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 28
FairOver: LITTLE RIVER
6.7 MI N W OF ABBEVILLE, Abbeville, SC
Built 1931 Load: 25.9 t ADT: 3,100
S-3-48
FairOver: PRETTY CREEK
10MI NE ALLENDALE, Allendale, SC
Built 1971 Load: 25.9 t ADT: 225
S-3-23
FairOver: HAMPTON BEACH BRANCH
4MI S FAIRFAX, Allendale, SC
Built 1977 Load: 25.9 t ADT: 425
S-4-54
FairOver: BIG CREEK
2.1MI SE WILLIAMSTON, Anderson, SC
Built 1971 Load: 25.9 t ADT: 1,700
S-4-152
FairOver: BEAVER CREEK
4.9MI SE ANDERSON, Anderson, SC
Built 1979 Load: 25.9 t ADT: 1,750
US 321
FairOver: LITTLE SALKEHATCHIE
4MI N OF OLAR, Bamberg, SC
Built 1950 Load: 25.9 t ADT: 1,600
S-5-26
FairOver: LITTLE SALKEHATCHIE RV
3.0MI SW DENMARK, Bamberg, SC
Built 1974 Load: 25.9 t ADT: 350
S-5-567
FairOver: BIRDS BRANCH
1.5MI S OLAR, Bamberg, SC
Built 1978 Load: 25.9 t ADT: 125
S-6-87
FairOver: WINDY HILL CREEK
3 MI NE BLACKVILLE, Barnwell, SC
Built 1973 Load: 25.9 t ADT: 275
S-6-32
FairOver: WHALEY BRANCH
5 MI NW BLACKVILLE, Barnwell, SC
Built 1974 Load: 25.9 t ADT: 325
S-6-20
FairOver: THREE RUNS CREEK
8MI SW BARNWELL, Barnwell, SC
Built 1975 Load: 25.9 t ADT: 550
S-8-413
FairOver: UNNAMED STREAM
5 MI SW MONCKS CORNER, Berkeley, SC
Built 1962 Load: 25.9 t ADT: 1,800
S-8-134/WREN RD
FairOver: UNNAMED STREAM
8.5 MI E BONNEAU, Berkeley, SC
Built 1965 Load: 25.9 t ADT: 125
S-902/CANAL DR
FairOver: FAIRLAWN CREEK
TOWN MONCKS CORNER, Berkeley, SC
Built 1967 Load: 25.9 t ADT: 150
SC 6/SC 45
FairOver: SOIL CONSERVATION CANAL
14.0 MI W ST STEPHEN, Berkeley, SC
Built 1970 Load: 25.9 t ADT: 4,300
S-8-787
FairOver: TRIB TO ASHLEY RIVER
13 MI SW MONCKS CORNER, Berkeley, SC
Built 1980 Load: 25.9 t ADT: 350
US 17 NB
FairOver: RR CSXT
5 MI S OF CHARLESTON, Charleston, SC
Built 1957 Load: 25.9 t ADT: 25,600
S-633/ABBAPOOLA RD
FairOver: UNNAMED STREAM
11 MI SW CHARLESTON, Charleston, SC
Built 1962 Load: 25.9 t ADT: 275
S-10-1845
FairOver: UNNAMED STREAM
17 MI W CHAS, Charleston, SC
Built 1973 Load: 25.9 t ADT: 850
SC 30
FairOver: ASHLEY RIV & WAPPOO CRK
IN CHARLESTON, Charleston, SC
Built 1993 Load: 25.9 t ADT: 63,200
US 21
FairOver: S.C.L. RAILROAD
N. CITY LIMITS -G. FALLS, Chester, SC
Built 1937 Load: 25.9 t ADT: 4,400
SC 9
FairOver: DEEP CREEK
2.1 MI E OF MT CROTHAN, Chesterfield, SC
Built 1955 Load: 25.9 t ADT: 7,500
S-14-40
FairOver: BLACK RIVER
9MI NE MANNING, Clarendon, SC
Built 1971 Load: 25.9 t ADT: 600
S-14-40
FairOver: JUNEBURN CREEK
4MI E MANNING, Clarendon, SC
Built 1975 Load: 25.9 t ADT: 750
S-14-37
FairOver: PUDDING CREEK
5.5MI SE TURBEVILLE, Clarendon, SC
Built 1976 Load: 25.9 t ADT: 800
S-14-40
FairOver: BLACK RIVER
7MI NE MANNING, Clarendon, SC
Built 1978 Load: 25.9 t ADT: 600
S-14-40
FairOver: BLACK RIVER
9MI NE MANNING, Clarendon, SC
Built 1978 Load: 25.9 t ADT: 600
S-14-650
FairOver: BURNT BRANCH
6.0 MI E TURBEVILLE, Clarendon, SC
Built 1983 Load: 25.9 t ADT: 125
S-116/KEGAN DR
FairOver: IRELAND CREEK
5.3 MI NE WALTERBORO, Colleton, SC
Built 1964 Load: 25.9 t ADT: 150
S-66/COMBAHEE RD
FairOver: TRIB TO COMBAHEE RIVER
14 MI SW WALTERBORO, Colleton, SC
Built 1965 Load: 25.9 t ADT: 100
S-329/BUCKNER RD
FairOver: RICE PATCH CREEK
17 MI N WALTERBORO, Colleton, SC
Built 1967 Load: 25.9 t ADT: 175
SC 57
FairOver: MAPLE CREEK
3.0MI S OF DILLON, Dillon, SC
Built 1935 Load: 25.9 t ADT: 3,600
SC 642
FairOver: DORCHESTER CREEK
4.8MI S SUMR'VL, Dorchester, SC
Built 1956 Load: 25.9 t ADT: 35,400
S-18-19/WIRE ROAD
FairOver: POLK SWAMP
7.1MI SE ST GEORGE, Dorchester, SC
Built 1960 Load: 25.9 t ADT: 1,000
US 78
FairOver: SAW MILL CREEK
AT SUMMERVILLE, Dorchester, SC
Built 1920 Load: 25.9 t ADT: 15,000
S-84/CLUBHOUSE RD
FairOver: FISHBURNE CREEK
10.5 MI SW OF SUMMERVILLE, Dorchester, SC
Built 1962 Load: 25.9 t ADT: 3,300
S-54/MULBERRY RD
FairOver: SPRING BRANCH
3.5 MI N ST GEORGE, Dorchester, SC
Built 1963 Load: 25.9 t ADT: 325
S-54/MULBERRY RD
FairOver: INDIAN FIELD SWAMP
3.8 MI N ST GEORGE, Dorchester, SC
Built 1963 Load: 25.9 t ADT: 325
S-54/MULBERRY RD
FairOver: WADBOO BRANCH
5.1 MI N ST GEORGE, Dorchester, SC
Built 1963 Load: 25.9 t ADT: 375
S-18-56
FairOver: UNNAMED STREAM
3.4 MI SW RIDGEVILLE, Dorchester, SC
Built 1964 Load: 25.9 t ADT: 375
S-18-71/COWTAIL RD
FairOver: UNNAMED STREAM
4.5 MI SW ST GEORGE, Dorchester, SC
Built 1975 Load: 25.9 t ADT: 250
S-21-1331
FairOver: BR-MUDDY CK
0.3MI S JOHNSONVILLE, Florence, SC
Built 1977 Load: 25.9 t ADT: 450
S-22-768
FairOver: DAWHOO LAKE
10.0 MI-S-ANDREWS, Georgetown, SC
Built 1979 Load: 25.9 t ADT: 225
S-23-42
FairOver: TRIB TO N SALUDA RIVER
11.9MI N TRAVELERS REST, Greenville, SC
Built 1960 Load: 25.9 t ADT: 50
C-23-3388
FairOver: LANGSTON CR
3.5 MI N GREENVILLE, Greenville, SC
Built 1983 Load: 25.9 t ADT: 150
S-25-629
FairOver: SANDERS BRANCH
HAMPTON CITY LIMITS, Hampton, SC
Built 1978 Load: 25.9 t ADT: 125
S-25-345
FairOver: CYPRESS CREEK
9MI E ESTILL, Hampton, SC
Built 1985 Load: 25.9 t ADT: 125
S-26-653
FairOver: SPRING SWAMP
6MI S AYNOR, Horry, SC
Built 1976 Load: 25.9 t ADT: 475
S-26-1284
FairOver: BUG SWAMP
8MI SW LORIS, Horry, SC
Built 1979 Load: 25.9 t ADT: 100
S-27-424
FairOver: TULIFINNY RIVER (NO. 1)
1.5MI N OF COOSAWHATCHIE, Jasper, SC
Built 1922 Load: 25.9 t ADT: 25
Showing 2,001-2,050 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 |