State profile · Near median Poor share

South Carolina bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in South Carolina, based on the FHWA National Bridge Inventory.

5,396
Public bridges
34.8%
Good condition
6.1%
Poor condition

Data updated May 2026

Total Bridges

5,396

Public highway bridges in South Carolina

Good Condition

34.8%

1,876 bridges rated 7-9

-15.2pp vs 50% benchmark

Poor Condition

6.1%

329 bridges whose lowest applicable component is rated 0-4

-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 - Poor-condition share 20.3%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

South Carolina vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below South Carolina on the same metric.

ID

Idaho

5.51% top marginal rate
Structure
Progressive
Burden @ $100K
$1,742

MS

Mississippi

5.92% top marginal rate
Structure
Progressive
Burden @ $100K
$16,823
Selected

SC

South Carolina

6.10% top marginal rate
Structure
Progressive
Burden @ $100K
$5,396

WI

Wisconsin

6.13% top marginal rate
Structure
Progressive
Burden @ $100K
$14,851

NC

North Carolina

6.16% top marginal rate
Structure
Progressive
Burden @ $100K
$18,901

Bridges Needing Most Attention in South Carolina

Six lowest-condition bridges in South Carolina, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in South Carolina

S-41-43

Good

Over: BIG CREEK

4.8MI NE SALUDA, Saluda, SC

Built 2012 Load: 38.9 t ADT: 375

SC 274

Good

Over: MILL CREEK

9.4 MI N OF NEWPORT, York, SC

Built 2022 Load: 38.9 t ADT: 21,500

SC 184

Good

Over: LITTLE RIVER

9.5 MI NW OF ABBEVILLE, Abbeville, SC

Built 1984 Load: 39.2 t ADT: 850

S-4-118

Good

Over: CUPBOARD CREEK

5.2 MI NE ANDERSON, Anderson, SC

Built 1991 Load: 39.2 t ADT: 550

I-526 EB

Good

Over: MARSH

NEAR CHARLESTON, Berkeley, SC

Built 1989 Load: 39.2 t ADT: 31,700

S-11-611

Good

Over: BR-LTTL THICKETTY CK

8.4 MI W GAFFNEY, Cherokee, SC

Built 1983 Load: 39.2 t ADT: 125

S-48/BEREA RD

Good

Over: BUCKHEAD CREEK

19.5 MI NW WALT'B, Colleton, SC

Built 2012 Load: 39.2 t ADT: 100

US 401

Good

Over: LAKE SWAMP

3 MI NE OF LAMAR, Darlington, SC

Built 2019 Load: 39.2 t ADT: 3,100

S-21-111

Good

Over: DARNEX BRANCH

3MI S JOHNSONVILLE, Florence, SC

Built 1995 Load: 39.2 t ADT: 1,200

S-23-658

Good

Over: MAPLE CREEK

1 MI S GREER, Greenville, SC

Built 1996 Load: 39.2 t ADT: 1,700

S-93/COCHRAN RD

Good

Over: LITTLE TURKEY CREEK

2.7 MI SW OF WARE SHOALS, Greenwood, SC

Built 2021 Load: 39.2 t ADT: 300

SC 63

Good

Over: WHIPPY SWAMP

6.3 MI NE OF VARNVILLE, Hampton, SC

Built 2002 Load: 39.2 t ADT: 2,900

SC 63

Good

Over: SALKEHATCHIE RIVER SWAMP

6.5 MI NE OF VARNVILLE, Hampton, SC

Built 2002 Load: 39.2 t ADT: 2,900

SC 22 EB

Good

Over: JONES BIG SWAMP #4

4.5MI NBRIARCLIFF ACRES, Horry, SC

Built 2000 Load: 39.2 t ADT: 11,950

S-26-497

Good

Over: PALMETTO SWAMP

IN LORIS, Horry, SC

Built 2023 Load: 39.2 t ADT: 250

L-26-990

Good

Over: LOUSING SWAMP

6 MI N OF AYNOR, Horry, SC

Built 2023 Load: 39.2 t ADT: 250

L-26-657

Good

Over: TRIB TO MITCHELL SWAMP

3.8 MI W OF GREEN SEA, Horry, SC

Built 2023 Load: 39.2 t ADT: 250

SC 462

Good

Over: BEAVERDAM BRANCH

10.5MI NW OF RIDGELAND, Jasper, SC

Built 2003 Load: 39.2 t ADT: 700

US 15

Good

Over: SCAPE ORE CREEK

6 MI SW OF BISHOPVILLE, Lee, SC

Built 2009 Load: 39.2 t ADT: 7,500

SC 6

Good

Over: FOURTEEN MILE CREEK

2MI N OF LEX, Lexington, SC

Built 2006 Load: 39.2 t ADT: 17,700

SC 602

Good

Over: SIX MILE CREEK

2 MI W OF CAYCE, Lexington, SC

Built 1948 Load: 39.2 t ADT: 12,900

US 76

Good

Over: LUMBER RIVER

IN NICHOLS, Marion, SC

Built 1947 Load: 39.2 t ADT: 3,300

S-34-39

Good

Over: LITTLE REEDY CREEK

10MI E MARION, Marion, SC

Built 2003 Load: 39.2 t ADT: 950

S-36-376

Good

Over: MECHANICS CREEK

10.0 MI W NEWBERRY, Newberry, SC

Built 2004 Load: 39.2 t ADT: 50

SC 56

Good

Over: MILLS CREEK

14.1 MI S W OF NEWBERRY, Newberry, SC

Built 1997 Load: 39.2 t ADT: 1,750

US 78

Good

Over: EDISTO RIVER SWAMP

3MI SW OF BRANCHVILLE, Orangeburg, SC

Built 2011 Load: 39.2 t ADT: 1,950

SC 332

Good

Over: ROCKY SWAMP CREEK

8MI E OF SPRINGFIELD, Orangeburg, SC

Built 2002 Load: 39.2 t ADT: 750

SC 769

Good

Over: CEDAR CREEK

1 MI W OF CONGAREE, Richland, SC

Built 2016 Load: 39.2 t ADT: 2,200

US 378 WB

Good

Over: BLACK RIVER

10 MI E OF SUMTER, Sumter, SC

Built 2006 Load: 39.2 t ADT: 5,750

S-43-101

Good

Over: TURKEY CREEK

TOWN OF SUMTER, Sumter, SC

Built 2017 Load: 39.2 t ADT: 2,400

S-43-692

Good

Over: MUSH SWAMP

4 MI NW OF SUMTER, Sumter, SC

Built 2008 Load: 39.2 t ADT: 5,600

S-45-292

Good

Over: GRAHAMS MILL BRANCH

1.0 MI NE CADES, Williamsburg, SC

Built 1997 Load: 39.2 t ADT: 150

US 321

Good

Over: ALLISON CREEK

6 MI N OF YORK, York, SC

Built 2021 Load: 39.2 t ADT: 6,400

US 29

Good

Over: TRIB TO GENEROSTEE CR

3.0 MI SW OF ANDERSON, Anderson, SC

Built 1933 Load: 39.5 t ADT: 2,700

S-4-118

Good

Over: PEA CREEK

5.4MI E ANDERSON, Anderson, SC

Built 1991 Load: 39.5 t ADT: 550

S-4-76

Good

Over: TRIB. TO ROCKY RIVER

3.0MI NE ANDERSON, Anderson, SC

Built 1992 Load: 39.5 t ADT: 3,500

S-4-159

Good

Over: DEVIL FORK CREEK

6.7MI SW ANDERSON, Anderson, SC

Built 1997 Load: 39.5 t ADT: 300

SC 217

Good

Over: TRIB-L. SALKEHATCHIE

BAMBERG/COLLETON CO LINE, Bamberg, SC

Built 2004 Load: 39.5 t ADT: 475

SC 5

Good

Over: SOUTHERN RAILROAD

1.9 MI SE OF BLACKSBURG, Cherokee, SC

Built 2007 Load: 39.5 t ADT: 7,300

S-12-32

Good

Over: FISHING CR

5MI N RICHBURG, Chester, SC

Built 1998 Load: 39.5 t ADT: 300

US 17

Good

Over: TUPELO SWAMP

1.5 MI S OF JACKSONBORO, Colleton, SC

Built 2013 Load: 39.5 t ADT: 13,200

S-20-61

Good

Over: JACKSON CREEK

3.7MI NW WINNSBORO, Fairfield, SC

Built 1988 Load: 39.5 t ADT: 800

S-53

Good

Over: DUTCHMANS CREEK

9 MI SE OF WINNSBORO, Fairfield, SC

Built 2006 Load: 39.5 t ADT: 125

S-21-107

Good

Over: I-95

4 MI SW OF FLORENCE, Florence, SC

Built 2023 Load: 39.5 t ADT: 2,600

L-6414

Good

Over: RICHLAND CRK

1.5 MI NE GREENVILLE, Greenville, SC

Built 2009 Load: 39.5 t ADT: 1,850

S-23-451

Good

Over: TRIB TO PAYNE BRANCH

4 MI SW OF FOUNTAIN INN, Greenville, SC

Built 1994 Load: 39.5 t ADT: 900

I-185 NB

Good

Over: TRIB GROVE CREEK

SOUTH OF GREENVILLE, Greenville, SC

Built 2000 Load: 39.5 t ADT: 3,750

C-26-227

Good

Over: WHITE POINT SWASH

48TH AVE S WINDY-HILL BEA, Horry, SC

Built 2000 Load: 39.5 t ADT: 6,200

S-28-303

Good

Over: SAWNEYS CREEK #1

10 MI N OF ELGIN, Kershaw, SC

Built 2007 Load: 39.5 t ADT: 400

S-32-415

Good

Over: 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.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.