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
US 123/SC 93 CON
UnknownOver: US 123 SBL
1.0 MI SW EASLEY, Pickens, SC
Built 1963 ADT: 25,400
S-39-53
UnknownOver: U.S. 123
2.0 MI E LIBERTY, Pickens, SC
Built 1963 ADT: 29,500
SC 153
UnknownOver: US 123
4.2 MI E EASLEY, Pickens, SC
Built 1985 ADT: 41,400
US 76
UnknownOver: US 601
9 MI W OF STATEBURG, Richland, SC
Built 1957 ADT: 3,900
I-26 RAMP
UnknownOver: RAMP OFF I-26 EB
4 MI NW OF COLUMBIA, Richland, SC
Built 1958 ADT: 61,900
RAMP OFF I-126 WB
UnknownOver: I-126E@RAMPON I-126WB
CITY OF COLUMBIA, Richland, SC
Built 1959 ADT: 31,750
US 76/176
UnknownOver: I-26
1 MI N OF IRMO, Richland, SC
Built 2002 ADT: 80,100
I-126
UnknownOver: L-43-4083
1 MI NW OF COLUMBIA, Richland, SC
Built 1960 ADT: 132
I-20
UnknownOver: SC 555,SOU RR,FRTG RD
6 MI N OF COLA, Richland, SC
Built 1965 ADT: 11,800
S-40-52
UnknownOver: I-20
3MI S PONTIAC, Richland, SC
Built 1965 ADT: 81,800
S-40-1036
UnknownOver: I-20
7 MI NE OF COLUMBIA, Richland, SC
Built 1965 ADT: 83,900
US 21
UnknownOver: I-20
5 MI NE OF COLUMBIA, Richland, SC
Built 1966 ADT: 104,200
SC 277 NB
UnknownOver: SC 16
CITY OF COLUMBIA, Richland, SC
Built 1973 ADT: 9,750
SC 277 SB
UnknownOver: SC 16
CITY OF COLUMBIA, Richland, SC
Built 1973 ADT: 9,750
S-40-228
UnknownOver: SC 277
2 MI N OF COLUMBIA, Richland, SC
Built 1973 ADT: 44,400
S-40-326
UnknownOver: SC 277
2 MI N OF COLUMBIA, Richland, SC
Built 1973 ADT: 44,400
SC 277 RAMP
UnknownOver: RAMP OFF I-20 WB
6 MI NE OF COLA, Richland, SC
Built 1974 ADT: 59,900
RAMP OFF I-20 WB
UnknownOver: I-20
6 MI NE OF COLUMBIA, Richland, SC
Built 1974 ADT: 94,500
SC 277 NB
UnknownOver: S-40-1579
4 MI NE OF COLUMBIA, Richland, SC
Built 1974 ADT: 137
SC 277 SB
UnknownOver: S-40-218 & RR CSXT
4 MI NE OF COLUMBIA, Richland, SC
Built 1974 ADT: 8,350
SC 277 SB
UnknownOver: I-20
6 MI NE OF COLA, Richland, SC
Built 1974 ADT: 47,250
S-40-907
UnknownOver: SC 277
4 MI NE OF COLUMBIA, Richland, SC
Built 1974 ADT: 40,300
S-40-973
UnknownOver: SC 277
1 MI W OF DENTSVILLE, Richland, SC
Built 1974 ADT: 54,300
I-77 NB
UnknownOver: US 21
10 MI N. COLUMBIA, Richland, SC
Built 1976 ADT: 8,000
I-77 SB
UnknownOver: US 21
10 MI N. COLUMBIA, Richland, SC
Built 1976 ADT: 8,000
SC 555 NB
UnknownOver: I-77 & RAMPS ON/OFF I-77
8.0 MI NE OF COLUMBIA, Richland, SC
Built 1976 ADT: 44,200
S-40-52 EB
UnknownOver: I-77
10 MI N COLUMBIA, Richland, SC
Built 1976 ADT: 46,300
S-40-52 WB
UnknownOver: I-77
10 MI N COLUMBIA, Richland, SC
Built 1976 ADT: 46,300
S-40-83
UnknownOver: I-77
9 MI NE OF COLUMBIA, Richland, SC
Built 1976 ADT: 92,600
S-40-1437
UnknownOver: I-77
11 MI N OF COLUMBIA, Richland, SC
Built 1976 ADT: 72,700
US 1
UnknownOver: I-77
1.0 MI N OF I-20, Richland, SC
Built 1977 ADT: 62,400
I-77 NB
UnknownOver: S-1722 & JACKSON CK
0.5 MI NW US 1, Richland, SC
Built 1981 ADT: 1,000
I-77 SB
UnknownOver: S-1722 & JACKSON CK
0.5 MI NW US 1, Richland, SC
Built 1981 ADT: 1,000
S-40-757
UnknownOver: I-26
9 MI NW OF COLUMBIA, Richland, SC
Built 1981 ADT: 95,800
S-40-1196
UnknownOver: I-20
8 MI NE COLUMBIA, Richland, SC
Built 1981 ADT: 69,200
I-20 WB
UnknownOver: ALPINE RD S-40-63
8 MI NE OF COLUMBIA, Richland, SC
Built 1983 ADT: 4,900
I-77 NB
UnknownOver: SC 48
4 MI S COLUMBIA, Richland, SC
Built 1983 ADT: 10,600
I-77 SB
UnknownOver: SC 48
4 MI S COLUMBIA, Richland, SC
Built 1983 ADT: 10,600
RAMP OFF I-77 SB
UnknownOver: I-20/RAMP OFF I-20 EB
8 MI NE OF COLUMBIA, Richland, SC
Built 1985 ADT: 34,600
RAMP OFF I-126 WB
UnknownOver: SALUDA RIV&I-26&I-126&RR
4 MI NW OF COLUMBIA, Richland, SC
Built 1985 ADT: 45,800
I-77 SB
UnknownOver: S-40-1534
5 MI SE OF COLUMBIA, Richland, SC
Built 1988 ADT: 1,750
S-40-3020
UnknownOver: I-126
2 MI W OF COLUMBIA, Richland, SC
Built 1988 ADT: 62,300
SC 12 SPUR
UnknownOver: I-77
2 MI E OF FOREST ACRES, Richland, SC
Built 1989 ADT: 91,500
SC 768 WB
UnknownOver: I-77
5.5 MI S. OF COLA, Richland, SC
Built 1989 ADT: 41,350
I-77 NB
UnknownOver: US 76/378 & SC 262
5 MI E OF COLUMBIA, Richland, SC
Built 1991 ADT: 25,000
I-77 SB
UnknownOver: US 76/378 & SC 262
5 MI SE OF COLUMBIA, Richland, SC
Built 1991 ADT: 25,000
I-77 SB
UnknownOver: SC 760 & SOUTH FORK CK
4 MI E OF COLUMBIA, Richland, SC
Built 1991 ADT: 5,600
RAMP OFF I-77 NB
UnknownOver: I-77
6 MI NE OF COLUMBIA, Richland, SC
Built 1993 ADT: 82,700
S-40-2150
UnknownOver: I-77
2 MI SE OF DENTSVILLE, Richland, SC
Built 1993 ADT: 82,700
I-77 SB
UnknownOver: SC 12
2 MI SE OF DENTSVILLE, Richland, SC
Built 1995 ADT: 7,000
Showing 401-450 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 |