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
SC 9
PoorOver: WILDCAT CREEK
13.4 MI E OF LANCASTER, Lancaster, SC
Built 1946 Load: 21.1 t ADT: 4,800
US 76
PoorOver: ROCKY BLUFF SWAMP (1)
6 MI NE OF SUMTER, Sumter, SC
Built 1951 Load: 21.1 t ADT: 2,100
SC 124
PoorOver: SALUDA RIVER
5 MI W OF GREENVILLE, Greenville, SC
Built 1940 Load: 21.4 t ADT: 11,000
US 501 BYP
PoorOver: WACCAMAW RIVER
2.0 MI SE OF CONWAY, Horry, SC
Built 1958 Load: 21.4 t ADT: 54,000
S-29-55
PoorOver: TWELVE MILE CREEK
TOWN OF VAN WYCK, Lancaster, SC
Built 1938 Load: 21.7 t ADT: 2,200
C-42-1580
PoorOver: FAIRFOREST CREEK
SOUTH LIBERTY ST SPTBG, Spartanburg, SC
Built 1982 Load: 22.0 t ADT: 750
S-43-798
PoorOver: HOPE SWAMP
9 MI SE OF MAYESVILLE, Sumter, SC
Built 1975 Load: 22.0 t ADT: 75
SC 211
PoorOver: BROAD RIVER
5.1 MI W HICKORY GROVE, York, SC
Built 1956 Load: 22.0 t ADT: 650
US 17
PoorOver: EDISTO RIVER
AT JACKSONBORO, Colleton, SC
Built 1953 Load: 22.4 t ADT: 18,700
SC 560
PoorOver: BUSH RIVER
11.4 MI N W OF NEWBERRY, Laurens, SC
Built 1947 Load: 22.4 t ADT: 650
S-42-77
PoorOver: MIDDLE TYGER RIVER
TOWN OF DUNCAN, Spartanburg, SC
Built 1977 Load: 22.4 t ADT: 4,000
US 52
PoorOver: JEFFERIES CREEK
CITY OF FLORENCE, Florence, SC
Built 1938 Load: 22.7 t ADT: 23,200
S-24-124
PoorOver: WILSON CREEK
1.7MI NE NINETY SIX, Greenwood, SC
Built 1980 Load: 22.7 t ADT: 150
S-29-47
PoorOver: BASKINS CREEK
9.3 MI SE LANCASTER, Lancaster, SC
Built 1928 Load: 23.3 t ADT: 450
S-16-786
PoorOver: BELLYCHE SWAMP
4 MI W DARLINGTON, Darlington, SC
Built 1985 Load: 23.7 t ADT: 125
S-35-36
PoorOver: ANDERSON MILL POND
2 MI S WALLACE, Marlboro, SC
Built 1925 Load: 23.7 t ADT: 175
US 178
PoorOver: BULL SWAMP
4MI E OF NORTH, Orangeburg, SC
Built 1940 Load: 23.7 t ADT: 3,500
SC 421
PoorOver: SOU. RAILROAD
1 MI E OF CLEARWATER, Aiken, SC
Built 1956 Load: 24.0 t ADT: 8,700
SC 150
PoorOver: THICKETTY CREEK
6.5 MI S OF GAFFNEY, Cherokee, SC
Built 1973 Load: 24.0 t ADT: 2,600
SC 150
PoorOver: PACOLET RIVER
TOWN OF PACOLET, Spartanburg, SC
Built 1953 Load: 24.0 t ADT: 2,800
SC 391
PoorOver: CHINQUAPIN CREEK
4 MI E OF MONETTA, Aiken, SC
Built 1924 Load: 24.3 t ADT: 1,000
US 76
PoorOver: RR CSXT
4 MI NW OF IRMO, Richland, SC
Built 1939 Load: 24.3 t ADT: 22,100
SC 39
PoorOver: SALUDA RIV
13.0 MI NW OF SALUDA, Saluda, SC
Built 1992 Load: 24.3 t ADT: 2,100
US 76
PoorOver: CATFISH BRANCH
1 MI W OF MARION, Marion, SC
Built 1941 Load: 24.6 t ADT: 5,600
S-2-79
PoorOver: CEDAR CREEK #2
5.0 MI S AIKEN, Aiken, SC
Built 1974 Load: 24.9 t ADT: 2,700
US 123
PoorOver: GEORGES CREEK
6MI E OF EASLEY, Pickens, SC
Built 1948 Load: 24.9 t ADT: 11,600
S-42-184
PoorOver: JAMISON CREEK
2.5 MI SW LANDRUM, Spartanburg, SC
Built 1955 Load: 24.9 t ADT: 500
S-3-19
PoorOver: COOSAWHATCHIE RIVER
7MI SE ALLENDALE, Allendale, SC
Built 1980 Load: 25.3 t ADT: 475
US 76
PoorOver: NORFOLK SOUTHERN RR
4.2MI SE OF BELTON, Anderson, SC
Built 1929 Load: 25.3 t ADT: 8,100
S-22-264
PoorOver: PLANTERS CREEK
8 MI N GEORGETOWN, Georgetown, SC
Built 1972 Load: 25.3 t ADT: 300
SC 215
PoorOver: LITTLE RIVER
15 MI NW OF COLUMBIA, Richland, SC
Built 1928 Load: 25.3 t ADT: 1,900
S-41-432
PoorOver: RICHLAND BR
4.8MI SE SALUDA, Saluda, SC
Built 1972 Load: 25.3 t ADT: 50
CURTAIL CREEK-Brid
PoorOver: CURTAIL CREEK
NO DATA ENTERED, Abbeville, SC
Built 1982 Load: 25.6 t ADT: 50
S-23-969
PoorOver: NORTH SALUDA RIVER
10.6 MI N TRAVELERS REST, Greenville, SC
Built 1928 Load: 25.6 t ADT: 225
SC 9
PoorOver: LAKE BOWEN
5.0 MI NE INMAN, Spartanburg, SC
Built 1959 Load: 25.6 t ADT: 8,800
US 29
PoorOver: SAVANNAH RIV/CO RD IN GA
13.7MI SW OF ANDERSON, Anderson, SC
Built 1956 Load: 25.9 t ADT: 4,900
SC 41
PoorOver: BIG DAM SWAMP
GEORGETOWN CO LN, Williamsburg, SC
Built 1942 Load: 25.9 t ADT: 4,100
S-5-32
PoorOver: LITTLE SALKEHATCHIE RIVE
7.5MI SW, Bamberg, SC
Built 1971 Load: 26.2 t ADT: 175
US 17 ALT
PoorOver: COMBAHEE RIVER
HAMP/COLL CO LN, Colleton, SC
Built 1940 Load: 26.2 t ADT: 1,300
S-1-159
PoorOver: JOHNS CREEK
5.3 MI NE ABBEVILLE, Abbeville, SC
Built 1950 Load: 27.2 t ADT: 125
I-26
PoorOver: RR CSXT
N CHARLESTON, Charleston, SC
Built 1963 Load: 27.5 t ADT: 87,800
S-29-19
PoorOver: BEAR CREEK
LYNNWOOD DR / LANCASTER, Lancaster, SC
Built 1927 Load: 27.5 t ADT: 1,450
US 15
PoorOver: EDISTO RIVER
8.9 MI SW ST GEORGE, Dorchester, SC
Built 1928 Load: 27.9 t ADT: 2,700
US 29
PoorOver: NS
5.5 MI NE SPARTANBURG, Spartanburg, SC
Built 1939 Load: 27.9 t ADT: 12,400
S-10-40
PoorOver: RR CSXT
8.5 MI W RAVENEL, Charleston, SC
Built 1927 Load: 28.2 t ADT: 750
US 15
PoorOver: BIG SEED TICK CREEK
7 MI NE OF HARTSVILLE, Darlington, SC
Built 1931 Load: 28.2 t ADT: 2,900
SC 183
PoorOver: SALUDA RIVER
6 MI NW OF GREENVILLE, Greenville, SC
Built 1954 Load: 28.2 t ADT: 15,300
US 78
PoorOver: FOUR HOLE SWAMP
3.8 MI NW OF RIDGEVILLE, Dorchester, SC
Built 1948 Load: 28.8 t ADT: 7,900
S-23-116
PoorOver: TRIB TO GREEN CK
13.8 MI N GREER, Greenville, SC
Built 1987 Load: 29.5 t ADT: 275
US 501
PoorOver: CRABTREE SWAMP
2.0 MI W OF CONWAY, Horry, SC
Built 1948 Load: 29.5 t ADT: 36,700
Showing 5,251-5,300 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 |