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
I-95 NB
FairOver: COMBAHEE SWAMP
HAMP/COL CO LN, Colleton, SC
Built 1970 Load: 35.3 t ADT: 26,050
I-95 SB
FairOver: COMBAHEE RIVER
HAMP/COL CO LN, Colleton, SC
Built 1970 Load: 35.3 t ADT: 26,050
I-26 EB
FairOver: SOUTHERN RAILROAD
8.1 MI NE ST GEORGE, Dorchester, SC
Built 1960 Load: 35.3 t ADT: 22,700
I-26 WB
FairOver: SOUTHERN RAILROAD
8.1 MI NE ST GEORGE, Dorchester, SC
Built 1960 Load: 35.3 t ADT: 22,700
S-118
FairOver: SOUTHERN RR
TOWN OF WINNSBORO, Fairfield, SC
Built 1954 Load: 35.3 t ADT: 1,500
S-24-39
FairOver: ROCKY CREEK
3.5MI NE GREENWOOD, Greenwood, SC
Built 1980 Load: 35.3 t ADT: 2,500
S-26-99
FairOver: BR OF LAKE SWAMP
3 MI N GALIVANTS FERRY, Horry, SC
Built 1994 Load: 35.3 t ADT: 500
C-29-1104
FairOver: BEAVER CREEK
7.5 MI S. HEATH SPRINGS, Lancaster, SC
Built 1985 Load: 35.3 t ADT: 200
S-32-24
FairOver: LITTLE HOLLOW CREEK
7 MI N OF GILBERT, Lexington, SC
Built 1994 Load: 35.3 t ADT: 2,800
US 501
FairOver: BR OF CATFISH CANAL
5 MI N OF MARION, Marion, SC
Built 2006 Load: 35.3 t ADT: 8,600
US 15
FairOver: RR TO WILLAMETTE
4.5MI SW BENNETSVILLE, Marlboro, SC
Built 1989 Load: 35.3 t ADT: 4,200
C-39-2743
FairOver: SOUTH SALUDA RIV
14 MI N PICKENS, Pickens, SC
Built 2000 Load: 35.3 t ADT: 433
S-42-243
FairOver: CHEROKEE CREEK
7.0 MI NE SPARTANBURG, Spartanburg, SC
Built 1930 Load: 35.3 t ADT: 3,500
S-45-35
FairOver: MILLS BRANCH
4.0 MI N GREELEYVILLE, Williamsburg, SC
Built 1995 Load: 35.3 t ADT: 750
S-45-35
FairOver: BR OF BLACK RIVER
8.0 MI N GREELEYVILLE, Williamsburg, SC
Built 1995 Load: 35.3 t ADT: 750
US 21
FairOver: STREAM
CITY OF ROCK HILL, York, SC
Built 1947 Load: 35.3 t ADT: 20,000
SC 322
FairOver: FISHING CREEK
3.6 MI W OF ROCK HILL, York, SC
Built 1968 Load: 35.3 t ADT: 9,700
S-46-338
FairOver: BR. WILDCAT CREEK
RODDY ST/ROCK HILL, York, SC
Built 1995 Load: 35.3 t ADT: 150
US 1
FairOver: HORSE CREEK
GRANITVILLE, Aiken, SC
Built 1950 Load: 35.6 t ADT: 25,600
US 278
FairOver: TOWN CREEK
5 MI E OF BEACH ISLAND, Aiken, SC
Built 1950 Load: 35.6 t ADT: 8,400
SC 191
FairOver: CANAL
GRANITVILLE, Aiken, SC
Built 1982 Load: 35.6 t ADT: 1,500
MALECON DR
FairOver: ARCHERS CREEK
2.0 KM NW OF WAKE BLVD., Beaufort, SC
Built 1954 Load: 35.6 t ADT: 2,000
S-11-52
FairOver: BUFFALO CREEK
2.8MI N BLACKSBURG, Cherokee, SC
Built 1990 Load: 35.6 t ADT: 350
S-11-94
FairOver: LINDER CREEK
6.8 MI NW GAFFNEY, Cherokee, SC
Built 1995 Load: 35.6 t ADT: 425
I-77 NB
FairOver: S. FORK FISHING CK
2.5 MI N. OF SC 9, Chester, SC
Built 1979 Load: 35.6 t ADT: 27,600
US 378
FairOver: HORSE BRANCH
1MI E OF TURBEVILLE, Clarendon, SC
Built 1938 Load: 35.6 t ADT: 6,100
S-16-133
FairOver: SCL RAILROAD
3MI S SOCIETY HILL, Darlington, SC
Built 1969 Load: 35.6 t ADT: 1,750
SC 3/HERITAGE RD
FairOver: CYPRESS CREEK
1.5MI W OF GRAYS, Jasper, SC
Built 1974 Load: 35.6 t ADT: 1,000
SC 903
FairOver: BEAR CREEK
8.5 MI E OF LANCASTER, Lancaster, SC
Built 1934 Load: 35.6 t ADT: 7,700
I-20
FairOver: MILL BRANCH
6MI SE OF BISHOPVILLE, Lee, SC
Built 1972 Load: 35.6 t ADT: 28,800
US 501 NB
FairOver: LITTLE PEE DEE SWP-4
1 MI W GAILVANTS FERRY, Marion, SC
Built 1974 Load: 35.6 t ADT: 9,650
US 501 NB
FairOver: LITTLE PEE DEE SWP-5
.2 MI W GALIVANTS FERRY, Marion, SC
Built 1974 Load: 35.6 t ADT: 9,650
C-36-506
FairOver: BR TO CANNONS CREEK
IN NEWBERRY, Newberry, SC
Built 1992 Load: 35.6 t ADT: 75
SC 11
FairOver: SOUTHERN RWY
3.0 MI E OF WESTMINSTER, Oconee, SC
Built 1974 Load: 35.6 t ADT: 5,700
SC 760
FairOver: WILDCAT CREEK
4 MI E OF COLUMBIA, Richland, SC
Built 1941 Load: 35.6 t ADT: 11,200
S-46-195
FairOver: BR. BIG DUTCHMAN CR
4.9 MI N ROCK HILL, York, SC
Built 1994 Load: 35.6 t ADT: 11,300
C-4-1144
FairOver: BROAD MOUTH CR
12.0 MI E OF ANDERSON, Anderson, SC
Built 1955 Load: 36.0 t ADT: 125
SC 46/OKATIE HWY
FairOver: SCL RR ABANDONED
8MI W OF BLUFFTON, Beaufort, SC
Built 1936 Load: 36.0 t ADT: 19,100
I-77 NB
FairOver: ROCKY CREEK
1.5 MI NORTH OF SC 97, Chester, SC
Built 1979 Load: 36.0 t ADT: 23,900
S-12-30
FairOver: LUCAS BRANCH
7MI W CHESTER, Chester, SC
Built 1986 Load: 36.0 t ADT: 325
US 21
FairOver: INDIAN CREEK
11.0 MI W OF WALTERBORO, Colleton, SC
Built 1955 Load: 36.0 t ADT: 1,500
US 17 ALT
FairOver: EDISTO RIVER SWP (2)
4.5 MI SE OF COTTAGEVILLE, Colleton, SC
Built 1971 Load: 36.0 t ADT: 7,700
S-30-60
FairOver: CSX RAILROAD
LAURENS CITY LIMITS, Laurens, SC
Built 1973 Load: 36.0 t ADT: 2,900
S-30-307
FairOver: RABON CREEK
11.6 MI SW LAURENS, Laurens, SC
Built 1999 Load: 36.0 t ADT: 500
SC 34 CON
FairOver: SCOTTS CR
1.2 MI S W OF NEWBERRY, Newberry, SC
Built 1975 Load: 36.0 t ADT: 1,800
SC 120
FairOver: CANE SAVANNAH CREEK
4 MI SW OF SUMTER, Sumter, SC
Built 1971 Load: 36.0 t ADT: 6,000
S-4-71
FairOver: LAKE HARTWELL
6.9MI NW ANDERSON, Anderson, SC
Built 1962 Load: 36.3 t ADT: 3,200
S-13-22
FairOver: BRANCH OF BEAR CREEK
8.1 MI W CHERAW, Chesterfield, SC
Built 1988 Load: 36.3 t ADT: 225
I-26 WB
FairOver: STREAM
8 MI NE OF ST GEORGE, Dorchester, SC
Built 1962 Load: 36.3 t ADT: 22,400
S-23-147
FairOver: BRUSHY CREEK
CITY GREENV-WASHINGTON ST, Greenville, SC
Built 1928 Load: 36.3 t ADT: 5,700
Showing 2,701-2,750 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 |