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

SC 319

Good

Over: MILL BRANCH (NO. 5)

6.5MI E OF AYNOR, Horry, SC

Built 1970 Load: 20.4 t ADT: 3,900

SC 72 WBL

Good

Over: CSX RAIL ROAD

2 MI NE CROSS HILL, Laurens, SC

Built 2005 Load: 20.4 t ADT: 3,100

SC 72 EBL

Good

Over: CSX RAIL ROAD

2 MI NE CROSS HILL, Laurens, SC

Built 2003 Load: 20.4 t ADT: 3,100

SC 59

Good

Over: TRIB TO BEAVERDAM CRK

8.0 MI SE WESTMINSTER, Oconee, SC

Built 1941 Load: 20.4 t ADT: 3,800

C-39-437

Good

Over: TRIB OF MACHINE CREEK

6.7 MI NE OF PICKENS, Pickens, SC

Built 2004 Load: 20.4 t ADT: 850

S-10-20/MAIN RD

Good

Over: STONO RIVER

9.5 MI W CHARLESTON, Charleston, SC

Built 2004 Load: 20.7 t ADT: 30,500

S-26-31

Good

Over: WACCAMAW RIVER SWAMP

10 MI S LORIS, Horry, SC

Built 2014 Load: 20.7 t ADT: 5,900

SC 31 CON

Good

Over: INTERCOASTAL WATERWAY

MYRTLE BEACH, Horry, SC

Built 2010 Load: 20.7 t ADT: 30,600

SC 72 WB

Good

Over: NORTH CREEK

8.1 MI SE LAURENS, Laurens, SC

Built 2003 Load: 20.7 t ADT: 3,100

C-42-549

Good

Over: REEDY CREEK

4.8 MI S SPARTANBURG, Spartanburg, SC

Built 1984 Load: 20.7 t ADT: 225

C-42-806

Good

Over: TRIB-JORDAN CK

2.0 MI N WELLFORD, Spartanburg, SC

Built 1984 Load: 20.7 t ADT: 225

S-43-364

Good

Over: LONG BRANCH

8 MI NW OF SUMTER, Sumter, SC

Built 1997 Load: 20.7 t ADT: 3,200

S-20-60

Good

Over: BR OF LITTLE RIVER

8.4 MI SW OF WINNSBORO, Fairfield, SC

Built 1975 Load: 21.1 t ADT: 125

SC 14

Good

Over: BEAVER DAM CREEK

5.0 MI N. GREER, Greenville, SC

Built 1960 Load: 21.1 t ADT: 8,800

US 276

Good

Over: TRIB TO S SALUDA RIVER

12 MI NW TRAVELERS REST, Greenville, SC

Built 1970 Load: 21.1 t ADT: 1,050

SC 319

Good

Over: MILL BRANCH

1.7MI E OF AYNOR, Horry, SC

Built 1970 Load: 21.1 t ADT: 3,900

SC 72 WB

Good

Over: LITTLE RIVER

8.3 MI SE LAURENS, Laurens, SC

Built 2003 Load: 21.1 t ADT: 3,100

US 378

Good

Over: LITTLE HOLLOW CREEK

6 MI N OF GILBERT, Lexington, SC

Built 1941 Load: 21.1 t ADT: 15,400

S-39-32

Good

Over: TWELVE MILE CREEK

2.5 MI W PICKENS, Pickens, SC

Built 2005 Load: 21.1 t ADT: 3,800

S-46-564

Good

Over: CROWDERS CREEK

4.8 MI NE OF CLOVER, York, SC

Built 2020 Load: 21.1 t ADT: 900

S-4-107

Good

Over: CHEROKEE CREEK

8.2 MI SE ANDERSON, Anderson, SC

Built 1993 Load: 21.4 t ADT: 350

L-1526

Good

Over: TIDAL MARSH

4 MI SE OF BLUFFTON, Beaufort, SC

Built 2016 Load: 21.4 t ADT: 18,400

US 17 ALT

Good

Over: FISHBURNE CREEK

11.2MI SW SUMR'VL, Dorchester, SC

Built 1930 Load: 21.4 t ADT: 10,600

SC 215

Good

Over: SANDY FORK

7.9MI S OF CHESTER CO LN, Fairfield, SC

Built 1927 Load: 21.4 t ADT: 1,050

US 276 EB

Good

Over: LAUREL CREEK

5 MI SE OF GREENVILLE, Greenville, SC

Built 1958 Load: 21.4 t ADT: 16,400

C-23-621

Good

Over: TRIB TO SALUDA RIV

15 MI SW OF FOUNTAIN INN, Greenville, SC

Built 2000 Load: 21.4 t ADT: 125

S-1315

Good

Over: ICWW

MYRTLE BEACH, Horry, SC

Built 2002 Load: 21.4 t ADT: 52,300

S-28-12

Good

Over: SWIFT CREEK

8 MI SE OF CAMDEN, Kershaw, SC

Built 2001 Load: 21.4 t ADT: 1,550

S-28-20

Good

Over: LITTLE LYNCHES RIVER

6MI SE KERSHAW, Kershaw, SC

Built 2015 Load: 21.4 t ADT: 1,300

SC 72 EB

Good

Over: NORTH CREEK

8.1 MI SE OF LAURENS, Laurens, SC

Built 2004 Load: 21.4 t ADT: 3,100

S-32-1459

Good

Over: CONGAREE CREEK

2 MI N OF EDMUND, Lexington, SC

Built 2002 Load: 21.4 t ADT: 2,000

C-39-1548

Good

Over: TRIB EIGHTEENMILE CREEK

2.8 MI SW OF EASLEY, Pickens, SC

Built 2008 Load: 21.4 t ADT: 200

S-12-778

Good

Over: UNNAMED STREAM

4.0 MI NE CHESTER, Chester, SC

Built 1982 Load: 21.7 t ADT: 600

S-20-115

Good

Over: CEDAR CREEK

9MI SE WINNSBORO, Fairfield, SC

Built 1990 Load: 21.7 t ADT: 1,200

S-23-50

Good

Over: HUFF CREEK

5.7MI W SIMPSONVILLE, Greenville, SC

Built 1948 Load: 21.7 t ADT: 2,800

S-23-69

Good

Over: TRIB TO HORSE CREEK

13.3MI SW FOUNTAIN INN, Greenville, SC

Built 1950 Load: 21.7 t ADT: 225

SC 11

Good

Over: NORTH SALUDA RIVER

8.3 MI N. TRAVELERS REST, Greenville, SC

Built 2006 Load: 21.7 t ADT: 4,400

C-23-414

Good

Over: TRIB TO ENOREE R

1.6 MI N TRAVELERS REST, Greenville, SC

Built 1983 Load: 21.7 t ADT: 125

S-29-64

Good

Over: UNNAMED

11.5 MI N VAN WYCK, Lancaster, SC

Built 1995 Load: 21.7 t ADT: 5,200

S-32-103

Good

Over: RED BANK CREEK

2 MI W OF SOUTH CONGAREE, Lexington, SC

Built 1996 Load: 21.7 t ADT: 4,800

US 15

Good

Over: GREAT PEE DEE RIVER

IN SOCIETY HILL, Marlboro, SC

Built 2005 Load: 21.7 t ADT: 4,200

US 178

Good

Over: MID FORK 12 MI.CREEK

5MI N OF PICKENS, Pickens, SC

Built 1957 Load: 21.7 t ADT: 2,000

US 176

Good

Over: GREEN CREEK

2.0 MI E OF INMAN, Spartanburg, SC

Built 1954 Load: 21.7 t ADT: 19,200

I-26

Good

Over: FAIRFOREST CREEK

4.2 MI NW SPARTANBURG, Spartanburg, SC

Built 1960 Load: 21.7 t ADT: 64,900

I-526 WBL

Good

Over: SCLRR

IN N CHARLESTON, Charleston, SC

Built 1986 Load: 22.0 t ADT: 39,850

SC 9

Good

Over: LYNCHES RIVER

LANCASTER CO LN, Chesterfield, SC

Built 2008 Load: 22.0 t ADT: 3,600

S-163/SUMMERS DR

Good

Over: TRIB TO FISHBURNE CREEK

8.5 MI SW SUMMERVILLE, Dorchester, SC

Built 2016 Load: 22.0 t ADT: 750

US 301

Good

Over: BARTON BR

5.9MI NW OF COWARD, Florence, SC

Built 1928 Load: 22.0 t ADT: 3,800

SC 183

Good

Over: NS & CSXT RR

0.5 MI NW OF GREENVILLE, Greenville, SC

Built 2003 Load: 22.0 t ADT: 28,400

S-26-31

Good

Over: WACCAMAW SWAMP

11 MI S LORIS, Horry, SC

Built 2015 Load: 22.0 t ADT: 5,900

Showing 3,301-3,350 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.