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-19-295
FairOver: BR CYPER CREEK
13.2MI NW EDGEFIELD, Edgefield, SC
Built 1965 Load: 17.5 t ADT: 25
S-19-306
FairOver: JIM BRANCH
9.6MI NW EDGEFIELD, Edgefield, SC
Built 1965 Load: 17.5 t ADT: 25
S-19-315
FairOver: LOG CREEK
7.3MI NW EDGEFIELD, Edgefield, SC
Built 1969 Load: 17.5 t ADT: 100
S-19-404
FairOver: CROOKED RUN CREEK
7.5MI NW EDGEFIELD, Edgefield, SC
Built 1974 Load: 17.5 t ADT: 50
S-22-36
FairOver: TYLER CREEK
13MI NW MURRELLS INLET, Georgetown, SC
Built 1956 Load: 17.5 t ADT: 500
S-24-102
FairOver: NINETY SIX CREEK
3.7MI SE NINETY SIX, Greenwood, SC
Built 1957 Load: 17.5 t ADT: 125
S-24-48
FairOver: BR TO HARD LABOR CR.
4.3MI SE BRADLEY, Greenwood, SC
Built 1964 Load: 17.5 t ADT: 25
S-26-19
FairOver: CEDAR CREEK
6.5 MI NW GREEN SEA, Horry, SC
Built 1956 Load: 17.5 t ADT: 1,650
S-26-143
FairOver: CAMP SWAMP
8MI SE LORIS, Horry, SC
Built 1959 Load: 17.5 t ADT: 750
S-26-348
FairOver: BEAR BRANCH
6.0MI SE LORRIS, Horry, SC
Built 1959 Load: 17.5 t ADT: 2,200
S-26-476
FairOver: PLEASANT MEADOW BRANCH
3MI W LORIS, Horry, SC
Built 1963 Load: 17.5 t ADT: 250
S-26-134
FairOver: JENKINS SWAMP
4.5 MI W CONWAY, Horry, SC
Built 1974 Load: 17.5 t ADT: 3,400
S-26-935
FairOver: HUNTING SWAMP NO 1
6MI W CONWAY, Horry, SC
Built 1975 Load: 17.5 t ADT: 250
S-26-99
FairOver: TREDWELL SWAMP
1 MI SW GALIVANTS FERRY, Horry, SC
Built 1976 Load: 17.5 t ADT: 700
US 521
FairOver: CAMP CREEK
2.8 MI N OF LANCASTER, Lancaster, SC
Built 1952 Load: 17.5 t ADT: 24,300
S-32-76
FairOver: LIGHTWOOD KNOT CREEK
9 MI SE OF BATESBURG, Lexington, SC
Built 1955 Load: 17.5 t ADT: 175
S-33-114
FairOver: BYRD CREEK
7.2 MI SE MCCORMICK, McCormick, SC
Built 1957 Load: 17.5 t ADT: 75
S-36-587
FairOver: BR TO LAKE MURRAY
13 MI SE NEWBERRY, Newberry, SC
Built 1962 Load: 17.5 t ADT: 275
S-38-154
FairOver: GRAMLING CREEK SWAMP
8MI E ORANGEBURG, Orangeburg, SC
Built 1961 Load: 17.5 t ADT: 475
S-39-137
FairOver: TRIB SHOAL CREEK
2.0 MI E OF SIX MILE, Pickens, SC
Built 1982 Load: 17.5 t ADT: 1,800
S-41-98
FairOver: TRIB TO HALFWAY SWP CK
9.7MI NW SALUDA, Saluda, SC
Built 1973 Load: 17.5 t ADT: 375
S-41-82
FairOver: TRIB TO BIG CREEK
5.6MI NW SALUDA, Saluda, SC
Built 1957 Load: 17.5 t ADT: 200
S-41-255
FairOver: BR OF PERSIMMON CREEK
6.4MI NE SALUDA, Saluda, SC
Built 1960 Load: 17.5 t ADT: 50
S-43-522
FairOver: GREEN SWAMP
2 MI S OF SUMTER, Sumter, SC
Built 1974 Load: 17.5 t ADT: 5,100
S-44-16
FairOver: FAIRFOREST CREEK
5 MI S UNION, Union, SC
Built 1973 Load: 17.5 t ADT: 175
S-45-16
FairOver: BR OF OX SWAMP
5.0 MI SE LANE, Williamsburg, SC
Built 1963 Load: 17.5 t ADT: 650
S-45-35
FairOver: HOLLIMANS SWAMP
2.0 MI N GREELEYVILLE, Williamsburg, SC
Built 1966 Load: 17.5 t ADT: 750
S-45-574
FairOver: JOHNSON SWAMP
2.0 MI S TRIO, Williamsburg, SC
Built 1966 Load: 17.5 t ADT: 250
S-2-14
FairOver: HOLLOW CREEK
5.0 MI SE PERRY, Aiken, SC
Built 1967 Load: 17.8 t ADT: 375
S-2-1665
FairOver: SANDY BRANCH
10.0 MI E AIKEN, Aiken, SC
Built 1973 Load: 17.8 t ADT: 275
S-02-111
FairOver: GOODLAND CREEK
6MI N SPRINGFIELD, Aiken, SC
Built 1973 Load: 17.8 t ADT: 200
S-3-350
FairOver: COOSAWHATCHIE RIVER
6MI S ALLENDALE, Allendale, SC
Built 1967 Load: 17.8 t ADT: 125
S-4-156
FairOver: WEST BR OF WILSON CK
0.8MI SE STARR, Anderson, SC
Built 1957 Load: 17.8 t ADT: 450
S-4-370
FairOver: LITTLE BEAVERDAM CREEK
5.2MI NW BELTON, Anderson, SC
Built 1959 Load: 17.8 t ADT: 400
C-4-839
FairOver: E PRONG CRK
14.2 MI SW OF ANDERSON, Anderson, SC
Built 1962 Load: 17.8 t ADT: 125
S-4-300
FairOver: LITTLE GARVIN CREEK
2.8MI NE PENDLETON, Anderson, SC
Built 1968 Load: 17.8 t ADT: 2,000
S-5-19
FairOver: COLSTON BRANCH
7MI S BAMBERG, Bamberg, SC
Built 1957 Load: 17.8 t ADT: 100
S-5-37
FairOver: SYKES BRANCH
3MI NW DENMARK, Bamberg, SC
Built 1969 Load: 17.8 t ADT: 1,500
S-6-21
FairOver: ROSEMARY CREEK
6MI SW WILLISTON, Barnwell, SC
Built 1973 Load: 17.8 t ADT: 550
S-9-58
FairOver: UNNAMED STREAM
1 MI SE ST MATHEWS, Calhoun, SC
Built 1970 Load: 17.8 t ADT: 425
S-11-206
FairOver: GILKEY CREEK
4.0MI SE GAFFNEY, Cherokee, SC
Built 1960 Load: 17.8 t ADT: 325
S-14-260
FairOver: POTATO CREEK
7MI SE SUMMERTON, Clarendon, SC
Built 1968 Load: 17.8 t ADT: 375
S-15-41/RITER RD
FairOver: IVANHOE CREEK
8.5 MI S WALTERBORO, Colleton, SC
Built 1956 Load: 17.8 t ADT: 800
S-17-693
FairOver: TRIB TO LTL PEE DEE
5MI SW LAKE VIEW, Dillon, SC
Built 1977 Load: 17.8 t ADT: 50
S-19-41
FairOver: S. BR BEECH CREEK
2.9MI SE JOHNSTON, Edgefield, SC
Built 1956 Load: 17.8 t ADT: 300
S-19-423
FairOver: BRIDGE TO CYPER CR
13.3MI NW EDGEFIELD, Edgefield, SC
Built 1957 Load: 17.8 t ADT: 50
S-19-237
FairOver: LITTLE TURKEY CREEK
1.5MI NW JOHNSTON, Edgefield, SC
Built 1965 Load: 17.8 t ADT: 425
S-19-296
FairOver: DUNN CREEK
6.0MI NW EDGEFIELD, Edgefield, SC
Built 1965 Load: 17.8 t ADT: 50
S-19-306
FairOver: BR OF TURKEY CREEK
9.9MI NW EDGEFIELD, Edgefield, SC
Built 1965 Load: 17.8 t ADT: 25
S-19-404
FairOver: GIN CREEK
7.6MI NW EDGEFIELD, Edgefield, SC
Built 1974 Load: 17.8 t ADT: 50
Showing 1,101-1,150 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 |