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-26-45
FairOver: MEADOW SWAMP
1 MI S LORIS, Horry, SC
Built 1978 Load: 23.3 t ADT: 1,200
S-26-19
FairOver: KINGSTON LAKE
3 MI N HICKORY GROVE, Horry, SC
Built 1981 Load: 23.3 t ADT: 1,350
S-26-726
FairOver: BR TO CHINNERS SWAMP
7 MI NE OF AYNOR, Horry, SC
Built 1977 Load: 23.3 t ADT: 400
S-27-424
FairOver: COOSAWHATCHIE RIVER
@ COOSAWHATCHIE, Jasper, SC
Built 1922 Load: 23.3 t ADT: 25
S-28-90
FairOver: SWIFT CREEK
6 MI E OF CAMDEN, Kershaw, SC
Built 1975 Load: 23.3 t ADT: 700
SC 527
FairOver: CANAL
5MI SW OF LYNCHBURG, Lee, SC
Built 1947 Load: 23.3 t ADT: 1,000
US 378
FairOver: WHETSTONE CREEK
9 MI NW OF GILBERT, Lexington, SC
Built 1940 Load: 23.3 t ADT: 9,900
I-20
FairOver: SALUDA RIVER
5MI NW OF COLUMBIA, Lexington, SC
Built 1965 Load: 23.3 t ADT: 77,400
US 76
FairOver: PRICE SWAMP
4 MI E OF MULLINS, Marion, SC
Built 1926 Load: 23.3 t ADT: 2,200
US 1 SB
FairOver: GREAT PEE DEE RIVER
AT CHERAW, Marlboro, SC
Built 1938 Load: 23.3 t ADT: 7,050
SC 183
FairOver: LITTLE CANE CREEK
3.0 MI N OF WALHALLA, Oconee, SC
Built 1936 Load: 23.3 t ADT: 6,100
C-37-569
FairOver: TRIB TO CONEROSS CR
4.0MI NW SENECA, Oconee, SC
Built 1976 Load: 23.3 t ADT: 200
SC 33
FairOver: BULL SWAMP
8 MI NE ORANGEBURG, Orangeburg, SC
Built 1938 Load: 23.3 t ADT: 2,000
S-39-325
FairOver: MAD DOG CREEK
1.5 MI NE EASLEY, Pickens, SC
Built 1973 Load: 23.3 t ADT: 2,300
S-39-113
FairOver: WEAVER CREEK
10.0 MI NE PICKENS, Pickens, SC
Built 1977 Load: 23.3 t ADT: 750
S-39-142
FairOver: LITTLE ESTATOE CREEK
8.5 MI NW PICKENS, Pickens, SC
Built 1981 Load: 23.3 t ADT: 375
S-4-85
FairOver: CANOE CREEK
3.9 MI SW IVA, Anderson, SC
Built 1992 Load: 23.7 t ADT: 125
S-4-254
FairOver: LITTLE CREEK
4.4 MI NE HONEA PATH, Anderson, SC
Built 1994 Load: 23.7 t ADT: 100
SC 72
FairOver: CANEY FORK CREEK
3.3 MI S OF CHESTER, Chester, SC
Built 1929 Load: 23.7 t ADT: 3,300
S-13-54
FairOver: WILSON CREEK
7.5 MI SE PAGELAND, Chesterfield, SC
Built 1973 Load: 23.7 t ADT: 300
S-13-40
FairOver: BR LITTLE FORK CR
1.8 MI N JEFFERSON, Chesterfield, SC
Built 1980 Load: 23.7 t ADT: 600
S-13-54
FairOver: BR OF BIG BLACK CREEK
2 MI SE PAGELAND, Chesterfield, SC
Built 1983 Load: 23.7 t ADT: 1,850
S-13-54
FairOver: CAT TAIL BRANCH
3.5 MI SE PAGELAND, Chesterfield, SC
Built 1984 Load: 23.7 t ADT: 1,850
S-13-23
FairOver: LITTLE WESTFIELD CREEK
5 MI NW CHESTERFIELD, Chesterfield, SC
Built 1985 Load: 23.7 t ADT: 650
S-13-48
FairOver: BR OF THOMPSON CR
4.5 MI N RUBY, Chesterfield, SC
Built 1985 Load: 23.7 t ADT: 175
SC 61/AUGUSTA HWY
FairOver: EDISTO RIVER SWAMP
ON COLL/DORCH CO LN, Colleton, SC
Built 1949 Load: 23.7 t ADT: 2,900
S-16-290
FairOver: BOGGY GULLY SWAMP
3MI N LAMAR, Darlington, SC
Built 1980 Load: 23.7 t ADT: 275
S-17-174
FairOver: BEAR SWAMP -2
1MI NW LAKE VIEW, Dillon, SC
Built 1975 Load: 23.7 t ADT: 275
S-17-657
FairOver: BEAR SWAMP BRANCH
5.4 MI SE DILLON, Dillon, SC
Built 1980 Load: 23.7 t ADT: 125
S-19-76
FairOver: TOBLER CREEK
4.4 MI S EDGEFIELD, Edgefield, SC
Built 1984 Load: 23.7 t ADT: 500
S-21-68
FairOver: SPARROW SWAMP
6 MI SE TIMMONSVILLE, Florence, SC
Built 1973 Load: 23.7 t ADT: 350
S-21-68
FairOver: SPARROW SWAMP
6 MI SE TIMMONSVILLE, Florence, SC
Built 1973 Load: 23.7 t ADT: 350
S-21-146
FairOver: DEEP SWAMP
4MI SW TIMMONSVILLE, Florence, SC
Built 1981 Load: 23.7 t ADT: 250
S-22-306
FairOver: PITTMAN BRANCH
6MI N CHOPPEE, Georgetown, SC
Built 1972 Load: 23.7 t ADT: 350
S-22-318
FairOver: SIX MILE CREEK
6MI N GEORGETOWN, Georgetown, SC
Built 1975 Load: 23.7 t ADT: 1,550
S-22-318
FairOver: MARKET CREEK
5MI N GEORGETOWN, Georgetown, SC
Built 1975 Load: 23.7 t ADT: 1,550
US 76
FairOver: JORDON CREEK
3.5 MI W OF FLOYD, Horry, SC
Built 1930 Load: 23.7 t ADT: 1,050
S-26-591
FairOver: BRUNSON SWAMP
5MI SE AYNOR, Horry, SC
Built 1977 Load: 23.7 t ADT: 2,400
S-26-958
FairOver: TRIB TO WACCAMAW RIVER
2.5 MI SE CONWAY, Horry, SC
Built 1981 Load: 23.7 t ADT: 1,450
S-26-1135
FairOver: TRIB. TO WACCAMAW RIVER
4.3 MI E CONWAY, Horry, SC
Built 1982 Load: 23.7 t ADT: 600
C-26-2545
FairOver: BRUNSON SWAMP
3.5 MI S OF CONWAY, Horry, SC
Built 1993 Load: 23.7 t ADT: 250
US 521
FairOver: GUM SWAMP CREEK
5 MI N OF CAMDEN, Kershaw, SC
Built 1928 Load: 23.7 t ADT: 3,900
I-20 WB
FairOver: WATEREE RIVER
2 MI SW OF CAMDEN, Kershaw, SC
Built 1970 Load: 23.7 t ADT: 21,100
S-28-42
FairOver: BEAVER DAM CREEK
5MI W BETHUNE, Kershaw, SC
Built 1978 Load: 23.7 t ADT: 1,500
S-28-58
FairOver: TRIB FLAT ROCK CREEK
12 MI N OF CAMDEN, Kershaw, SC
Built 1979 Load: 23.7 t ADT: 1,350
S-29-42
FairOver: CLEMS BRANCH
10.8MI N VANWYCK, Lancaster, SC
Built 1974 Load: 23.7 t ADT: 7,900
S-34-34
FairOver: BR OF CATFISH CANAL
4MI SW MARION, Marion, SC
Built 1972 Load: 23.7 t ADT: 250
S-34-680
FairOver: SMITH SWAMP
3MI NE MARION, Marion, SC
Built 1978 Load: 23.7 t ADT: 100
SC 381
FairOver: HAGINS PRONG CREEK
2 MI SW OF CLIO, Marlboro, SC
Built 1937 Load: 23.7 t ADT: 750
S-38-39
FairOver: COOPER SWAMP
9 MI S ORANGEBURG, Orangeburg, SC
Built 1940 Load: 23.7 t ADT: 1,150
Showing 1,751-1,800 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 |