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-25-27
FairOver: COOSAWHATCHIE RIVER
7MI SE VARNVILLE, Hampton, SC
Built 2002 Load: 36.3 t ADT: 500
US 501 NB
FairOver: BACK SWAMP
0.75 MI E. ARIELS X-RDS, Marion, SC
Built 1974 Load: 36.3 t ADT: 9,400
US 501 NB
FairOver: LITTLE PEE DEE SWP-2
1.7 MI W. GALIVANTS FER, Marion, SC
Built 1974 Load: 36.3 t ADT: 9,650
U.S. 221
FairOver: J. STROM THURMOND DAM
J.Strom Thurmond Dam, Oconee, SC
Built 1950 Load: 36.3 t ADT: 1,350
SC 4
FairOver: ROCKY SWAMP CREEK
8MI W OF NEESES, Orangeburg, SC
Built 1922 Load: 36.3 t ADT: 1,700
S-41-59
FairOver: TRIB TO CLOUDS CREEK
10.9 MI NE OF SALUDA, Saluda, SC
Built 1985 Load: 36.3 t ADT: 550
C-4-819
FairOver: WEEMS CR
10.3 MI SW OF ANDERSON, Anderson, SC
Built 1967 Load: 36.6 t ADT: 125
SC 703/PALM BLVD
FairOver: BREACH INLET
ISLE OF PALMS, Charleston, SC
Built 2002 Load: 36.6 t ADT: 9,200
S-10-60
FairOver: FILBIN CREEK
N. CHARLESTON, Charleston, SC
Built 1992 Load: 36.6 t ADT: 33,000
SC 102
FairOver: JUNIPER CREEK
0.6 MI S OF PATRICK, Chesterfield, SC
Built 1947 Load: 36.6 t ADT: 2,200
SC 303
FairOver: ASHEPOO RIVER
10.0 MI S OF WALTBR, Colleton, SC
Built 1975 Load: 36.6 t ADT: 1,650
S-16-35
FairOver: BLACK CREEK
5MI N FLORENCE, Darlington, SC
Built 1992 Load: 36.6 t ADT: 3,000
S-16-30
FairOver: MIDDLE SWAMP
8 MI S DARLINGTON, Darlington, SC
Built 1995 Load: 36.6 t ADT: 3,300
US 701
FairOver: BROWN SWAMP
2.0MI NW OF CONWAY, Horry, SC
Built 1920 Load: 36.6 t ADT: 21,900
SC 905
FairOver: KINGSTON LAKE
CITY OF CONWAY, Horry, SC
Built 1962 Load: 36.6 t ADT: 10,400
I-95 NB
FairOver: SAND ISLAND SWAMP
2MI N OF GA/SC LN, Jasper, SC
Built 1976 Load: 36.6 t ADT: 31,800
SC 72
FairOver: ALLISONS BRANCH #2
12.6 MI E OF LAURENS, Laurens, SC
Built 1955 Load: 36.6 t ADT: 2,400
SC 295
FairOver: FAIRFOREST CREEK
3.7 MI W SPTBRG AT S-78, Spartanburg, SC
Built 1930 Load: 36.6 t ADT: 12,400
C-42-948
FairOver: JIMMIES CR
5.5 MI E WOODRUFF, Spartanburg, SC
Built 1992 Load: 36.6 t ADT: 322
S-9-173
FairOver: LITTLE BEAVER CREEK
8 MI NE ST MATHEWS, Calhoun, SC
Built 1935 Load: 36.9 t ADT: 100
SC 102
FairOver: CEDAR CREEK
DARLINGTON CO LN, Chesterfield, SC
Built 1947 Load: 36.9 t ADT: 2,200
SC 64/BELLS HWY
FairOver: DRY BRANCH
3.0 MI S OF LODGE, Colleton, SC
Built 1931 Load: 36.9 t ADT: 2,800
I-95 SB
FairOver: EDISTO RIVER
8.2 MI S ST GEORGE, Dorchester, SC
Built 1974 Load: 36.9 t ADT: 25,400
S-19-53
FairOver: DEEP STEP BRANCH
16.3 MI SW EDGEFIELD, Edgefield, SC
Built 1985 Load: 36.9 t ADT: 650
S-24-58
FairOver: TURNER CREEK
3.3MI N GREENWOOD, Greenwood, SC
Built 1989 Load: 36.9 t ADT: 4,500
SC 3
FairOver: PEN CREEK
1.5 MI W OF JASPER CO LN, Hampton, SC
Built 1948 Load: 36.9 t ADT: 600
SC 9 NB
FairOver: CANE CREEK
4.0 MI W OF LANCASTER, Lancaster, SC
Built 1965 Load: 36.9 t ADT: 6,150
US 76 BUS
FairOver: CSX RAILROAD
MAIN ST LAURENS, Laurens, SC
Built 1937 Load: 36.9 t ADT: 5,700
SC 9 SB
FairOver: NAKED CREEK
4 MI SE OF WALLACE, Marlboro, SC
Built 1975 Load: 36.9 t ADT: 4,350
S-46-23
FairOver: BULLOCKS
6.0 MI W YORK, York, SC
Built 1992 Load: 36.9 t ADT: 325
S-46-658
FairOver: BIG DUTCHMANS CREEK
6.0 MI NW ROCK HILL, York, SC
Built 1992 Load: 36.9 t ADT: 2,400
S-4-718
FairOver: TRIB WATERMELON CREEK
4.8 MI W WILLIAMSTON, Anderson, SC
Built 1960 Load: 37.3 t ADT: 375
S-5-20
FairOver: BRIER BRANCH
3.0MI NE BAMBERG, Bamberg, SC
Built 1996 Load: 37.3 t ADT: 475
S-14-50
FairOver: POCATALIGO RIVER SWAMP
9MI E MANNING, Clarendon, SC
Built 1990 Load: 37.3 t ADT: 450
S-14-50
FairOver: BREAKFAST BRANCH
8.5 MI N OF MANNING, Clarendon, SC
Built 1997 Load: 37.3 t ADT: 450
S-24-39
FairOver: SALUDA RIVER
8.7 MI NE GREENWOOD, Greenwood, SC
Built 1986 Load: 37.3 t ADT: 3,000
S-25-29
FairOver: SALKEHATCHIE RIVER
11MI NE HAMPTON, Hampton, SC
Built 1996 Load: 37.3 t ADT: 150
S-25-141
FairOver: DEEP BRANCH
7MI E VARNVILLE, Hampton, SC
Built 1999 Load: 37.3 t ADT: 125
S-38-1203
FairOver: MILL BRANCH
5MI NW ORANGEBURG, Orangeburg, SC
Built 1992 Load: 37.3 t ADT: 4,500
SC 395
FairOver: SALUDA RIVER
12.56MI NE SALUDA, Saluda, SC
Built 1974 Load: 37.3 t ADT: 900
I-26 EB
FairOver: BOWEN LAKE (S PAC RV)
4.0 MI N OF INMAN, Spartanburg, SC
Built 1960 Load: 37.3 t ADT: 16,700
SC 49
FairOver: KIRKPATRICK BRANCH
13.2 MI S OF YORK, York, SC
Built 1937 Load: 37.3 t ADT: 1,450
C-4-29
FairOver: ROCK CR
8.9 MI NE OF ANDERSON, Anderson, SC
Built 1965 Load: 37.6 t ADT: 3,200
I-526 EB
FairOver: ASHLEY RIVER&BULL CREEK
5.9 MI NW CHARLESTON, Charleston, SC
Built 1980 Load: 37.6 t ADT: 39,650
SC 150
FairOver: GOUCHER CREEK
7.9 MI S GAFFNEY, Cherokee, SC
Built 1973 Load: 37.6 t ADT: 2,600
S-12-25
FairOver: BRUSHY FORK CREEK
4.7 MI SW CHESTER, Chester, SC
Built 1991 Load: 37.6 t ADT: 100
S-14-121
FairOver: TEARCOAT BRANCH
8MI N MANNING, Clarendon, SC
Built 1989 Load: 37.6 t ADT: 75
S-14-129
FairOver: TRIB TO POCOTALIGO_SWAMP
IN MANNING, Clarendon, SC
Built 1991 Load: 37.6 t ADT: 125
I-20 WB
FairOver: JEFFERIES CREEK
8.5MI W OF FLORENCE, Darlington, SC
Built 1973 Load: 37.6 t ADT: 15,450
US 52 EB
FairOver: LYNCHES RIVER SWAMP
4.0MI N OF COWARD, Florence, SC
Built 1976 Load: 37.6 t ADT: 7,350
Showing 2,751-2,800 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 |