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 247

Good

Over: SALUDA RIVER

4.6 MI NE BELTON, Anderson, SC

Built 2001 Load: 23.7 t ADT: 3,300

L-8365/QUEENSGTWAY

Good

Over: TIDAL CREEK

IN MT. PLEASANT, Charleston, SC

Built 2000 Load: 23.7 t ADT: 600

SC 97

Good

Over: ROCKY CREEK

2.5MI NW OF GREAT FALLS, Chester, SC

Built 2016 Load: 23.7 t ADT: 1,900

S-13-20

Good

Over: BEAVER CREEK

8.3 MI SE CHESTERFIELD, Chesterfield, SC

Built 1978 Load: 23.7 t ADT: 850

SC 151 NBL

Good

Over: FORK CREEK

1.5 MI SE JEFFERSON, Chesterfield, SC

Built 1994 Load: 23.7 t ADT: 3,000

US 378

Good

Over: LITTLE PEE DEE RIVER

MARION CO LN, Horry, SC

Built 2012 Load: 23.7 t ADT: 8,800

SC 22 WB

Good

Over: ICWW OVERFLOW

1.5MI N BRIARCLIFF ACRES, Horry, SC

Built 2000 Load: 23.7 t ADT: 14,750

S-42-213

Good

Over: SOUTH PACOLET RIVER

6.0 MI NE INMAN, Spartanburg, SC

Built 1997 Load: 23.7 t ADT: 2,400

S-44-12

Good

Over: SPEARS CREEK BRANCH

8.6 MI NW UNION, Union, SC

Built 1947 Load: 23.7 t ADT: 550

S-44-24

Good

Over: BRUSHY CREEK

6.1 MI SE UNION, Union, SC

Built 1986 Load: 23.7 t ADT: 225

SC 24

Good

Over: BYRUM CREEK

1.3 MI W OF ANDERSON, Anderson, SC

Built 1948 Load: 24.0 t ADT: 8,400

L-5355/RVRTWNECCDR

Good

Over: TIDAL CREEK

MT PLEASANT, Charleston, SC

Built 1999 Load: 24.0 t ADT: 600

US 29

Good

Over: BIG THICKETTY CREEK

4.7 MI SW OF GAFFNEY, Cherokee, SC

Built 2005 Load: 24.0 t ADT: 7,900

S-13-114

Good

Over: HARRIS CREEK

7 MI SE PATRICK, Chesterfield, SC

Built 1986 Load: 24.0 t ADT: 200

US 17 ALT

Good

Over: CHESSEY CREEK

1.5 MI W OF COTTAGEVILLE, Colleton, SC

Built 1937 Load: 24.0 t ADT: 7,700

S-23-347

Good

Over: BRUSHY CREEK

5.3 MI SW GREER, Greenville, SC

Built 2006 Load: 24.0 t ADT: 10,900

S-42-1550

Good

Over: FAIR FOREST CREEK

0.8 MI W. SPARTANBURG, Spartanburg, SC

Built 1947 Load: 24.0 t ADT: 1,400

S-4-22

Good

Over: BIG GENEROSTEE CRK

1.2MI W ANDERSON, Anderson, SC

Built 1940 Load: 24.3 t ADT: 5,600

SC 72

Good

Over: SANDY RIVER

11.8MI S OF CHESTER, Chester, SC

Built 2018 Load: 24.3 t ADT: 2,900

S-12-476

Good

Over: BR OF TURKEY CK

11.2 MI W LOWRY, Chester, SC

Built 1978 Load: 24.3 t ADT: 125

S-13-271

Good

Over: BR-ROCK CREEK

4.2 MI SE JEFFERSON, Chesterfield, SC

Built 1985 Load: 24.3 t ADT: 75

US 15 BUS

Good

Over: KILBORN MILL POND

1MI NE OF HARTSVILLE, Darlington, SC

Built 1931 Load: 24.3 t ADT: 7,700

SC 129

Good

Over: FREYS CREEK

3.0 MI N OF WELLFORD, Spartanburg, SC

Built 1962 Load: 24.3 t ADT: 8,400

S-44-439

Good

Over: BR BUFFALO CR.

CITY OF UNION, Union, SC

Built 1975 Load: 24.3 t ADT: 50

S-46-22

Good

Over: STEEL CREEK

5.6 MI N FORT MILL, York, SC

Built 2018 Load: 24.3 t ADT: 13,000

SC 64

Good

Over: GEORGES CREEK

4MI W OF OLAR, Bamberg, SC

Built 1955 Load: 24.6 t ADT: 1,000

US 178/E MAIN ST

Good

Over: WALNUT CREEK (NO. 1)

5 MI S OF HARLEYVILLE, Dorchester, SC

Built 1928 Load: 24.6 t ADT: 2,500

S-23-87

Good

Over: REEDY RIVER

3.9MI NW GREENVILLE, Greenville, SC

Built 1950 Load: 24.6 t ADT: 11,900

C-23-7648

Good

Over: PETERS CREEK

2 MI E OF MAULDIN, Greenville, SC

Built 2007 Load: 24.6 t ADT: 495

US 378

Good

Over: LITTLE PEE DEE SWAMP

10 MI W OF CONWAY, Horry, SC

Built 2012 Load: 24.6 t ADT: 8,800

SC 31 SBL

Good

Over: WETLAND

23.4 MI NE OF SOCASTEE, Horry, SC

Built 2002 Load: 24.6 t ADT: 16,650

SC 31 NBL

Good

Over: WETLAND

23.4 MI NE OF SOCASTEE, Horry, SC

Built 2002 Load: 24.6 t ADT: 16,650

SC 183

Good

Over: CANE CREEK

1.0 MI N OF WALHALLA, Oconee, SC

Built 1936 Load: 24.6 t ADT: 6,100

S-42-128

Good

Over: NORTH PACOLET RIVER

3.0 MI E LANDRUM, Spartanburg, SC

Built 2011 Load: 24.6 t ADT: 5,600

C-42-590

Good

Over: REEDY CREEK

4.6 MI S SPARTANBURG, Spartanburg, SC

Built 1983 Load: 24.6 t ADT: 3,200

S-44-22

Good

Over: ENOREE RIVER

13.5 MI SW UNION, Union, SC

Built 2017 Load: 24.6 t ADT: 475

SC 461 NB

Good

Over: RR CSXT

8.2 MI NW CHARLESTON, Charleston, SC

Built 1994 Load: 24.9 t ADT: 22,650

S-12-195

Good

Over: FISHING CREEK

6.8MI N RICHBURG, Chester, SC

Built 1975 Load: 24.9 t ADT: 200

S-21-46

Good

Over: LYNCHES RIVER

4.5 MI E COWARDS, Florence, SC

Built 1977 Load: 24.9 t ADT: 1,400

S-23-50

Good

Over: TRIB TO HUFF CREEK

6.3MI SW SIMPSONVILLE, Greenville, SC

Built 1948 Load: 24.9 t ADT: 2,800

SC 146

Good

Over: LAUREL CREEK

3.5 MI E OF GREENVILLE, Greenville, SC

Built 1939 Load: 24.9 t ADT: 15,300

C-23-728

Good

Over: MOUNTAIN CREEK

12.2 MI SW FOUNTAIN INN, Greenville, SC

Built 1983 Load: 24.9 t ADT: 275

C-24-177

Good

Over: REEDY BRANCH

13.7 MI SW OF G'WD, Greenwood, SC

Built 1988 Load: 24.9 t ADT: 200

C-26-440

Good

Over: HALFWAY SWAMP

7.0 MI S OF CONWAY, Horry, SC

Built 1920 Load: 24.9 t ADT: 250

S-26-19

Good

Over: LAKE SWAMP

9 MI NE AYNOR, Horry, SC

Built 1982 Load: 24.9 t ADT: 1,650

SC 31 SBL

Good

Over: WETLANDS

20.8 MI NE SOCASTEE, Horry, SC

Built 2002 Load: 24.9 t ADT: 21,400

SC 31 NBL

Good

Over: WETLANDS

20.8 MI NE SOCASTEE, Horry, SC

Built 2002 Load: 24.9 t ADT: 21,400

S-28-37

Good

Over: SAWNEYS CREEK

8 MI NW OF CAMDEN, Kershaw, SC

Built 2005 Load: 24.9 t ADT: 1,150

US 176

Good

Over: ROCKY CREEK

14.3 MI SE OF NEWBERRY, Newberry, SC

Built 1949 Load: 24.9 t ADT: 2,800

US 178

Good

Over: ROCKY BOTTOM CREEK

16MI NW OF PICKENS, Pickens, SC

Built 1932 Load: 24.9 t ADT: 800

Showing 3,401-3,450 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.