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 441
FairOver: MCGIRTS CREEK
2MI SW OF MANVILLE, Lee, SC
Built 1947 Load: 24.3 t ADT: 1,900
SC 6
FairOver: TWELVEMILE CREEK
TOWN OF LEXINGTON, Lexington, SC
Built 1930 Load: 24.3 t ADT: 22,600
US 1
FairOver: WHITES CREEK
2.5 MI NW OF WALLACE, Marlboro, SC
Built 1931 Load: 24.3 t ADT: 2,600
SC 39
FairOver: S. EDISTO RIVER SWAMP
16MI S OF ORANGEBURG, Orangeburg, SC
Built 1940 Load: 24.3 t ADT: 2,100
SC 3
FairOver: SOUTH EDISTO RIVER SWAMP
3MI SW OF SPRINGFIELD, Orangeburg, SC
Built 1955 Load: 24.3 t ADT: 1,700
US 29
FairOver: LAWSON FORK CREEK
3.0 MI E OF SPARTANBURG, Spartanburg, SC
Built 1924 Load: 24.3 t ADT: 27,100
US 221
FairOver: CSXT RR
4 MI S OF SPARTANBURG, Spartanburg, SC
Built 1945 Load: 24.3 t ADT: 14,000
POMFLANT ACCESS RO
FairOver: FOSTER CREEK
1.0 MILES NORTH OF RED BA, Berkeley, SC
Built 1960 Load: 24.5 t ADT: 2,400
US 17 SB
FairOver: RR CSXT
5 MI S OF CHARLESTON, Charleston, SC
Built 1949 Load: 24.6 t ADT: 25,600
SC 145
FairOver: WALLACE PRONG CREEK
5.5 MI SW OF CHESTERFIELD, Chesterfield, SC
Built 1938 Load: 24.6 t ADT: 1,350
US 301
FairOver: HORSE BRANCH
2MI N OF TURBEVILLE, Clarendon, SC
Built 1930 Load: 24.6 t ADT: 1,700
S-14-41
FairOver: BIG BRANCH
4MI W SUMMERTON, Clarendon, SC
Built 1948 Load: 24.6 t ADT: 250
SC 64
FairOver: CHESSEY CREEK
6.1 MI S OF WALTBR, Colleton, SC
Built 1921 Load: 24.6 t ADT: 5,300
SC 64
FairOver: CHESSEY CREEK
6 MI S OF WALTERBORO, Colleton, SC
Built 1922 Load: 24.6 t ADT: 5,300
US 301
FairOver: CATFISH CANAL
1.0MI S E OF LATTA, Dillon, SC
Built 1926 Load: 24.6 t ADT: 3,800
US 78
FairOver: GREAT CYPRESS SWAMP #4
6.6 MI NW OF SUMR'VL, Dorchester, SC
Built 1919 Load: 24.6 t ADT: 7,400
US 76
FairOver: JEFFRIES CREEK
3MI SW OF FLORENCE, Florence, SC
Built 1937 Load: 24.6 t ADT: 20,400
S-21-1491
FairOver: MIDDLE SWAMP
FOREST LAKE-W FLORENCE, Florence, SC
Built 1988 Load: 24.6 t ADT: 9,400
US 76
FairOver: SALUDA RIVER
15 1/2MI SW OF FOUNTN INN, Greenville, SC
Built 1939 Load: 24.6 t ADT: 3,200
S-23-94
FairOver: RICHLAND CREEK
IN GREENVILLE, Greenville, SC
Built 1963 Load: 24.6 t ADT: 9,400
S-26-23
FairOver: LOUSING SWAMP
3 MI NE AYNOR, Horry, SC
Built 1977 Load: 24.6 t ADT: 2,700
US 521
FairOver: BIG PINE TREE CREEK
1MI S OF CAMDEN, Kershaw, SC
Built 1930 Load: 24.6 t ADT: 15,700
SC 72
FairOver: DUNCAN CREEK
18.7 MI E OF LAURENS, Laurens, SC
Built 1940 Load: 24.6 t ADT: 2,400
S-36-20
FairOver: CAMPING CREEK
14.0 MI SE NEWBERRY, Newberry, SC
Built 1979 Load: 24.6 t ADT: 1,150
US 21/US 76
FairOver: RR CSXT & RR NS
CITY OF COLUMBIA, Richland, SC
Built 1953 Load: 24.6 t ADT: 30,900
S-41-42
FairOver: PENN CREEK
5.1MI SW SALUDA, Saluda, SC
Built 1975 Load: 24.6 t ADT: 400
S-45-271
FairOver: KINGSTREE SW CANAL
TOWN OF KINGSTREE, Williamsburg, SC
Built 1970 Load: 24.6 t ADT: 2,800
S-1-126
FairOver: PARKERS CREEK
CITY OF ABBEVILLE, Abbeville, SC
Built 1974 Load: 24.9 t ADT: 800
US 321
FairOver: JACKSON CREEK
1.0 MI S OF SYCAMORE, Allendale, SC
Built 1979 Load: 24.9 t ADT: 1,800
SC 20
FairOver: BARKERS CREEK
4.5MI SW OF HONEA PATH, Anderson, SC
Built 1999 Load: 24.9 t ADT: 950
S-5-20
FairOver: SOUTH EDISTO RIVER SWAMP
5MI NE BAMBERG, Bamberg, SC
Built 1974 Load: 24.9 t ADT: 850
S-5-20
FairOver: SOUTH EDISTO RIVER SWAMP
4MI NE BAMBERG, Bamberg, SC
Built 1980 Load: 24.9 t ADT: 850
US 52 WB
FairOver: LAUREL CREEK SWAMP
10.2MI SW MONCKS CORNER, Berkeley, SC
Built 1922 Load: 24.9 t ADT: 20,000
S-8-809
FairOver: TRIB TO GOOSE CR
IN GOOSE CREEK, Berkeley, SC
Built 1976 Load: 24.9 t ADT: 6,900
S-9-227
FairOver: ANTLEY SPRING CREEK
CL OF ST MATHEWS, Calhoun, SC
Built 1978 Load: 24.9 t ADT: 425
S-10-91/RIVER RD
FairOver: UNNAMED STREAM
12.2 MI SW CHAS, Charleston, SC
Built 1963 Load: 24.9 t ADT: 3,000
S-18-22
FairOver: PLATT BRANCH
5MI NW SUMR'VL, Dorchester, SC
Built 1978 Load: 24.9 t ADT: 13,100
US 17 ALT
FairOver: SUMMONS SWAMP
12.0MI W OF GEORGETOWN, Georgetown, SC
Built 1969 Load: 24.9 t ADT: 3,100
S-23-969
FairOver: FALL CREEK
14.2 MI N TRAVELERS REST, Greenville, SC
Built 1930 Load: 24.9 t ADT: 225
US 25
FairOver: CUFFEYTOWN CREEK
11.7 MI SE OF GREENWOOD, Greenwood, SC
Built 1931 Load: 24.9 t ADT: 1,750
S-26-19
FairOver: LAKE SWAMP
9 MI NE AYNOR, Horry, SC
Built 1982 Load: 24.9 t ADT: 1,650
C-26-2427
FairOver: SAVANNAH CREEK
2 MI W OF AYNOR, Horry, SC
Built 1997 Load: 24.9 t ADT: 250
SC 462
FairOver: HAZZARD CREEK
9MI E OF RIDGELAND, Jasper, SC
Built 1949 Load: 24.9 t ADT: 10,200
US 1
FairOver: TWELVE MILE CREEK
TOWN OF LEXINGTON, Lexington, SC
Built 1929 Load: 24.9 t ADT: 28,100
SC 6
FairOver: BULL SWAMP CREEK
2MI NW OF SWANSEA, Lexington, SC
Built 1927 Load: 24.9 t ADT: 4,000
S-35-27
FairOver: PANTHER CREEK
1 MI E MCCOLL, Marlboro, SC
Built 1930 Load: 24.9 t ADT: 650
S-37-184
FairOver: CONEROSS CREEK
7 MI SE SENECA, Oconee, SC
Built 1961 Load: 24.9 t ADT: 1,850
US 176
FairOver: PROVIDENCE SWAMP
3MI NW OF WELLSY RD, Orangeburg, SC
Built 1940 Load: 24.9 t ADT: 3,000
S-38-1148
FairOver: CAW CAW SWAMP
CITY OF ORANGEBURG, Orangeburg, SC
Built 1962 Load: 24.9 t ADT: 4,400
S-41-44
FairOver: LITTLE SALUDA RIVER
9.2MI NE SALUDA, Saluda, SC
Built 1978 Load: 24.9 t ADT: 400
Showing 1,851-1,900 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 |