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-34-321
FairOver: CRUTCHLOW BRANCH
2MI N NICHOLS, Marion, SC
Built 1962 Load: 16.5 t ADT: 100
S-34-482
FairOver: COLLINS CREEK
5MI S MARION, Marion, SC
Built 1967 Load: 16.5 t ADT: 100
S-34-38
FairOver: CATFISH CANAL
IN MARION, Marion, SC
Built 1969 Load: 16.5 t ADT: 2,700
S-34-600
FairOver: MAIDENDOWN SWAMP
3.5 MI N MULLINS, Marion, SC
Built 1974 Load: 16.5 t ADT: 25
S-34-543
FairOver: BROWNS CANAL
IN MULLINS OFF OF US-76, Marion, SC
Built 1975 Load: 16.5 t ADT: 350
S-35-356
FairOver: COTTINGHAM CREEK
2 MI E BENNETTSVILLE, Marlboro, SC
Built 1961 Load: 16.5 t ADT: 175
S-35-29
FairOver: COTTINGHAM CREEK
4 MI S BENNETTSVILLE, Marlboro, SC
Built 1963 Load: 16.5 t ADT: 275
S-35-54
FairOver: WOLF CREEK
1.5 MI E WALLACE, Marlboro, SC
Built 1963 Load: 16.5 t ADT: 550
S-35-18
FairOver: THREE CREEKS
3 MI S BLENHEIM, Marlboro, SC
Built 1964 Load: 16.5 t ADT: 425
S-35-34
FairOver: LITTLE PEE DEE OVERFLOW
0.5 MI E MCCOLL, Marlboro, SC
Built 1969 Load: 16.5 t ADT: 650
S-35-564
FairOver: MACHINE BRANCH
5 MI S BENNETTSVILLE, Marlboro, SC
Built 1970 Load: 16.5 t ADT: 125
S-40-205
FairOver: SMITH BRANCH
2 MI N OF COLUMBIA, Richland, SC
Built 1960 Load: 16.5 t ADT: 2,400
S-40-66
FairOver: CABIN BRANCH
1.5 MI E OF HOPKINS, Richland, SC
Built 1973 Load: 16.5 t ADT: 1,150
S-40-244
FairOver: HOLLINSHEAD CREEK
4 MI NE OF BALLENTINE, Richland, SC
Built 1985 Load: 16.5 t ADT: 3,000
C-42-2245
FairOver: CSX RR
4.6 MI S CHESNEE, Spartanburg, SC
Built 1987 Load: 16.5 t ADT: 225
S-44-267
FairOver: MILL CR BRANCH
1.9 MI N JONESVILLE, Union, SC
Built 1966 Load: 16.5 t ADT: 150
S-44-324
FairOver: SANDY RUN CREEK
1.6 MI NE JONESVILLE, Union, SC
Built 1967 Load: 16.5 t ADT: 175
S-44-328
FairOver: FANNING CREEK BR
7.5 MI E JONESVILLE, Union, SC
Built 1968 Load: 16.5 t ADT: 125
S-45-40
FairOver: MILL CREEK
4.0 MI NE HEMINGWAY, Williamsburg, SC
Built 1958 Load: 16.5 t ADT: 750
S-45-249
FairOver: BR KINGSTREE SWP CANAL
4.0 MI N KINGSTREE, Williamsburg, SC
Built 1958 Load: 16.5 t ADT: 175
S-45-221
FairOver: BR OF OX SWAMP
7.0 MI E LANE, Williamsburg, SC
Built 1960 Load: 16.5 t ADT: 375
S-45-122
FairOver: JOHNSONS SWAMP
4.0 MI W ANDREWS, Williamsburg, SC
Built 1962 Load: 16.5 t ADT: 225
S-45-160
FairOver: BR-POPLAR HILL BR
3.0 MI S HEMINGWAY, Williamsburg, SC
Built 1963 Load: 16.5 t ADT: 125
S-45-44
FairOver: CLAPP SWAMP TRIB
4.0 MI NW KINGSTREE, Williamsburg, SC
Built 1965 Load: 16.5 t ADT: 700
S-45-118
FairOver: BR OF BOGGY SWAMP
6.5 MI W HEMINGWAY, Williamsburg, SC
Built 1965 Load: 16.5 t ADT: 750
S-45-381
FairOver: BR OF SOCCEE SWAMP
4.0 MI NE HEMINGWAY, Williamsburg, SC
Built 1966 Load: 16.5 t ADT: 175
S-45-382
FairOver: BR KINGSTREE SWP CANAL
3.0 MI N KINGSTREE, Williamsburg, SC
Built 1966 Load: 16.5 t ADT: 175
S-45-80
FairOver: HALLIMANS SWAMP
2.0 M NE GREELYVILLE, Williamsburg, SC
Built 1973 Load: 16.5 t ADT: 225
S-45-552
FairOver: SMITH SWAMP
3.0 MI NE CADES, Williamsburg, SC
Built 2005 Load: 16.5 t ADT: 175
S-46-538
FairOver: BR WILDCAT CR
CITY OF ROCK HILL, York, SC
Built 1958 Load: 16.5 t ADT: 900
S-46-815
FairOver: LITTLE ALLISON CK.
5.7 MI E YORK, York, SC
Built 1964 Load: 16.5 t ADT: 275
S-46-766
FairOver: BR - CONRAD CREEK
1.2 MI S MCCONNELS, York, SC
Built 1968 Load: 16.5 t ADT: 175
S-46-889
FairOver: BULLOCKS CREEK BRANCH
5.5 MI SW CLOVER, York, SC
Built 1968 Load: 16.5 t ADT: 225
S-46-996
FairOver: SILVER CREEK
4.3 MI W YORK, York, SC
Built 1969 Load: 16.5 t ADT: 125
S-46-997
FairOver: NEELYS CREEK
7.8 MI SE ROCK HILL, York, SC
Built 1969 Load: 16.5 t ADT: 450
S-46-72
FairOver: BR OF LOVE BR
1.4 MI S HICKORY GROVE, York, SC
Built 1974 Load: 16.5 t ADT: 225
S-46-72
FairOver: TRIB TO LOVE BR
2.1 MI SW HICKORY GROVE, York, SC
Built 1975 Load: 16.5 t ADT: 225
C-4-7356
FairOver: WILSON CR
10.2 MI SW OF ANDERSON, Anderson, SC
Built 1960 Load: 16.8 t ADT: 50
L-2133
FairOver: TONEY CREEK
11.9 MI NE OF ANDERSON, Anderson, SC
Built 1963 Load: 16.8 t ADT: 125
S-4-567
FairOver: SIX & TWENTY CREEK
7.6MI NW WILLIAMSTON, Anderson, SC
Built 1970 Load: 16.8 t ADT: 2,400
S-9-16
FairOver: BURKE CREEK
4 MI W ST MATHEWS, Calhoun, SC
Built 1965 Load: 16.8 t ADT: 225
S-10-317
FairOver: DRAYTON SWAMP
13.5 MI SW SUMR'VL, Charleston, SC
Built 1955 Load: 16.8 t ADT: 125
S-12-555
FairOver: BEAVER DAM CREEK
4.6MI SE RICHBURG, Chester, SC
Built 1967 Load: 16.8 t ADT: 125
S-12-42
FairOver: SANDY RIVER
7.2MI SW CHESTER, Chester, SC
Built 1970 Load: 16.8 t ADT: 50
S-13-513
FairOver: BIG BLACK CREEK
1.5 MI S PAGELAND, Chesterfield, SC
Built 1964 Load: 16.8 t ADT: 550
S-13-105
FairOver: DEAD PINE CREEK
5MI W PAGELAND, Chesterfield, SC
Built 1967 Load: 16.8 t ADT: 250
SC 261
FairOver: SAMMY SWAMP
4MI W OF MANNING, Clarendon, SC
Built 1937 Load: 16.8 t ADT: 3,900
S-16-363
FairOver: NEWMANS SWAMP
2MI NW LAMAR, Darlington, SC
Built 1959 Load: 16.8 t ADT: 175
S-16-326
FairOver: INDIAN CREEK
4MI SW DARLINGTON, Darlington, SC
Built 1960 Load: 16.8 t ADT: 450
S-16-27
FairOver: MILL BRANCH
2.0 MI W LAMAR, Darlington, SC
Built 1961 Load: 16.8 t ADT: 500
Showing 951-1,000 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 |