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-13-152
FairOver: FORK CREEK
3.8 MI NW JEFFERSON, Chesterfield, SC
Built 1975 Load: 27.2 t ADT: 75
S-72/JONES SWP RD
FairOver: JONES SWAMP CREEK
5.2 MI NW WALT'B, Colleton, SC
Built 1962 Load: 27.2 t ADT: 100
S-15-86/PELLUM RD
FairOver: UNNAMED STREAM
6.2 MI SW WALTERBORO, Colleton, SC
Built 1963 Load: 27.2 t ADT: 150
S-15-436
FairOver: UNNAMED STREAM
9.5 MI S WALTERBORO, Colleton, SC
Built 1966 Load: 27.2 t ADT: 600
S-15-535
FairOver: FOLLY CREEK
11.5 MI S WALT'B, Colleton, SC
Built 1971 Load: 27.2 t ADT: 200
S-15-44/STOKES RD
FairOver: DOCTORS CREEK
4.5 MI NW WALT'B, Colleton, SC
Built 1981 Load: 27.2 t ADT: 850
S-418/SYCAMORE DR
FairOver: TRIB TO SAWMILL BRANCH
TOWN OF SUMMERVILLE, Dorchester, SC
Built 1964 Load: 27.2 t ADT: 650
S-50/SEVEN MILE RD
FairOver: UNNAMED STREAM
8.6 MI NE ST GEORGE, Dorchester, SC
Built 1967 Load: 27.2 t ADT: 900
L-204
FairOver: OPOSSUM BRANCH
12 MI NW OF WINNSBORO, Fairfield, SC
Built 1968 Load: 27.2 t ADT: 125
US 278
FairOver: HOUSE FORK
1 MI E OF VARNVILLE, Hampton, SC
Built 1931 Load: 27.2 t ADT: 6,500
US 278
FairOver: RR CSXT
IN RIDGELAND, Jasper, SC
Built 1940 Load: 27.2 t ADT: 6,800
S-27-175
FairOver: UNNAMED STREAM
2.8MI N RIDGELAND, Jasper, SC
Built 1963 Load: 27.2 t ADT: 400
US 521 SB
FairOver: CANE CREEK
3.7 MI N OF LANCASTER, Lancaster, SC
Built 1974 Load: 27.2 t ADT: 12,150
I-26
FairOver: BR TO MILLERS FORK CK
10.3 MI SE OF LAURENS, Laurens, SC
Built 1959 Load: 27.2 t ADT: 44,300
I-26
FairOver: SIX MILE CREEK
2MI SW OF W COLA, Lexington, SC
Built 1960 Load: 27.2 t ADT: 89,800
S-32-124
FairOver: LICK CREEK
2 MI NE OF LEESVILLE, Lexington, SC
Built 1977 Load: 27.2 t ADT: 150
US 378
FairOver: S.C.L. RAILROAD
1 MI S OF GRESHAM, Marion, SC
Built 1951 Load: 27.2 t ADT: 8,200
SC 28
FairOver: BOLD CREEK
10.2MI NW OF MCCORMICK, McCormick, SC
Built 1930 Load: 27.2 t ADT: 2,000
SC 67
FairOver: CUFFEYTOWN CREEK
10.1MI NE OF MCCORMICK, McCormick, SC
Built 1938 Load: 27.2 t ADT: 850
SC 332
FairOver: WILLOW SWAMP
0.2MI W OF NORWAY, Orangeburg, SC
Built 1938 Load: 27.2 t ADT: 1,400
US 178
FairOver: TRIB TO ROCKY BOTTOM CRK
13MI N OF PICKENS, Pickens, SC
Built 1932 Load: 27.2 t ADT: 500
SC 11
FairOver: TRIB TO OOLENOY RIVER
9.5MI N OF PICKENS, Pickens, SC
Built 1979 Load: 27.2 t ADT: 2,800
US 378
FairOver: RICHLAND CREEK
4.7 MI NE OF SALUDA, Saluda, SC
Built 1952 Load: 27.2 t ADT: 2,900
C-4-1187
FairOver: WILSON CR
11.1 MI SW ANDERSON, Anderson, SC
Built 1965 Load: 27.5 t ADT: 125
US 17 NB
FairOver: RR SCRF ABANDONED
SHELDON, Beaufort, SC
Built 1935 Load: 27.5 t ADT: 6,750
US 21 NB
FairOver: BEAUFORT RIVER
SOUTHEAST OF BEAUFORT, Beaufort, SC
Built 2012 Load: 27.5 t ADT: 12,000
S-8-447
FairOver: UNNAMED STREAM
1 MI NE BONNEAU, Berkeley, SC
Built 1965 Load: 27.5 t ADT: 300
S-8-718
FairOver: TRIB TO LAKE MARION
15 MI SW ST. STEPHEN, Berkeley, SC
Built 1970 Load: 27.5 t ADT: 250
S-8-598/UNITED DR
FairOver: UNNAMED STREAM
4.5 MI SE HUGER, Berkeley, SC
Built 1975 Load: 27.5 t ADT: 375
S-390/TOOGOODOO RD
FairOver: TOOGOODOO CREEK
3.5 MI SW RAVENEL, Charleston, SC
Built 1977 Load: 27.5 t ADT: 2,200
SC 30 EB
FairOver: MARSH
IN CHARLESTON, Charleston, SC
Built 1992 Load: 27.5 t ADT: 31,600
SC 109
FairOver: THOMPSON CREEK
2.1 MI N OF MT CROGHAN, Chesterfield, SC
Built 1940 Load: 27.5 t ADT: 1,550
S-13-53
FairOver: BRANCH OF DEAD PINE CREE
5.9 MI NW PAGELAND, Chesterfield, SC
Built 1992 Load: 27.5 t ADT: 275
SC 261
FairOver: BROAD CREEK
6MI E OF MANNING, Clarendon, SC
Built 1930 Load: 27.5 t ADT: 1,950
US 17 ALT
FairOver: GREAT SWAMP
IN WALTERBORO, Colleton, SC
Built 1938 Load: 27.5 t ADT: 10,900
S-15-41/RITTER RD
FairOver: JOHNO CREEK
7.5 MI SE WALTERBORO, Colleton, SC
Built 1953 Load: 27.5 t ADT: 800
S-15-329/POLK RD
FairOver: RICE PATCH CREEK
16.3 MI W WALT'B, Colleton, SC
Built 1962 Load: 27.5 t ADT: 125
S-15-256
FairOver: UNNAMED STREAM
1.8 MI E WALT'B, Colleton, SC
Built 1965 Load: 27.5 t ADT: 1,000
S-412/MARE BAY RD
FairOver: TRIB TO WILLOW SWP
16.5 MI NW WALT'B, Colleton, SC
Built 1965 Load: 27.5 t ADT: 125
S-66/COMBAHEE RD
FairOver: COCKOLDS CREEK
15.2 MI SW WALTERBORO, Colleton, SC
Built 1966 Load: 27.5 t ADT: 100
S-15-295
FairOver: UNNAMED STREAM
2.6 MI SE WALT'B, Colleton, SC
Built 1966 Load: 27.5 t ADT: 900
S-15-346
FairOver: BLACK CREEK
6.1 MI W WALT'B, Colleton, SC
Built 1966 Load: 27.5 t ADT: 125
S-15-453
FairOver: UNNAMED STREAM
11.5 MI N WALT'B, Colleton, SC
Built 1968 Load: 27.5 t ADT: 175
S-696/HOMESTEAD DR
FairOver: TRIB WILLOW SWAMP
15 MI WNW WALTERBORO, Colleton, SC
Built 1978 Load: 27.5 t ADT: 125
US 15
FairOver: MCINTOSH MILL STREAM
5MI NE OF HARTSVILLE, Darlington, SC
Built 1931 Load: 27.5 t ADT: 2,900
S-378/PAUL RD
FairOver: TRIB INDIAN FIELD SWAMP
6.0 MI NE ST GEORGE, Dorchester, SC
Built 1965 Load: 27.5 t ADT: 150
S-378/ST PAUL RD
FairOver: BIG BRANCH
4.8 MI NE ST GEORGE, Dorchester, SC
Built 1966 Load: 27.5 t ADT: 325
S-18-162
FairOver: TRIB TO ASHLEY RIVER
09.5 MI SW SUMR'VL, Dorchester, SC
Built 1974 Load: 27.5 t ADT: 275
S-24-148
FairOver: ABANDONED CSX RAILROAD
CITY OF GREENWOOD, Greenwood, SC
Built 1958 Load: 27.5 t ADT: 2,000
SC 248
FairOver: HENLEY CREEK
8.6 MI SE OF GREENWOOD, Greenwood, SC
Built 1959 Load: 27.5 t ADT: 800
Showing 2,201-2,250 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 |