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-44-12
FairOver: MCCLURE CREEK
9.4 MI NW UNION, Union, SC
Built 1958 Load: 16.2 t ADT: 275
S-44-276
FairOver: PETERS CREEK
4 MI E JONESVILLE, Union, SC
Built 1966 Load: 16.2 t ADT: 275
S-45-122
FairOver: FLAT CREEK
4.0 MI W ANDREWS, Williamsburg, SC
Built 1955 Load: 16.2 t ADT: 225
S-45-285
FairOver: TISDALE BRANCH
7.0 MI SE KINGSTREE, Williamsburg, SC
Built 1961 Load: 16.2 t ADT: 600
S-45-383
FairOver: BIRCH CREEK
7.0 MI N ANDREWS, Williamsburg, SC
Built 1966 Load: 16.2 t ADT: 200
S-45-585
FairOver: KINGSTREE SWAMP
8.0 MI NW CADES, Williamsburg, SC
Built 1975 Load: 16.2 t ADT: 325
S-45-382
FairOver: BR KINGSTREE SWP CANAL
4.4 MI NW KINGSTREE, Williamsburg, SC
Built 1976 Load: 16.2 t ADT: 175
S-45-26
FairOver: MT. HOPE SWAMP
2.7 MI W GREELEYVILLE, Williamsburg, SC
Built 1961 Load: 16.2 t ADT: 275
S-46-759
FairOver: BR TO BIG ALLISON CK
3.5 MI S CLOVER, York, SC
Built 1964 Load: 16.2 t ADT: 850
S-46-815
FairOver: BR TO LITTLE ALLISON
6.5 MI NE YORK, York, SC
Built 1964 Load: 16.2 t ADT: 600
SC 9
FairOver: SANDY RIVER
2.4MI W OF CHESTER, Chester, SC
Built 1937 Load: 16.5 t ADT: 3,700
S-13-45
FairOver: ROCKY CREEK
4.3 MI SE JEFFERSON, Chesterfield, SC
Built 1955 Load: 16.5 t ADT: 550
S-13-585
FairOver: WILSON BRANCH
C L CHERAW, Chesterfield, SC
Built 1960 Load: 16.5 t ADT: 125
S-13-80
FairOver: HARRIS CREEK
7.8 MI SE PATRICK, Chesterfield, SC
Built 1961 Load: 16.5 t ADT: 375
S-13-104
FairOver: BUFFALO CREEK
9 MI NW PAGELAND, Chesterfield, SC
Built 1961 Load: 16.5 t ADT: 700
S-13-162
FairOver: LONG BRANCH
1.5 MI SE JEFFERSON, Chesterfield, SC
Built 1961 Load: 16.5 t ADT: 150
S-13-247
FairOver: JUNIPER CREEK
1.3 MI S PATRICK, Chesterfield, SC
Built 1964 Load: 16.5 t ADT: 50
S-13-171
FairOver: LITTLE CEDAR CREEK
6 MI SE PATRICK, Chesterfield, SC
Built 1967 Load: 16.5 t ADT: 125
S-13-296
FairOver: BLACKWELL MILL STREAM
5 MI S MCBEE, Chesterfield, SC
Built 1967 Load: 16.5 t ADT: 700
S-13-579
FairOver: UNNAMED STREAM
3.7 MI NW PAGELAND, Chesterfield, SC
Built 1967 Load: 16.5 t ADT: 150
S-13-33
FairOver: BLACK CREEK
8.5 MI SW CHESTERFIELD, Chesterfield, SC
Built 1968 Load: 16.5 t ADT: 175
S-13-55
FairOver: STONEHOUSE CREEK
5.5 MI NE PAGELAND, Chesterfield, SC
Built 1968 Load: 16.5 t ADT: 75
S-13-41
FairOver: LITTLE FORK CREEK
4.8 MI N JEFFERSON, Chesterfield, SC
Built 1969 Load: 16.5 t ADT: 225
S-13-294
FairOver: MC/KINZIE POND BR
5 MI SW MCBEE, Chesterfield, SC
Built 1974 Load: 16.5 t ADT: 150
S-16-197
FairOver: LEVENWORTH BRANCH
7MI NE HARTSVILLE, Darlington, SC
Built 1957 Load: 16.5 t ADT: 100
S-16-332
FairOver: INDIAN CREEK
CITY OF DARLINGTON, Darlington, SC
Built 1970 Load: 16.5 t ADT: 700
S-17-56
FairOver: BEAR SWAMP
3MI E LAKE VIEW, Dillon, SC
Built 1964 Load: 16.5 t ADT: 325
S-17-41
FairOver: CATFISH CANAL
4.5 MI W OF LATTA, Dillon, SC
Built 1972 Load: 16.5 t ADT: 125
S-21-556
FairOver: BR OF LYNCHES LAKE
2MI NE LAKE CITY, Florence, SC
Built 1960 Load: 16.5 t ADT: 600
S-21-724
FairOver: MIDDLE BRANCH
9 MI E FLORENCE, Florence, SC
Built 1963 Load: 16.5 t ADT: 475
S-21-724
FairOver: LONG BRANCH
4 MI E FLORENCE, Florence, SC
Built 1963 Load: 16.5 t ADT: 800
S-21-732
FairOver: DEEP CREEK
3MI E SALEM, Florence, SC
Built 1964 Load: 16.5 t ADT: 325
S-21-720
FairOver: LANE BRANCH
1 MI E COWARD, Florence, SC
Built 1965 Load: 16.5 t ADT: 175
S-21-1032
FairOver: BUSHY BRANCH
TOWN OF OLANTA, Florence, SC
Built 1971 Load: 16.5 t ADT: 125
S-21-56
FairOver: TWO MILE BRANCH
1 MI W SCRANTON, Florence, SC
Built 1975 Load: 16.5 t ADT: 1,000
S-21-738
FairOver: BR-LYNCHES LAKE
2MI S JOHNSONVILLE, Florence, SC
Built 1975 Load: 16.5 t ADT: 450
S-21-731
FairOver: BR OF LITTLE SW
1 MI N OF SALEM, Florence, SC
Built 1998 Load: 16.5 t ADT: 175
S-22-307
FairOver: PITTMAN BRANCH
5MI NE CHOPPEE, Georgetown, SC
Built 1960 Load: 16.5 t ADT: 250
S-22-566
FairOver: LANES CREEK
12 MI NW GEORGETOWN, Georgetown, SC
Built 1971 Load: 16.5 t ADT: 1,300
S-22-725
FairOver: BR-PEE DEE RV
11.0 MI N GEORGETOWN, Georgetown, SC
Built 1977 Load: 16.5 t ADT: 150
SC 10
FairOver: CSX R R
4.5 MI SW OF GREENWOOD, Greenwood, SC
Built 1932 Load: 16.5 t ADT: 2,100
S-26-19
FairOver: PLAY CARD SWAMP
7 MI W LORIS, Horry, SC
Built 1958 Load: 16.5 t ADT: 1,650
S-26-637
FairOver: IRON SPRING
2MI N GREEN SEA, Horry, SC
Built 1962 Load: 16.5 t ADT: 25
S-26-266
FairOver: HONEY COMB BRANCH
9MI NE AYNOR, Horry, SC
Built 1963 Load: 16.5 t ADT: 175
S-26-610
FairOver: CHESTNUT BRANCH
3MI SW LONGS, Horry, SC
Built 1966 Load: 16.5 t ADT: 50
S-26-642
FairOver: PALMETTO SWAMP
6MI S AYNOR, Horry, SC
Built 1967 Load: 16.5 t ADT: 700
S-26-666
FairOver: BOGGY SWAMP
4MI NE CONWAY, Horry, SC
Built 1968 Load: 16.5 t ADT: 225
C-26-696
FairOver: BR OF MAPLE SWP
4.3 MI NE OF CONWAY, Horry, SC
Built 1997 Load: 16.5 t ADT: 250
S-26-805
FairOver: TRIB TO BUG SWAMP
6 MI SW OF LORIS, Horry, SC
Built 1970 Load: 16.5 t ADT: 250
S-34-319
FairOver: BR LTTL PEE DEE RV
2MI SW NICHOLS, Marion, SC
Built 1962 Load: 16.5 t ADT: 275
Showing 901-950 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 |