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 SB
FairOver: GR. PEE DEE SWP & F-RD
11MI NE OF FLORENCE, Florence, SC
Built 1966 Load: 39.9 t ADT: 23,350
US 15
FairOver: FOUR HOLE SWAMP
4 MI SW OF HOLLY HILL, Orangeburg, SC
Built 2006 Load: 39.9 t ADT: 800
S-42-43
FairOver: TRIB-LTL BUCK CK
2.0 MI SW CHESNEE, Spartanburg, SC
Built 1948 Load: 39.9 t ADT: 1,300
SC 527
FairOver: PUDDING SWAMP
6.5 MI NW OF KINGSTREE, Williamsburg, SC
Built 1985 Load: 39.9 t ADT: 2,700
C-2-1745
FairOver: DEAN CREEK
4 MI SW WAGENER, Aiken, SC
Built 1987 Load: 40.2 t ADT: 125
SC 187
FairOver: WEEMS CREEK
11.4 MI SW OF ANDERSON, Anderson, SC
Built 1979 Load: 40.2 t ADT: 550
US 78
FairOver: POPPERDAM CREEK
1.0 MI SE LADSON, Charleston, SC
Built 2001 Load: 40.2 t ADT: 44,400
S-13-22
FairOver: MOUNT PRONG CREEK
10.8 MI W CHERAW, Chesterfield, SC
Built 1988 Load: 40.2 t ADT: 225
S-13-23
FairOver: BIG WESTFIELD CREEK
7.0 MI NE CHESTERFIELD, Chesterfield, SC
Built 1990 Load: 40.2 t ADT: 650
US 221 NBL
FairOver: CORONACA CREEK
1.2 MI SW OF SC 246, Greenwood, SC
Built 1975 Load: 40.2 t ADT: 7,150
US 521
FairOver: SWIFT CREEK
8 MI S OF CAMDEN, Kershaw, SC
Built 1960 Load: 40.2 t ADT: 8,200
SC 97
FairOver: CATAWBA RIVER
CHESTER CO LN, Lancaster, SC
Built 1986 Load: 40.2 t ADT: 800
US 76
FairOver: BLACK RIVER SWAMP
1 MI NE OF MAYESVILLE, Sumter, SC
Built 2004 Load: 40.2 t ADT: 1,600
US 278
FairOver: BUCK CREEK
8MI S OF WILLISTON, Barnwell, SC
Built 1952 Load: 40.5 t ADT: 3,300
S-10-2521
FairOver: FILBIN CREEK
IN N. CHARLESTON, Charleston, SC
Built 1986 Load: 40.5 t ADT: 375
L-3028/HRBRWATCHCT
FairOver: TIDAL CREEK
MOUNT PLEASANT, Charleston, SC
Built 1990 Load: 40.5 t ADT: 600
I-20 WB
FairOver: SPARROW SWAMP
2MI N OF LAMAR, Darlington, SC
Built 1972 Load: 40.5 t ADT: 14,350
S-18-18
FairOver: CATTLE CREEK
8.4MI W OF ST GEORGE, Dorchester, SC
Built 1994 Load: 40.5 t ADT: 175
I-95 NB
FairOver: LAKE SWAMP
2MI SE OF TIMMONSVILLE, Florence, SC
Built 1966 Load: 40.5 t ADT: 19,200
US 221
FairOver: SALUDA RIVER
8.5 MI NE GREENWOOD, Greenwood, SC
Built 1989 Load: 40.5 t ADT: 14,300
I-20 WB
FairOver: BIG PINE TREE CREEK
2 MI SE OF CAMDEN, Kershaw, SC
Built 1970 Load: 40.5 t ADT: 21,100
S-29-71
FairOver: BEAR CREEK
6.9 MI SE LANCASTER, Lancaster, SC
Built 1925 Load: 40.5 t ADT: 550
I-26
FairOver: SADDLER SWAMP
8 MI N OF ORANGEBURG, Orangeburg, SC
Built 1960 Load: 40.5 t ADT: 25,600
S-40-80
FairOver: HOLLINSHEAD CREEK
3 MI NE OF BALLENTINE, Richland, SC
Built 1992 Load: 40.5 t ADT: 800
C-42-38
FairOver: TRIB MIDDLE TIGER RIVER
6.1 MI SW OF INMAN, Spartanburg, SC
Built 1992 Load: 40.5 t ADT: 225
SC 302
FairOver: DEAN CREEK
3 MI W OF WAGENER, Aiken, SC
Built 1937 Load: 40.8 t ADT: 1,600
SC 125
FairOver: DAVIS BRANCH
8MI W OF ALLENDALE, Allendale, SC
Built 1931 Load: 40.8 t ADT: 1,500
SC 20
FairOver: BIG CREEK
WILLIAMSTON TOWN LIMITS, Anderson, SC
Built 1930 Load: 40.8 t ADT: 12,000
I-85 NBL
FairOver: HURRICANE CREEK
5.1MI NW OF WILLIAMSTON, Anderson, SC
Built 1963 Load: 40.8 t ADT: 34,500
S-7-77/SEASIDE RD
FairOver: CLUB BRIDGE CREEK
8.6 MI SE BEAUFORT, Beaufort, SC
Built 2003 Load: 40.8 t ADT: 950
I-95 SB
FairOver: INDIAN FIELD SWAMP
4 MI N OF ST GEORGE, Dorchester, SC
Built 1972 Load: 40.8 t ADT: 25,600
I-95 NB
FairOver: TRIB TO CROOKED CR
7.5 MI SW ST GEORGE, Dorchester, SC
Built 1973 Load: 40.8 t ADT: 25,400
I-95 NB
FairOver: CROOKED CREEK
5.8 MI SW ST GEORGE, Dorchester, SC
Built 1973 Load: 40.8 t ADT: 25,400
I-95 SB
FairOver: TRIB TO CROOKED CR
7.5 MI SW ST GEORGE, Dorchester, SC
Built 1973 Load: 40.8 t ADT: 25,400
I-95 SB
FairOver: TRIB TO CROOKED CR
7.2 MI SW ST GEORGE, Dorchester, SC
Built 1973 Load: 40.8 t ADT: 25,400
I-95 SB
FairOver: CROOKED CREEK
5.8 MI SW ST GEORGE, Dorchester, SC
Built 1973 Load: 40.8 t ADT: 25,400
SC 41
FairOver: LYNCHES RIVER SWAMP
1MI N OF JOHNSONVILLE, Florence, SC
Built 2007 Load: 40.8 t ADT: 7,800
C-22-893
FairOver: GUINEA CREEK
9.5 MI N OF GEORGETOWN, Georgetown, SC
Built 1992 Load: 40.8 t ADT: 225
I-95 NB
FairOver: TULLIFINNY RIVER
1MI N OF COOSAWHATCHIE, Jasper, SC
Built 1974 Load: 40.8 t ADT: 29,650
I-95 SB
FairOver: COOSAWHATCHIE RIVER
@ COOSAWHATCHIE, Jasper, SC
Built 1974 Load: 40.8 t ADT: 29,650
S-32-169
FairOver: 12 MILE CREEK
5 MI SW OF LEXINGTON, Lexington, SC
Built 1989 Load: 40.8 t ADT: 200
US 76
FairOver: RICHLAND CREEK
4.0 MI W OF SENECA, Oconee, SC
Built 1965 Load: 40.8 t ADT: 14,500
I-126 WB
FairOver: RR CSXT & RR NS
CITY OF COLUMBIA, Richland, SC
Built 1959 Load: 40.8 t ADT: 30,950
RAMP OFF I-77 SB
FairOver: SOUTH FORK CREEK
4 MI E OF COLUMBIA, Richland, SC
Built 1991 Load: 40.8 t ADT: 7,700
I-26
FairOver: MEADOW CREEK
3.0 MI NE OF INMAN, Spartanburg, SC
Built 1960 Load: 40.8 t ADT: 37,400
I-26 EB
FairOver: CSXT RR
7.0 MI SW OF SPARTANBURG, Spartanburg, SC
Built 1960 Load: 40.8 t ADT: 15,850
US 76 EB
FairOver: WATEREE RIVER SWP-3
12 MI W OF SUMTER, Sumter, SC
Built 2009 Load: 40.8 t ADT: 9,550
US 378 EB
FairOver: BLACK RIVER SWAMP (NO. 1
10 MI E OF SUMTER, Sumter, SC
Built 1972 Load: 40.8 t ADT: 5,750
US 378 EB
FairOver: BLACK RIVER SWAMP (NO. 2
10 MI E OF SUMTER, Sumter, SC
Built 1972 Load: 40.8 t ADT: 5,750
S-43-25
FairOver: CANE SAVANNAH CREEK
3 MI SW OF SUMTER, Sumter, SC
Built 1997 Load: 40.8 t ADT: 6,000
Showing 2,901-2,950 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 |