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 394
FairOver: SALLEY BRANCH
0.1MI E OF AIKEN CO LN, Orangeburg, SC
Built 1929 Load: 23.7 t ADT: 400
US 176 WB
FairOver: LAWSONS FORK CREEK
4.0 MI E INMAN, Spartanburg, SC
Built 1920 Load: 23.7 t ADT: 12,600
US 29
FairOver: SOUTHERN RAILROAD
1.0 MI E OF SPARTANBURG, Spartanburg, SC
Built 1940 Load: 23.7 t ADT: 27,100
S-43-25
FairOver: BRIAR BRANCH
8 MI S OF SUMTER, Sumter, SC
Built 1949 Load: 23.7 t ADT: 3,200
S-44-12
FairOver: SPEARS CREEK
8.3 MI NW UNION, Union, SC
Built 1947 Load: 23.7 t ADT: 550
S-45-573
FairOver: WHITE OAK SWAMP
7.4 MI SE CADES, Williamsburg, SC
Built 1973 Load: 23.7 t ADT: 125
SC 211
FairOver: BULLOCKS CREEK
3.4 MI E OF HICKORY GROVE, York, SC
Built 1959 Load: 23.7 t ADT: 2,400
S-46-1230
FairOver: TURKEY CREEK
1.8 MI E FORT MILL, York, SC
Built 1975 Load: 23.7 t ADT: 1,300
S-46-59
FairOver: BRYSON CREEK
6.2 MI S SHARON, York, SC
Built 1981 Load: 23.7 t ADT: 350
US 1
FairOver: BRIDGE CREEK
10 MI N OF AIKEN, Aiken, SC
Built 1922 Load: 24.0 t ADT: 4,000
SC 28
FairOver: ROCKY RIVER
11.2MI SE OF ANDERSON, Anderson, SC
Built 1955 Load: 24.0 t ADT: 3,500
SC 7
FairOver: ASHLEY RIVER
IN N CHARLESTON, Charleston, SC
Built 1953 Load: 24.0 t ADT: 46,800
S-12-828
FairOver: UNNAMED STREAM
1.5 MI NW FT LAWN, Chester, SC
Built 1983 Load: 24.0 t ADT: 275
S-13-916
FairOver: UNNAMED STREAM
1 MI SW JEFFERSON, Chesterfield, SC
Built 1981 Load: 24.0 t ADT: 25
S-13-40
FairOver: PHYLISS BRANCH
5 MI N JEFFERSON, Chesterfield, SC
Built 1982 Load: 24.0 t ADT: 600
S-21-68
FairOver: SPARROW SWAMP
6 MI SE TIMMONSVILLE, Florence, SC
Built 1973 Load: 24.0 t ADT: 350
S-21-1350
FairOver: AIRPORT CANAL
1MI SE FLORENCE AIRPORT, Florence, SC
Built 1979 Load: 24.0 t ADT: 1,350
S-21-55
FairOver: LONG BRANCH
5 MI W EFFINGHAM, Florence, SC
Built 1980 Load: 24.0 t ADT: 275
S-22-387
FairOver: BR OF CEDAR CREEK
10.5 MI SE ANDREWS, Georgetown, SC
Built 1960 Load: 24.0 t ADT: 300
US 701
FairOver: SKEEBO BRANCH
5 MI N OF LORIS, Horry, SC
Built 1958 Load: 24.0 t ADT: 5,900
SC 319
FairOver: CHINNERS MILL BR (NO. 3)
4.0MI E OF AYNOR, Horry, SC
Built 1970 Load: 24.0 t ADT: 3,900
S-26-1135
FairOver: STERRITT SWAMP
4 MI E OF CONWAY, Horry, SC
Built 1982 Load: 24.0 t ADT: 600
S-26-1180
FairOver: PAWLEYS SWAMP
7.0 MI SW OF CONWAY, Horry, SC
Built 1983 Load: 24.0 t ADT: 375
SC 170
FairOver: BEACH HILL CANAL
NR GA/SC LN, Jasper, SC
Built 1940 Load: 24.0 t ADT: 4,000
US 521 NB
FairOver: STREAM
7.2 MI N OF LANCASTER, Lancaster, SC
Built 1973 Load: 24.0 t ADT: 12,150
US 21
FairOver: TOMS BRANCH
6MI S OF CAYCE, Lexington, SC
Built 1922 Load: 24.0 t ADT: 5,300
S-34-774
FairOver: LITTLE REEDY CREEK
5 MI SE MARION, Marion, SC
Built 1983 Load: 24.0 t ADT: 125
S-35-165
FairOver: CROOKED CREEK
10 MI NE WALLACE, Marlboro, SC
Built 1971 Load: 24.0 t ADT: 350
SC 34
FairOver: SCOTTS CREEK
1.5 MI S W OF NEWBERRY, Newberry, SC
Built 1940 Load: 24.0 t ADT: 3,500
US 76
FairOver: RAMSEY CREEK
3.0MI W OF WESTMINSTER, Oconee, SC
Built 1941 Load: 24.0 t ADT: 3,000
S-38-65
FairOver: SWAMP CR-LITTLE BULL
5 MI E ORANGEBURG, Orangeburg, SC
Built 1949 Load: 24.0 t ADT: 750
SC 288
FairOver: OOLENOY RIVER
8.0 MI-N-PICKENS, Pickens, SC
Built 1969 Load: 24.0 t ADT: 550
S-43-46
FairOver: ROCKY BLUFF SWAMP #2
5 MII NE OF SUMTER, Sumter, SC
Built 1930 Load: 24.0 t ADT: 1,100
S-43-37
FairOver: RAFTING CREEK
4 MI SW REMBERT, Sumter, SC
Built 1981 Load: 24.0 t ADT: 275
SC 527
FairOver: BOGGY SWAMP
3 MI SE OF KINGSTREE, Williamsburg, SC
Built 1943 Load: 24.0 t ADT: 1,400
S-45-35
FairOver: BENNETT SWAMP
4.0 MI N GREELEYVILLE, Williamsburg, SC
Built 1949 Load: 24.0 t ADT: 750
SC 512
FairOver: PAISLEY SWAMP (NO. 2)
6 MI W OF STUCKEY, Williamsburg, SC
Built 1978 Load: 24.0 t ADT: 700
C-4-156
FairOver: DEEP STEP CR
10.5 MI SE OF ANDERSON, Anderson, SC
Built 1960 Load: 24.3 t ADT: 125
S-8-99
FairOver: BR OF FRENCH QUARTER CR
4.0 MI N WANDO, Berkeley, SC
Built 1975 Load: 24.3 t ADT: 800
S-10-1442
FairOver: SIMMONS CREEK
8 MI W OF CHAS, Charleston, SC
Built 1967 Load: 24.3 t ADT: 5,200
SC 9
FairOver: THOMPSON CREEK
CHESTERFIELD CITY LIMITS, Chesterfield, SC
Built 1932 Load: 24.3 t ADT: 9,200
S-13-54
FairOver: CANNONS CREEK
7 MI SE PAGELAND, Chesterfield, SC
Built 1974 Load: 24.3 t ADT: 300
S-13-52
FairOver: INDIAN CREEK
CITY LIMITS CHESTERFIELD, Chesterfield, SC
Built 1982 Load: 24.3 t ADT: 500
S-16-185
FairOver: SWIFT CREEK
IN DARLINGTON-WELL ST, Darlington, SC
Built 1978 Load: 24.3 t ADT: 1,000
S-20-30
FairOver: LITTLE CEDAR CREEK
7MI S WINNSBORO, Fairfield, SC
Built 1972 Load: 24.3 t ADT: 1,200
S-23-107
FairOver: REEDY RIVER
2.2 MI W MAULDIN, Greenville, SC
Built 1956 Load: 24.3 t ADT: 28,100
US 29
FairOver: REEDY RIVER
CITY OF GREENVILLE, Greenville, SC
Built 1959 Load: 24.3 t ADT: 29,000
US 17 BUS
FairOver: MIDWAY SWASH
IN MYRTLE BEACH, Horry, SC
Built 1936 Load: 24.3 t ADT: 31,300
S-26-1021
FairOver: SWAMP CREEK
5.4MI E AYNOR, Horry, SC
Built 1977 Load: 24.3 t ADT: 300
S-29-20
FairOver: CAMP CREEK
9.5MI SW LANCASTER, Lancaster, SC
Built 1975 Load: 24.3 t ADT: 350
Showing 1,801-1,850 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 |