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-25-28
FairOver: JACKSON CREEK
4MI N BRUNSON, Hampton, SC
Built 1988 Load: 37.6 t ADT: 375
S-25-13
FairOver: WHIPPY SWAMP
6MI NE VARNVILLE, Hampton, SC
Built 1996 Load: 37.6 t ADT: 375
S-25-29
FairOver: SALKEHATCHIE RIVER
11MI NE HAMPTON, Hampton, SC
Built 1996 Load: 37.6 t ADT: 150
S-25-29
FairOver: SALKEHATCHIE RIVER
11MI NE HAMPTON, Hampton, SC
Built 1997 Load: 37.6 t ADT: 150
US 76 BUS
FairOver: LITTLE RIVER
MAIN ST LAURENS, Laurens, SC
Built 1929 Load: 37.6 t ADT: 5,700
US 76 EB
FairOver: TOBYS CREEK
0.5 MI E OF PEE DEE, Marion, SC
Built 1973 Load: 37.6 t ADT: 11,300
SC 4
FairOver: GOODLAND CREEK
2MI E OF SPRINGFIELD, Orangeburg, SC
Built 1922 Load: 37.6 t ADT: 1,700
SC 453
FairOver: FOUR HOLE SWAMP
4MI S OF HOLLY HILL, Orangeburg, SC
Built 1975 Load: 37.6 t ADT: 2,500
S-38-80
FairOver: CATTLE CREEK
6MI W BOWMAN, Orangeburg, SC
Built 1989 Load: 37.6 t ADT: 450
S-38-63
FairOver: N. EDISTO RV. SWP
4 MI W BRANCHVILLE, Orangeburg, SC
Built 2000 Load: 37.6 t ADT: 400
US 52
FairOver: BLACK RIVER SWAMP
1 MI S OF KINGSTREE, Williamsburg, SC
Built 2000 Load: 37.6 t ADT: 5,900
US 52
FairOver: BLACK RIVER OVERFLOW
10 MI SW OF KINGSTREE, Williamsburg, SC
Built 2000 Load: 37.6 t ADT: 5,900
S-1-24
FairOver: LITTLE RIVER
4.1 MI NW DUE WEST, Abbeville, SC
Built 1987 Load: 37.9 t ADT: 375
S-2-21
FairOver: SOUTH EDISTO RIVER
12.0 MI E AIKEN, Aiken, SC
Built 1991 Load: 37.9 t ADT: 650
US 17 ALT
FairOver: EDISTO RIVER SWP (3)
4.5 MI SE OF COTTAGEVILLE, Colleton, SC
Built 1972 Load: 37.9 t ADT: 9,500
I-20 WB
FairOver: NEWMAN SWAMP
8 MI E OF BISHOPVILLE, Darlington, SC
Built 1973 Load: 37.9 t ADT: 14,350
I-95 SB
FairOver: TULLIFINNY RIVER
1MI N OF COOSAWHATCHIE, Jasper, SC
Built 1974 Load: 37.9 t ADT: 29,650
S-38-68
FairOver: TARGET SWAMP
3 MI NW HOLLY HILL, Orangeburg, SC
Built 1997 Load: 37.9 t ADT: 375
S-38-833
FairOver: BR OF BULL SWAMP CR
6MI NE NORTH, Orangeburg, SC
Built 1998 Load: 37.9 t ADT: 175
S-46-59
FairOver: LITTLE TURKEY CREEK
5.5 MI S SHARON, York, SC
Built 1981 Load: 37.9 t ADT: 350
S-1-70
FairOver: BOWMANS CREEK
2.7MI W LOWNDESVILLE, Abbeville, SC
Built 1978 Load: 38.2 t ADT: 125
S-3-289
FairOver: LOG BRANCH
4MI NE ALLENDALE, Allendale, SC
Built 1996 Load: 38.2 t ADT: 150
S-4-263
FairOver: ROCKY RIVER
2.5MI SE ANDERSON, Anderson, SC
Built 1978 Load: 38.2 t ADT: 2,700
RAMP OFF I-526 WB
FairOver: TRIB TO HOBCAW CREEK
NEAR MT. PLEASANT, Charleston, SC
Built 1990 Load: 38.2 t ADT: 10,800
S-14-48
FairOver: DOCTOR BRANCH
11MI SE MANNING, Clarendon, SC
Built 1991 Load: 38.2 t ADT: 475
S-14-103
FairOver: DEEP CREEK
4MI E MANNING, Clarendon, SC
Built 1991 Load: 38.2 t ADT: 100
S-14-76
FairOver: BIG BRANCH
5MI SW SUMMERTON, Clarendon, SC
Built 1997 Load: 38.2 t ADT: 300
SC 217
FairOver: LITTLE SWAMP
BAMBG/COLL CO LN, Colleton, SC
Built 1941 Load: 38.2 t ADT: 900
I-20 EB
FairOver: NEWMAN SWAMP
7 MI E OF BISHOPVILLE, Darlington, SC
Built 1973 Load: 38.2 t ADT: 14,350
I-77 NB
FairOver: LITTLE WATEREE CREEK
2.7 MI N OF S-41, Fairfield, SC
Built 1981 Load: 38.2 t ADT: 23,600
I-77 SB
FairOver: LITTLE WATEREE CREEK
2.7 MI N OF S-41, Fairfield, SC
Built 1981 Load: 38.2 t ADT: 23,600
SC 41
FairOver: LYNCHES RIVER SWAMP
1.5MI N OF JOHNSONVILLE, Florence, SC
Built 2007 Load: 38.2 t ADT: 7,800
SC 41
FairOver: LYNCHES RIVER SWAMP
2MI N OF JOHNSONVILLE, Florence, SC
Built 2007 Load: 38.2 t ADT: 7,800
S-21-55
FairOver: SPARROW SWAMP
5MI NW OF EFFINGHAM, Florence, SC
Built 1990 Load: 38.2 t ADT: 950
SC 291
FairOver: NORFOLK SOUTHERN RR
3.3 MI NE GREENVILLE, Greenville, SC
Built 1955 Load: 38.2 t ADT: 31,200
S-24-104
FairOver: HORSEPEN CREEK
5.3MI NE CALLISON, Greenwood, SC
Built 1987 Load: 38.2 t ADT: 150
S-24-133
FairOver: CUFFEYTOWN CREEK
7.8MI SE GREENWOOD, Greenwood, SC
Built 1991 Load: 38.2 t ADT: 275
S-25-345
FairOver: PEN CREEK
9.0 MI SE ESTILL, Hampton, SC
Built 2006 Load: 38.2 t ADT: 125
S-30-730
FairOver: NORTH RABON CREEK
14.2MI NW OF LAURENS, Laurens, SC
Built 1985 Load: 38.2 t ADT: 400
S-31-34
FairOver: BLACK RIVER
5 MI S OF BISHOPVILLE, Lee, SC
Built 1991 Load: 38.2 t ADT: 375
SC 394
FairOver: NORTH EDISTO RIVER
2.0 MI W NORTH, Orangeburg, SC
Built 1984 Load: 38.2 t ADT: 1,700
SC 11
FairOver: LITTLE EASTATOE CREEK
10MI NW OF PICKENS, Pickens, SC
Built 1970 Load: 38.2 t ADT: 2,200
S-44-24
FairOver: CANE CREEK
10.5 MI SW UNION, Union, SC
Built 1988 Load: 38.2 t ADT: 225
S-46-1274
FairOver: MUD CREEK
2.8 MI NW HICKORY GROVE, York, SC
Built 1977 Load: 38.2 t ADT: 50
SC 20
FairOver: CALHOUN CREEK
2.6 MI N W OF ABBEVILLE, Abbeville, SC
Built 1930 Load: 38.6 t ADT: 4,300
SC 20
FairOver: HOGSKIN CREEK
12.8 MI N.W. OF ABBEVILLE, Abbeville, SC
Built 1930 Load: 38.6 t ADT: 1,850
SC 125 NBL
FairOver: HOLLOW CREEK
3 MI NW OF JACKSON, Aiken, SC
Built 1951 Load: 38.6 t ADT: 7,200
C-4-108
FairOver: WILSON CR
8.9 MI SW OF ANDERSON, Anderson, SC
Built 1962 Load: 38.6 t ADT: 125
US 17 ALT & SC 41
FairOver: SANTEE RIVER
21 MI NE MONCKS CORNER, Berkeley, SC
Built 1998 Load: 38.6 t ADT: 5,100
I-95 SB
FairOver: LITTLE PEE DEE RIVER
1.5MI NE OF DILLON, Dillon, SC
Built 1968 Load: 38.6 t ADT: 20,950
Showing 2,801-2,850 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 |