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-11-499

Fair

Over: PHILLIPS CREEK

7.5MI NW GAFFNEY, Cherokee, SC

Built 1974 Load: 30.5 t ADT: 250

SC 151_BUS

Fair

Over: FORK CREEK

1MI S OF JEFFERSON, Chesterfield, SC

Built 1931 Load: 30.5 t ADT: 2,300

SC 151 SB

Fair

Over: ROCKY CREEK

10.5 MI NW OF MCBEE, Chesterfield, SC

Built 1931 Load: 30.5 t ADT: 2,700

S-13-30

Fair

Over: THOMPSON CREEK

7.6 MI NE PAGELAND, Chesterfield, SC

Built 1975 Load: 30.5 t ADT: 250

SC 261

Fair

Over: BIG BRANCH

4MI W OF MANNING, Clarendon, SC

Built 1936 Load: 30.5 t ADT: 4,600

US 21

Fair

Over: BUCKHEAD CREEK (1)

4 MI N OF RUFFIN, Colleton, SC

Built 1955 Load: 30.5 t ADT: 1,200

I-95 NB

Fair

Over: SOUTHERN RWY

2 MI W OF ST GEORGE, Dorchester, SC

Built 1974 Load: 30.5 t ADT: 25,400

I-95 SB

Fair

Over: SOUTHERN RWY

2 MI W OF ST GEORGE, Dorchester, SC

Built 1974 Load: 30.5 t ADT: 25,400

S-19-52

Fair

Over: CEDAR CREEK

6.2 MI SW EDGEFIELD, Edgefield, SC

Built 1975 Load: 30.5 t ADT: 75

S-19-53

Fair

Over: STEVENS CREEK

13.6 MI SW EDGEFIELD, Edgefield, SC

Built 1988 Load: 30.5 t ADT: 500

US 76

Fair

Over: BR OF POLK SWAMP

7MI E OF FLORENCE, Florence, SC

Built 1921 Load: 30.5 t ADT: 21,600

US 76

Fair

Over: MILAN BRANCH

3.1 MI E OF LAURENS, Laurens, SC

Built 1930 Load: 30.5 t ADT: 11,300

S-30-36

Fair

Over: REEDY RIVER

9.8 MI SW LAURENS, Laurens, SC

Built 1973 Load: 30.5 t ADT: 700

S-31-7

Fair

Over: MCGIRTS SWAMP

10 MI SW OF BISHOPVILLE, Lee, SC

Built 1948 Load: 30.5 t ADT: 325

S-38-39

Fair

Over: TRIB-BETTY BRANCH

10 MI SE ORANGEBURG, Orangeburg, SC

Built 1939 Load: 30.5 t ADT: 650

US 76

Fair

Over: SENECA RIVER

1MI NW OF CLEMSON, Pickens, SC

Built 1958 Load: 30.5 t ADT: 30,800

S-40-33

Fair

Over: EIGHTMILE BRANCH

1 MI E OF FOREST ACRES, Richland, SC

Built 1950 Load: 30.5 t ADT: 12,000

S-42-20

Fair

Over: TRIB TO PACOLET RIVER

6MI NW INMAN, Spartanburg, SC

Built 1923 Load: 30.5 t ADT: 1,150

US 521

Fair

Over: JOHNSONS SWAMP

1 MI NW OF ANDREWS, Williamsburg, SC

Built 1931 Load: 30.5 t ADT: 3,000

S-46-721

Fair

Over: TAYLORS CREEK

3.6 MI S ROCK HILL, York, SC

Built 1979 Load: 30.5 t ADT: 2,900

SC 71

Fair

Over: PENNY CREEK

6.8 MI N W OF ABBEVILLE, Abbeville, SC

Built 1960 Load: 30.8 t ADT: 600

US 21

Fair

Over: BATTERY CREEK

IN PORT ROYAL, Beaufort, SC

Built 1994 Load: 30.8 t ADT: 31,700

I-526 WB

Fair

Over: BERESFORD CREEK

NEAR CHARLESTON, Berkeley, SC

Built 1988 Load: 30.8 t ADT: 31,700

I-526 WB

Fair

Over: MARSH

NEAR CHARLESTON, Berkeley, SC

Built 1989 Load: 30.8 t ADT: 31,700

SC 18

Fair

Over: BROAD RIVER

5.2 MI NE OF GAFFNEY, Cherokee, SC

Built 1995 Load: 30.8 t ADT: 6,600

US 1

Fair

Over: BIG JUNIPER CREEK

1.2 MI S OF PATRICK, Chesterfield, SC

Built 1930 Load: 30.8 t ADT: 1,800

S-13-171

Fair

Over: HARRIS CREEK

8.7 MI SE PATRICK, Chesterfield, SC

Built 1967 Load: 30.8 t ADT: 125

SC 41

Fair

Over: LYNCHES RIVER

AT JOHNSONVILLE, Florence, SC

Built 2007 Load: 30.8 t ADT: 7,800

US 601

Fair

Over: WHIPPY SWAMP

3 MI N OF CROCKETVILLE, Hampton, SC

Built 1958 Load: 30.8 t ADT: 1,100

SC 170/FREEDOM PKY

Fair

Over: MONGON SWAMP

4.6MI S OF HARDEEVILLE, Jasper, SC

Built 1950 Load: 30.8 t ADT: 3,900

US 25

Fair

Over: SALUDA RIVER

14.0 MI SW LAURENS, Laurens, SC

Built 1963 Load: 30.8 t ADT: 7,700

SC 28

Fair

Over: LONG CANE CREEK

6.6MI NW OF MCCORMICK, McCormick, SC

Built 1931 Load: 30.8 t ADT: 2,000

S-38-49

Fair

Over: DRY SWAMP

10 MI S ORANGEBURG, Orangeburg, SC

Built 1938 Load: 30.8 t ADT: 1,550

S-38-104

Fair

Over: SANDY RUN

4MI NE HOLLY HILL, Orangeburg, SC

Built 1940 Load: 30.8 t ADT: 650

S-39-33

Fair

Over: TRIB TO MIDDLE FORK CR

5.5 MI NW PICKENS, Pickens, SC

Built 1998 Load: 30.8 t ADT: 225

SC 555

Fair

Over: RR CSXT

4 MI NE OF COLUMBIA, Richland, SC

Built 1959 Load: 30.8 t ADT: 11,900

US 378

Fair

Over: CLOUDS CREEK

12.2 MI NE OF SALUDA, Saluda, SC

Built 1940 Load: 30.8 t ADT: 2,900

SC 129

Fair

Over: NORTH TYGER RIVER

1.0 MI N OF WELLFORD, Spartanburg, SC

Built 1952 Load: 30.8 t ADT: 8,400

C-42-1912

Fair

Over: ISLAND CREEK

5.2MI S CHESNEE, Spartanburg, SC

Built 1983 Load: 30.8 t ADT: 225

S-42-220

Fair

Over: WARDS CR

2.0 MI E GREER, Spartanburg, SC

Built 1999 Load: 30.8 t ADT: 2,500

S-44-440

Fair

Over: BR LITTLE BROWN CK

5.8 MI NE UNION, Union, SC

Built 1977 Load: 30.8 t ADT: 50

SC 71

Fair

Over: GILL CREEK

12.9 MI N W OF ABBEVILLE, Abbeville, SC

Built 1960 Load: 31.1 t ADT: 600

SC 118

Fair

Over: UNNAMED STREAM

0.1 MI W OF SC 421, Aiken, SC

Built 1960 Load: 31.1 t ADT: 18,200

US 21

Fair

Over: JOHNSON CREEK

13.8 MI SE BEAUFORT, Beaufort, SC

Built 2006 Load: 31.1 t ADT: 3,400

RAMP ON I-526 WB

Fair

Over: COOPER RIVER TRIB

5.5 MI NNE CHARLESTON, Berkeley, SC

Built 1992 Load: 31.1 t ADT: 9,800

RAMP OFF I-26 EB

Fair

Over: FILBIN CREEK

IN N. CHARLESTON, Charleston, SC

Built 1989 Load: 31.1 t ADT: 5,500

US 29

Fair

Over: STREAM

3.2 MI E OF BLACKSBURG, Cherokee, SC

Built 1928 Load: 31.1 t ADT: 4,600

SC 150

Fair

Over: GOFORTH CREEK

5.5 MI N OF GAFFNEY, Cherokee, SC

Built 1958 Load: 31.1 t ADT: 2,500

US 52

Fair

Over: JUNIPER CREEK

3.7 MI S OF CHERAW, Chesterfield, SC

Built 1931 Load: 31.1 t ADT: 4,400

SC 41

Fair

Over: BEAR SWAMP

TOWN OF LAKE VIEW, Dillon, SC

Built 1965 Load: 31.1 t ADT: 2,100

Showing 2,451-2,500 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.