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-32-271
FairOver: RAWLS CREEK
2 MI SW OF IRMO, Lexington, SC
Built 1978 Load: 20.1 t ADT: 2,100
S-32-34
FairOver: BLACK CREEK
6 MI SE OF GILBERT, Lexington, SC
Built 1984 Load: 20.1 t ADT: 3,600
LINKAY CREEK-Bridg
FairOver: LINKAY CREEK
NO DATA ENTERED, McCormick, SC
Built 1984 Load: 20.1 t ADT: 50
PATTERSON CREEK-Br
FairOver: PATTERSON CREEK
NO DATA ENTERED, Newberry, SC
Built 1973 Load: 20.1 t ADT: 50
US 301
FairOver: NORTH EDISTO SWAMP
0.1 MI S OF ORANGEBURG, Orangeburg, SC
Built 1954 Load: 20.1 t ADT: 27,200
S-38-1206
FairOver: PENN BRANCH
2MI N NORTH, Orangeburg, SC
Built 1964 Load: 20.1 t ADT: 125
S-40-841
FairOver: LITTLE JACKSON CREEK
2 MI NE OF DENTSVILLE, Richland, SC
Built 1983 Load: 20.1 t ADT: 1,250
S-42-294
FairOver: HANNA CREEK
6.0 MI SE WOODRUFF, Spartanburg, SC
Built 1956 Load: 20.1 t ADT: 125
L-43-4301
FairOver: GREEN SWAMP
2 MI W OF SUMTER, Sumter, SC
Built 1968 Load: 20.1 t ADT: 225
S-44-278
FairOver: TINKER CREEK
9.2 MI S UNION, Union, SC
Built 1966 Load: 20.1 t ADT: 125
S-46-1442
FairOver: RR NS
TOWN OF FORT MILL, York, SC
Built 1940 Load: 20.1 t ADT: 13,900
C-4-29
FairOver: LTL BEAVERDAM CREEK
7.5 MI E OF ANDERSON, Anderson, SC
Built 1960 Load: 20.4 t ADT: 3,200
US 176
FairOver: SANDY RUN CREEK
9MI SW MONCKS CRN, Berkeley, SC
Built 1938 Load: 20.4 t ADT: 10,300
S-11-60
FairOver: MOORE CREEK
9.1MI NW GAFFNEY, Cherokee, SC
Built 1988 Load: 20.4 t ADT: 300
US 78
FairOver: CATTLE CREEK
7 MI NW OF ST GEORGE, Dorchester, SC
Built 1922 Load: 20.4 t ADT: 1,900
US 78
FairOver: POLK SWAMP
4 MI NW OF ST GEORGE, Dorchester, SC
Built 1949 Load: 20.4 t ADT: 4,300
C-20-667
FairOver: BR BIG WATEREE CR
8.2 MI N WINNSBORO, Fairfield, SC
Built 1960 Load: 20.4 t ADT: 125
US 701
FairOver: HALFWAY SWAMP
5.5MI SE OF CONWAY, Horry, SC
Built 1931 Load: 20.4 t ADT: 7,800
SC 319
FairOver: MILL BRANCH (NO. 4)
4.5MI E OF AYNOR, Horry, SC
Built 1970 Load: 20.4 t ADT: 3,900
SC 200
FairOver: RUM CREEK
4.2 MI S OF LANCASTER, Lancaster, SC
Built 1938 Load: 20.4 t ADT: 6,000
S-30-45
FairOver: CSX RAILROAD
5.8 MI SW CLINTON, Laurens, SC
Built 1980 Load: 20.4 t ADT: 700
S-32-244
FairOver: RED BANK CREEK
4 MI S OF LEXINGTON, Lexington, SC
Built 1925 Load: 20.4 t ADT: 7,000
US 178
FairOver: CEDAR CREEK
0.5 MI S OF PELION, Lexington, SC
Built 1953 Load: 20.4 t ADT: 3,300
S-37-32
FairOver: W FORK LITTLE RIVER
8 MI N WALHALLA, Oconee, SC
Built 1948 Load: 20.4 t ADT: 125
S-38-756
FairOver: WHIRLWIND CREEK
2MI S CORDOVA, Orangeburg, SC
Built 1960 Load: 20.4 t ADT: 225
US 176
FairOver: BOYD BRANCH
6 MI E OF CHAPIN, Richland, SC
Built 1949 Load: 20.4 t ADT: 10,600
US 21
FairOver: CRANE CREEK
8 MI NE OF COLUMBIA, Richland, SC
Built 1930 Load: 20.4 t ADT: 8,300
S-40-1862
FairOver: TRIB TO RAWLS CREEK
1 MI NW OF IRMO, Richland, SC
Built 1985 Load: 20.4 t ADT: 11,500
SC 292
FairOver: NORTH TYGER RIVER
4.0MI N OF LYMAN, Spartanburg, SC
Built 2007 Load: 20.4 t ADT: 9,600
S-42-88
FairOver: KELSEY CREEK
4.5 MI SE SPARTANBURG, Spartanburg, SC
Built 1976 Load: 20.4 t ADT: 2,000
C-42-662
FairOver: TRIB TO NORTH TIGER RIV
4.0 MI SE OF WELLFORD, Spartanburg, SC
Built 1984 Load: 20.4 t ADT: 225
C-42-99
FairOver: TRIB TO LITTLE BUCK CR
1.4 MI SW OF CHESNEE, Spartanburg, SC
Built 1984 Load: 20.4 t ADT: 125
US 521
FairOver: BOOTS BRANCH
9 MI SE OF SUMTER, Sumter, SC
Built 1940 Load: 20.4 t ADT: 6,700
US 401
FairOver: ROCK BLUFF CK (1)
4 MI NE OF SUMTER, Sumter, SC
Built 1955 Load: 20.4 t ADT: 3,600
C-4-9797
FairOver: TRIB TO BRUSHY CR
18.2 MI NE OF ANDERSON, Anderson, SC
Built 1966 Load: 20.7 t ADT: 125
S-4-29
FairOver: THREE & TWENTY CREEK
10.2MI NW ANDERSON, Anderson, SC
Built 1969 Load: 20.7 t ADT: 5,000
S-4-1012
FairOver: BROADMOUTH CREEK
2.1MI NW HONEA PATH, Anderson, SC
Built 1978 Load: 20.7 t ADT: 900
US 321
FairOver: SOUTH EDISTO RIVER SWAMP
6MI N OF DENMARK, Bamberg, SC
Built 1953 Load: 20.7 t ADT: 3,000
US 15
FairOver: ALLEN CREEK
6 MI N OF WALTERBORO, Colleton, SC
Built 1931 Load: 20.7 t ADT: 2,800
SC 61
FairOver: UNNAMED STREAM
7.2MI SW OF SUMMERVILLE, Dorchester, SC
Built 1947 Load: 20.7 t ADT: 7,900
US 378
FairOver: SLEEPY CREEK
10.1 MI NW OF EDGEFIELD, Edgefield, SC
Built 1940 Load: 20.7 t ADT: 1,000
US 52
FairOver: MIDDLE SWAMP
4MI S OF FLORENCE, Florence, SC
Built 1927 Load: 20.7 t ADT: 34,300
SC 20
FairOver: SOUTHERN (OLD RR CUT)
PIEDMONT, Greenville, SC
Built 1951 Load: 20.7 t ADT: 4,800
SC 418
FairOver: HUFF CREEK
8.0 MI SW FOUNTAIN INN, Greenville, SC
Built 1962 Load: 20.7 t ADT: 8,800
US 321
FairOver: COOSAWHATCHIE RIVER
3 MI S OF FAIRFAX, Hampton, SC
Built 1948 Load: 20.7 t ADT: 2,200
L-26-834
FairOver: INTRACOASTAL WATERWAY
MYRTLE BEACH, Horry, SC
Built 1938 Load: 20.7 t ADT: 6,200
S-31-102
FairOver: CANAL #1
2 MI W OF LYNCHBURG, Lee, SC
Built 1971 Load: 20.7 t ADT: 450
S-32-45
FairOver: CEDAR CREEK
10 MI SW OF SWANSEA, Lexington, SC
Built 1982 Load: 20.7 t ADT: 375
SC 288
FairOver: TRIB TO OOLENOY RIVER
8.3 MI-N-PICKENS, Pickens, SC
Built 1969 Load: 20.7 t ADT: 800
L-284
FairOver: VISTA GREENWAY
CITY OF COLUMBIA, Richland, SC
Built 1915 Load: 20.7 t ADT: 425
Showing 1,551-1,600 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 |