSXT
10 MI NE OF COLUMBIA, Richland, SC
Built 1936 Load: 26.6 t ADT: 37,500
S-41-148
FairOver: TRIB TO DRY CREEK
5.9 MI SE OF SALUDA, Saluda, SC
Built 1950 Load: 26.6 t ADT: 25
I-26
FairOver: LAWSON FORK CREEK
3.7 MI SE INMAN, Spartanburg, SC
Built 1960 Load: 26.6 t ADT: 42,900
SC 49
FairOver: BIG BROWNS CREEK
3.9 MI NE OF UNION, Union, SC
Built 1959 Load: 26.6 t ADT: 2,600
S-45-24
FairOver: CEDAR SWAMP
8.0 MI E KINGSTREE, Williamsburg, SC
Built 1948 Load: 26.6 t ADT: 700
SC 125
FairOver: FURSE MILL CREEK
13MI W OF ALLENDALE, Allendale, SC
Built 1929 Load: 26.9 t ADT: 1,900
SC 243
FairOver: ROCKY CREEK
16.6 MI NW OF ANDERSON, Anderson, SC
Built 1960 Load: 26.9 t ADT: 2,800
SC 64 WB
FairOver: SALKEHATCHIE RIVER
1/2MI W OF BARNWELL, Barnwell, SC
Built 1952 Load: 26.9 t ADT: 825
SC 170
FairOver: CHECHESSEE RIVER
10MI SW OF BEAUFORT, Beaufort, SC
Built 2004 Load: 26.9 t ADT: 29,600
S-97/CANE GULLY RD
FairOver: UNNAMED STREAM
8.5 MI NE MONCKS CORNER, Berkeley, SC
Built 1961 Load: 26.9 t ADT: 375
S-8-478/BIRCH AVE
FairOver: UNNAMED STREAM
CITY OF GOOSE CREEK, Berkeley, SC
Built 1968 Load: 26.9 t ADT: 100
S-46/OLD DIARY RD
FairOver: KELLY BRANCH
14MI SW MONCKS CORNER, Berkeley, SC
Built 1973 Load: 26.9 t ADT: 1,500
WAMBAW CREEK-Bridg
FairOver: CREEK
NO DATA ENTERED, Berkeley, SC
Built 1968 Load: 26.9 t ADT: 50
S-12-355
FairOver: TRIB TO LITTLE ROCKY CR
7.7MI NW GREAT FALLS, Chester, SC
Built 1967 Load: 26.9 t ADT: 50
CLARKS CREEK-Bridg
FairOver: CLARKS CREEK
NO DATA ENTERED, Chester, SC
Built 1979 Load: 26.9 t ADT: 50
S-15-379
FairOver: BLACK CREEK
5.9 MI W WALT'B, Colleton, SC
Built 1964 Load: 26.9 t ADT: 150
S-19-34
FairOver: HORN CREEK
5.2 MI SW EDGEFIELD, Edgefield, SC
Built 1971 Load: 26.9 t ADT: 1,600
US 123
FairOver: P.AND N. RAILROAD
WEST GREENVILLE, Greenville, SC
Built 1948 Load: 26.9 t ADT: 23,400
US 701
FairOver: COWFORD SWAMP
1 MI NW BUCKSPORT, Horry, SC
Built 1948 Load: 26.9 t ADT: 5,700
S-27-427
FairOver: TULIFINY RIVER
1MI N OF COOSAWHATCHIE, Jasper, SC
Built 1974 Load: 26.9 t ADT: 425
S-29-39
FairOver: SOUTH BRANCH OF WILDCAT
13.3MI E LANCASTER, Lancaster, SC
Built 1939 Load: 26.9 t ADT: 500
SC 9 NB
FairOver: CATAWBA RIVER
CHESTER CO LINE, Lancaster, SC
Built 1975 Load: 26.9 t ADT: 6,150
US 221
FairOver: BURNT MILL CREEK
1.8 MI SW OF LAURENS, Laurens, SC
Built 1940 Load: 26.9 t ADT: 4,300
US 378
FairOver: CUFFEYTOWN CREEK
6.8MI NE OF MCCORMICK, McCormick, SC
Built 1952 Load: 26.9 t ADT: 950
S-36-383
FairOver: SCOTTS CREEK
CITY OF NEWBERRY, Newberry, SC
Built 1967 Load: 26.9 t ADT: 1,500
S-36-28
FairOver: HELLERS CREEK
16.4 MI E NEWBERRY, Newberry, SC
Built 1977 Load: 26.9 t ADT: 1,050
US 301 SB
FairOver: SOUTH EDISTO RIVER SWAMP
.1MI N OF BAMBERG CO LN, Orangeburg, SC
Built 1933 Load: 26.9 t ADT: 3,000
S-39-337
FairOver: TWELVE MILE CREEK
1.5 MI NW CENTRAL, Pickens, SC
Built 1961 Load: 26.9 t ADT: 900
S-39-137
FairOver: GOLDEN CREEK
2.0 MI SW LIBERTY, Pickens, SC
Built 2000 Load: 26.9 t ADT: 1,850
I-20
FairOver: SOU. RR & PRIV. RD. .
4MI N OF COLUMBIA, Richland, SC
Built 1965 Load: 26.9 t ADT: 113,600
US 378
FairOver: LITTLE SALUDA RIVER
1.8 MI NE OF SALUDA, Saluda, SC
Built 1952 Load: 26.9 t ADT: 2,900
US 221
FairOver: BEAVER DAM CREEK
3.7 MI S SPARTANBURG, Spartanburg, SC
Built 1940 Load: 26.9 t ADT: 14,000
CUBA STREET
FairOver: BALLAST CREEK
1.1 KM S. OF MALECON DR., Beaufort, SC
Built 1941 Load: 27.1 t ADT: 50
SC 126
FairOver: LITTLE HORSE CREEK
2 MI NW OF CLEARWATER, Aiken, SC
Built 1942 Load: 27.2 t ADT: 9,300
US 321
FairOver: JACKSON CREEK
1 MI S OF SYCAMORE, Allendale, SC
Built 1921 Load: 27.2 t ADT: 1,800
US 301
FairOver: SAVANNAH RIVER SWAMP
1MI N OF GA STATE LINE, Allendale, SC
Built 1965 Load: 27.2 t ADT: 1,350
US 21 NB
FairOver: WHALE BRANCH
8.7 MI NW OF BEAUFORT, Beaufort, SC
Built 1991 Load: 27.2 t ADT: 9,100
S-8-447
FairOver: WADBOO CREEK
2.2 MI NE BONNEAU, Berkeley, SC
Built 1965 Load: 27.2 t ADT: 300
S-8-45
FairOver: UNNAMED STREAM
2.5MI N GOOSE CREEK, Berkeley, SC
Built 1966 Load: 27.2 t ADT: 10,000
S-186/IMPERIAL DR
FairOver: UNNAMED STREAM
1 MI NW ST STEPHEN, Berkeley, SC
Built 1970 Load: 27.2 t ADT: 100
SC 703
FairOver: INTRACOASTAL WATERWAY
BETWEEN SULVANS IS/MT PLE, Charleston, SC
Built 1945 Load: 27.2 t ADT: 16,100
RAMP OFF I-526 WB
FairOver: FILBIN CREEK
IN N. CHARLESTON, Charleston, SC
Built 1992 Load: 27.2 t ADT: 3,700
S-11-79
FairOver: BATTLE GROUND CREEK
11.4MI NW GAFFNEY, Cherokee, SC
Built 1993 Load: 27.2 t ADT: 225
US 52
FairOver: SPOT CREEK
1 MI N DARLINGTON CO LN, Chesterfield, SC
Built 1931 Load: 27.2 t ADT: 4,400
Showing 2,151-2,200 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 |