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-41-43
GoodOver: BIG CREEK
4.8MI NE SALUDA, Saluda, SC
Built 2012 Load: 38.9 t ADT: 375
SC 274
GoodOver: MILL CREEK
9.4 MI N OF NEWPORT, York, SC
Built 2022 Load: 38.9 t ADT: 21,500
SC 184
GoodOver: LITTLE RIVER
9.5 MI NW OF ABBEVILLE, Abbeville, SC
Built 1984 Load: 39.2 t ADT: 850
S-4-118
GoodOver: CUPBOARD CREEK
5.2 MI NE ANDERSON, Anderson, SC
Built 1991 Load: 39.2 t ADT: 550
I-526 EB
GoodOver: MARSH
NEAR CHARLESTON, Berkeley, SC
Built 1989 Load: 39.2 t ADT: 31,700
S-11-611
GoodOver: BR-LTTL THICKETTY CK
8.4 MI W GAFFNEY, Cherokee, SC
Built 1983 Load: 39.2 t ADT: 125
S-48/BEREA RD
GoodOver: BUCKHEAD CREEK
19.5 MI NW WALT'B, Colleton, SC
Built 2012 Load: 39.2 t ADT: 100
US 401
GoodOver: LAKE SWAMP
3 MI NE OF LAMAR, Darlington, SC
Built 2019 Load: 39.2 t ADT: 3,100
S-21-111
GoodOver: DARNEX BRANCH
3MI S JOHNSONVILLE, Florence, SC
Built 1995 Load: 39.2 t ADT: 1,200
S-23-658
GoodOver: MAPLE CREEK
1 MI S GREER, Greenville, SC
Built 1996 Load: 39.2 t ADT: 1,700
S-93/COCHRAN RD
GoodOver: LITTLE TURKEY CREEK
2.7 MI SW OF WARE SHOALS, Greenwood, SC
Built 2021 Load: 39.2 t ADT: 300
SC 63
GoodOver: WHIPPY SWAMP
6.3 MI NE OF VARNVILLE, Hampton, SC
Built 2002 Load: 39.2 t ADT: 2,900
SC 63
GoodOver: SALKEHATCHIE RIVER SWAMP
6.5 MI NE OF VARNVILLE, Hampton, SC
Built 2002 Load: 39.2 t ADT: 2,900
SC 22 EB
GoodOver: JONES BIG SWAMP #4
4.5MI NBRIARCLIFF ACRES, Horry, SC
Built 2000 Load: 39.2 t ADT: 11,950
S-26-497
GoodOver: PALMETTO SWAMP
IN LORIS, Horry, SC
Built 2023 Load: 39.2 t ADT: 250
L-26-990
GoodOver: LOUSING SWAMP
6 MI N OF AYNOR, Horry, SC
Built 2023 Load: 39.2 t ADT: 250
L-26-657
GoodOver: TRIB TO MITCHELL SWAMP
3.8 MI W OF GREEN SEA, Horry, SC
Built 2023 Load: 39.2 t ADT: 250
SC 462
GoodOver: BEAVERDAM BRANCH
10.5MI NW OF RIDGELAND, Jasper, SC
Built 2003 Load: 39.2 t ADT: 700
US 15
GoodOver: SCAPE ORE CREEK
6 MI SW OF BISHOPVILLE, Lee, SC
Built 2009 Load: 39.2 t ADT: 7,500
SC 6
GoodOver: FOURTEEN MILE CREEK
2MI N OF LEX, Lexington, SC
Built 2006 Load: 39.2 t ADT: 17,700
SC 602
GoodOver: SIX MILE CREEK
2 MI W OF CAYCE, Lexington, SC
Built 1948 Load: 39.2 t ADT: 12,900
US 76
GoodOver: LUMBER RIVER
IN NICHOLS, Marion, SC
Built 1947 Load: 39.2 t ADT: 3,300
S-34-39
GoodOver: LITTLE REEDY CREEK
10MI E MARION, Marion, SC
Built 2003 Load: 39.2 t ADT: 950
S-36-376
GoodOver: MECHANICS CREEK
10.0 MI W NEWBERRY, Newberry, SC
Built 2004 Load: 39.2 t ADT: 50
SC 56
GoodOver: MILLS CREEK
14.1 MI S W OF NEWBERRY, Newberry, SC
Built 1997 Load: 39.2 t ADT: 1,750
US 78
GoodOver: EDISTO RIVER SWAMP
3MI SW OF BRANCHVILLE, Orangeburg, SC
Built 2011 Load: 39.2 t ADT: 1,950
SC 332
GoodOver: ROCKY SWAMP CREEK
8MI E OF SPRINGFIELD, Orangeburg, SC
Built 2002 Load: 39.2 t ADT: 750
SC 769
GoodOver: CEDAR CREEK
1 MI W OF CONGAREE, Richland, SC
Built 2016 Load: 39.2 t ADT: 2,200
US 378 WB
GoodOver: BLACK RIVER
10 MI E OF SUMTER, Sumter, SC
Built 2006 Load: 39.2 t ADT: 5,750
S-43-101
GoodOver: TURKEY CREEK
TOWN OF SUMTER, Sumter, SC
Built 2017 Load: 39.2 t ADT: 2,400
S-43-692
GoodOver: MUSH SWAMP
4 MI NW OF SUMTER, Sumter, SC
Built 2008 Load: 39.2 t ADT: 5,600
S-45-292
GoodOver: GRAHAMS MILL BRANCH
1.0 MI NE CADES, Williamsburg, SC
Built 1997 Load: 39.2 t ADT: 150
US 321
GoodOver: ALLISON CREEK
6 MI N OF YORK, York, SC
Built 2021 Load: 39.2 t ADT: 6,400
US 29
GoodOver: TRIB TO GENEROSTEE CR
3.0 MI SW OF ANDERSON, Anderson, SC
Built 1933 Load: 39.5 t ADT: 2,700
S-4-118
GoodOver: PEA CREEK
5.4MI E ANDERSON, Anderson, SC
Built 1991 Load: 39.5 t ADT: 550
S-4-76
GoodOver: TRIB. TO ROCKY RIVER
3.0MI NE ANDERSON, Anderson, SC
Built 1992 Load: 39.5 t ADT: 3,500
S-4-159
GoodOver: DEVIL FORK CREEK
6.7MI SW ANDERSON, Anderson, SC
Built 1997 Load: 39.5 t ADT: 300
SC 217
GoodOver: TRIB-L. SALKEHATCHIE
BAMBERG/COLLETON CO LINE, Bamberg, SC
Built 2004 Load: 39.5 t ADT: 475
SC 5
GoodOver: SOUTHERN RAILROAD
1.9 MI SE OF BLACKSBURG, Cherokee, SC
Built 2007 Load: 39.5 t ADT: 7,300
S-12-32
GoodOver: FISHING CR
5MI N RICHBURG, Chester, SC
Built 1998 Load: 39.5 t ADT: 300
US 17
GoodOver: TUPELO SWAMP
1.5 MI S OF JACKSONBORO, Colleton, SC
Built 2013 Load: 39.5 t ADT: 13,200
S-20-61
GoodOver: JACKSON CREEK
3.7MI NW WINNSBORO, Fairfield, SC
Built 1988 Load: 39.5 t ADT: 800
S-53
GoodOver: DUTCHMANS CREEK
9 MI SE OF WINNSBORO, Fairfield, SC
Built 2006 Load: 39.5 t ADT: 125
S-21-107
GoodOver: I-95
4 MI SW OF FLORENCE, Florence, SC
Built 2023 Load: 39.5 t ADT: 2,600
L-6414
GoodOver: RICHLAND CRK
1.5 MI NE GREENVILLE, Greenville, SC
Built 2009 Load: 39.5 t ADT: 1,850
S-23-451
GoodOver: TRIB TO PAYNE BRANCH
4 MI SW OF FOUNTAIN INN, Greenville, SC
Built 1994 Load: 39.5 t ADT: 900
I-185 NB
GoodOver: TRIB GROVE CREEK
SOUTH OF GREENVILLE, Greenville, SC
Built 2000 Load: 39.5 t ADT: 3,750
C-26-227
GoodOver: WHITE POINT SWASH
48TH AVE S WINDY-HILL BEA, Horry, SC
Built 2000 Load: 39.5 t ADT: 6,200
S-28-303
GoodOver: SAWNEYS CREEK #1
10 MI N OF ELGIN, Kershaw, SC
Built 2007 Load: 39.5 t ADT: 400
S-32-415
GoodOver: SECOND CREEK
2 MI S OF SOUTH CONGAREE, Lexington, SC
Built 2003 Load: 39.5 t ADT: 1,600
Showing 4,301-4,350 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 |