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-11-238
FairOver: GILKEY CREEK
2.8MI S GAFFNEY, Cherokee, SC
Built 1964 Load: 15.2 t ADT: 350
S-13-107
FairOver: HILLS CREEK
3 MI W PAGELAND, Chesterfield, SC
Built 1959 Load: 15.2 t ADT: 550
S-21-106
FairOver: DRAINAGE CANAL
4MI SE TIMMONSVILLE, Florence, SC
Built 1959 Load: 15.2 t ADT: 250
S-22-306
FairOver: BROWNS BRANCH
15MI NE ANDREWS, Georgetown, SC
Built 1967 Load: 15.2 t ADT: 350
S-22-537
FairOver: TRIB TO BLACK RIVER
8 MI N OF GEORGETOWN, Georgetown, SC
Built 1970 Load: 15.2 t ADT: 1,750
C-23-677
FairOver: TRIB TO REEDY CR
2.2 MI S MAULDIN, Greenville, SC
Built 1967 Load: 15.2 t ADT: 150
S-26-554
FairOver: TODD SWAMP
10MI S LORIS, Horry, SC
Built 1963 Load: 15.2 t ADT: 1,000
S-26-45
FairOver: DAWSEY SWAMP
2.5 MI SE GALIVANTS FERRY, Horry, SC
Built 1967 Load: 15.2 t ADT: 1,000
S-29-292
FairOver: BEAR CREEK
CITY LANCASTER, Lancaster, SC
Built 1963 Load: 15.2 t ADT: 2,000
S-29-51
FairOver: BIG OTTER CREEK
12.7MI NE LANCASTER, Lancaster, SC
Built 1964 Load: 15.2 t ADT: 375
S-39-49
FairOver: LITTLE ESTATOE CREEK
10.0 MI NW PICKENS, Pickens, SC
Built 1972 Load: 15.2 t ADT: 1,050
S-40-1597
FairOver: EIGHTMILE BRANCH
4 MI NW OF COLUMBIA, Richland, SC
Built 1972 Load: 15.2 t ADT: 750
S-44-233
FairOver: MITCHELL CREEK
7 MI NW UNION, Union, SC
Built 1957 Load: 15.2 t ADT: 425
S-45-122
FairOver: MURRAY SWAMP
3.5 MI SW ANDREWS, Williamsburg, SC
Built 1962 Load: 15.2 t ADT: 225
S-46-414
FairOver: CALABASH BRANCH
6.1 MI N YORK, York, SC
Built 1962 Load: 15.2 t ADT: 600
S-46-889
FairOver: GIN BRANCH
5.6 MI SW CLOVER, York, SC
Built 1968 Load: 15.2 t ADT: 225
S-46-1069
FairOver: BR. MANCHESTER CREEK
CITY OF ROCK HILL, York, SC
Built 1968 Load: 15.2 t ADT: 150
S-11-141
FairOver: BRANCH OF KINGS CREEK
5.7MI SE BLACKSBURG, Cherokee, SC
Built 1978 Load: 15.6 t ADT: 250
S-16-151
FairOver: LAKE SWAMP
5MI N LAMAR, Darlington, SC
Built 1962 Load: 15.6 t ADT: 200
S-20-420
FairOver: UNNAMED STREAM
11.5MI SW WINNSBORO, Fairfield, SC
Built 1969 Load: 15.6 t ADT: 125
S-21-106
FairOver: LAKE SWAMP
4MI SE TIMMONSVILLE, Florence, SC
Built 1959 Load: 15.6 t ADT: 250
S-23-143
FairOver: HORSE PEN CREEK
6.5MI NE SIMPSONVILLE, Greenville, SC
Built 1970 Load: 15.6 t ADT: 1,050
S-26-112
FairOver: SIMPSON CREEK
5.5 MI S LORIS, Horry, SC
Built 1960 Load: 15.6 t ADT: 1,000
S-26-107
FairOver: BROWN SWAMP
1 MI W CONWAY, Horry, SC
Built 1970 Load: 15.6 t ADT: 5,100
S-26-65
FairOver: MAPLE SWAMP
2 MI N HOMEWOOD, Horry, SC
Built 1973 Load: 15.6 t ADT: 2,400
S-26-963
FairOver: JOINER CREEK
7MI NE AYNOR, Horry, SC
Built 1976 Load: 15.6 t ADT: 225
C-26-701
FairOver: POPLAR SWAMP
6.5 MI NE OF CONWAY, Horry, SC
Built 2001 Load: 15.6 t ADT: 250
S-28-87
FairOver: TRIB LITTLE LYNCHES RIV
9 MI SE OF KERSHAW, Kershaw, SC
Built 1965 Load: 15.6 t ADT: 250
S-29-246
FairOver: CAMP CREEK
4.5 MI NE LANCASTER, Lancaster, SC
Built 1969 Load: 15.6 t ADT: 1,450
SC 823
FairOver: LOTT CREEK
13.5MI NW OF MCCORMICK, McCormick, SC
Built 1958 Load: 15.6 t ADT: 225
S-37-242
FairOver: TRIB CHOESTOEA CK
5 MI S WESTMINSTER, Oconee, SC
Built 1969 Load: 15.6 t ADT: 150
S-37-174
FairOver: TRIB TO OCONEE CREEK
5 MI N WALHALLA, Oconee, SC
Built 1976 Load: 15.6 t ADT: 425
SC 28
FairOver: CHATTOOGA RIVER
GA/SC STATE LINE, Oconee, SC
Built 1936 Load: 15.6 t ADT: 225
SC 135
FairOver: SHOALS CREEK
7.5 MI NE PICKENS, Pickens, SC
Built 1959 Load: 15.6 t ADT: 3,300
S-42-1091
FairOver: TRIB TO BUCK CREEK
5 MI. W. OF CHESNEE, Spartanburg, SC
Built 1978 Load: 15.6 t ADT: 600
S-44-359
FairOver: BROCKS CREEK
6 MI S CARLISLE, Union, SC
Built 1974 Load: 15.6 t ADT: 125
S-45-525
FairOver: JOHNSON SWAMP CREEK
1.0 MI N ANDREWS, Williamsburg, SC
Built 1971 Load: 15.6 t ADT: 450
S-46-885
FairOver: BIGGERS BRANCH
8.1 MI SW CLOVER, York, SC
Built 1968 Load: 15.6 t ADT: 75
S-4-294
FairOver: EAST BEARDS CREEK
2.1MI SE IVA, Anderson, SC
Built 1958 Load: 15.9 t ADT: 75
US 17
FairOver: RR CSXT & US 52 BUS
IN CHARLESTON CITY LIMITS, Charleston, SC
Built 2005 Load: 15.9 t ADT: 94,400
S-13-224
FairOver: INDIAN CREEK
1.4 MI W CHESTERFIELD, Chesterfield, SC
Built 1963 Load: 15.9 t ADT: 1,150
S-14-257
FairOver: TRIB TO LAKE MARION
7MI SW SUMMERTON, Clarendon, SC
Built 1970 Load: 15.9 t ADT: 175
S-16-50
FairOver: TRIB TO BLACK CREEK
3MI N HARTSVILLE, Darlington, SC
Built 1969 Load: 15.9 t ADT: 375
S-16-154
FairOver: DEEP HOLE SWAMP
2MI S LAMAR, Darlington, SC
Built 1974 Load: 15.9 t ADT: 850
S-17-484
FairOver: BR OF BEAR SWAMP
3MI SE LAKE VIEW, Dillon, SC
Built 1965 Load: 15.9 t ADT: 100
S-20-304
FairOver: MORRIS CREEK
6.8MI SW WINNSBORO, Fairfield, SC
Built 1968 Load: 15.9 t ADT: 325
S-22-5
FairOver: BR-BROWNS SWAMP
6MI S OUTLAND, Georgetown, SC
Built 1961 Load: 15.9 t ADT: 500
S-22-4
FairOver: BR-BLACK RIVER
11MI N GEORGETOWN, Georgetown, SC
Built 1965 Load: 15.9 t ADT: 475
S-22-75
FairOver: BR-BOSER SWAMP
21MI NE ANDREWS, Georgetown, SC
Built 1967 Load: 15.9 t ADT: 125
S-22-31
FairOver: LANE CREEK
10.5MI SW GEORGETOWN, Georgetown, SC
Built 1971 Load: 15.9 t ADT: 1,500
Showing 751-800 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 |