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-39-33

Fair

Over: MIDDLE FORK CREEK

6.0 MI NW PICKENS, Pickens, SC

Built 1954 Load: 18.1 t ADT: 225

S-39-80

Fair

Over: WOLF CREEK

3.0 MI E PICKENS, Pickens, SC

Built 1959 Load: 18.1 t ADT: 700

S-39-94

Fair

Over: GEORGES CREEK

3.0 MI N EASLEY, Pickens, SC

Built 1968 Load: 18.1 t ADT: 5,400

S-40-1919

Fair

Over: TRIB SALUDA RIVER

4 MI NE OF COLUMBIA, Richland, SC

Built 1960 Load: 18.1 t ADT: 275

S-41-65

Fair

Over: BIG CREEK

5.6MI NW SALUDA, Saluda, SC

Built 1955 Load: 18.1 t ADT: 200

SC 418

Fair

Over: TRIB TO ENOREE

3.0MI W OF WOODRUFF, Spartanburg, SC

Built 1948 Load: 18.1 t ADT: 1,200

SC 261

Fair

Over: MILL BRANCH

9 MI W KINGSTREE, Williamsburg, SC

Built 1930 Load: 18.1 t ADT: 1,600

S-45-300

Fair

Over: POPLAR HILL BRANCH

2.0 MI S HEMINGWAY, Williamsburg, SC

Built 1963 Load: 18.1 t ADT: 125

S-45-453

Fair

Over: THORNTREE SWAMP

4.0 MI N LANE, Williamsburg, SC

Built 1967 Load: 18.1 t ADT: 125

S-45-58

Fair

Over: BR OF MUDDY CK

TOWN HEMINGWAY N R/R AVE, Williamsburg, SC

Built 1968 Load: 18.1 t ADT: 1,000

S-1-40

Fair

Over: CALHOUN CREEK

8.5MI SW ABBEVILLE, Abbeville, SC

Built 1954 Load: 18.5 t ADT: 125

S-2-108

Fair

Over: ETHERIDGE MILL POND

2.0 MI E MONETTA, Aiken, SC

Built 1965 Load: 18.5 t ADT: 225

SC 3

Fair

Over: LITTLE BRIAR CREEK

6MI W OF ALLENDALE, Allendale, SC

Built 1957 Load: 18.5 t ADT: 900

S-3-162

Fair

Over: MILLER CREEK

4.5MI NE ALLENDALE, Allendale, SC

Built 1957 Load: 18.5 t ADT: 450

S-3-41

Fair

Over: CANAL

9MI S ALLENDALE, Allendale, SC

Built 1959 Load: 18.5 t ADT: 75

S-3-88

Fair

Over: FIDDLE POND CREEK

7MI NW ALLENDALE, Allendale, SC

Built 1961 Load: 18.5 t ADT: 125

S-3-39

Fair

Over: JACKSON BRANCH

3MI N ALLENDALE, Allendale, SC

Built 1971 Load: 18.5 t ADT: 100

S-4-244

Fair

Over: ROCKY RIVER

8.8MI SE ANDERSON, Anderson, SC

Built 1955 Load: 18.5 t ADT: 250

S-4-291

Fair

Over: BIG BEAVERDAM CREEK

5.2MI NW WILLIAMSTON, Anderson, SC

Built 1956 Load: 18.5 t ADT: 125

S-4-435

Fair

Over: TRIB TO ROCKY RIVER

6.2MI SE ANDERSON, Anderson, SC

Built 1959 Load: 18.5 t ADT: 550

S-4-300

Fair

Over: BIG GARVIN CREEK

3.3 MI NE PENDLETON, Anderson, SC

Built 1968 Load: 18.5 t ADT: 2,000

S-4-751

Fair

Over: BR OF BROADMOUTH CK

3.4MI N HONEA PATH, Anderson, SC

Built 1970 Load: 18.5 t ADT: 1,000

SC 412

Fair

Over: WEEMS CREEK

9.3 MI SW OF ANDERSON, Anderson, SC

Built 1979 Load: 18.5 t ADT: 300

S-6-13

Fair

Over: TINKER CREEK

3MI NW WILLISTON, Barnwell, SC

Built 1956 Load: 18.5 t ADT: 600

S-6-80

Fair

Over: HAYES MILL CREEK

5 MI SW BARNWELL, Barnwell, SC

Built 1957 Load: 18.5 t ADT: 250

S-6-80

Fair

Over: GANT MILL CREEK

6 MI SW BARNWELL, Barnwell, SC

Built 1957 Load: 18.5 t ADT: 250

S-6-169

Fair

Over: TURKEY CREEK

4.5 MI N BARNWELL, Barnwell, SC

Built 1957 Load: 18.5 t ADT: 225

S-6-400

Fair

Over: HERCULES CREEK

5 MI SE BARNWELL, Barnwell, SC

Built 1959 Load: 18.5 t ADT: 50

S-6-192

Fair

Over: WHALEY BRANCH

6 MI N BLACKVILLE, Barnwell, SC

Built 1963 Load: 18.5 t ADT: 75

S-6-188

Fair

Over: TINKER CREEK

5 MI N WILLISTON, Barnwell, SC

Built 1964 Load: 18.5 t ADT: 125

S-6-855

Fair

Over: TRIB TO LOWER THREE RUNS

9.5 MI SW BARNWELL, Barnwell, SC

Built 1970 Load: 18.5 t ADT: 25

S-6-65

Fair

Over: SPUR BRANCH

3.5 MI NE WILLISTON, Barnwell, SC

Built 1972 Load: 18.5 t ADT: 325

S-6-632

Fair

Over: GALL BRANCH

8.5 MI E BARNWELL, Barnwell, SC

Built 1973 Load: 18.5 t ADT: 50

S-6-38

Fair

Over: WINDY HILL CREEK

6.5 MI N BARNWELL, Barnwell, SC

Built 1975 Load: 18.5 t ADT: 225

S-6-39

Fair

Over: BENTLEYS BRANCH

8 MI S BARNWELL, Barnwell, SC

Built 1978 Load: 18.5 t ADT: 100

S-8-787

Fair

Over: CATON CREEK

8 MI SW MONCKS CORNER, Berkeley, SC

Built 1974 Load: 18.5 t ADT: 350

S-11-42

Fair

Over: THICKETTY CREEK

3.6MI SW GAFFNEY, Cherokee, SC

Built 1976 Load: 18.5 t ADT: 550

US 1

Fair

Over: BLACK CREEK

5.5 MI NE OF MCBEE, Chesterfield, SC

Built 1930 Load: 18.5 t ADT: 1,800

S-14-34

Fair

Over: HORSE BRANCH

3MI SE TURBEVILLE, Clarendon, SC

Built 1958 Load: 18.5 t ADT: 275

S-14-50

Fair

Over: MT HOPE SWAMP

8.5MI NE MANNING, Clarendon, SC

Built 1959 Load: 18.5 t ADT: 275

S-14-26

Fair

Over: JACKS CREEK

2MI W SUMMERTON, Clarendon, SC

Built 1963 Load: 18.5 t ADT: 700

S-14-50

Fair

Over: TARKIN BRANCH

11MI SE MANNING, Clarendon, SC

Built 1966 Load: 18.5 t ADT: 125

S-14-60

Fair

Over: TRIB OF SPRING GROVE CRE

8MI NW SUMMERTON, Clarendon, SC

Built 1969 Load: 18.5 t ADT: 150

S-14-463

Fair

Over: HUNGRY HALL BRANCH

7MI NW SUMMERTON, Clarendon, SC

Built 1971 Load: 18.5 t ADT: 125

S-15-35/PEIRCE RD

Fair

Over: DEEP CREEK

6 MI NE COTTAGEVILLE, Colleton, SC

Built 1954 Load: 18.5 t ADT: 850

S-15-51/BEACH RD

Fair

Over: TRIB TO DOCTORS CREEK

3 MI WNW WALTERBORO, Colleton, SC

Built 1954 Load: 18.5 t ADT: 425

S-16-19

Fair

Over: SPARROW SWAMP

4.5MI NW LAMAR, Darlington, SC

Built 1956 Load: 18.5 t ADT: 425

S-17-61

Fair

Over: HAYES SWAMP

2MI N DILLON, Dillon, SC

Built 1956 Load: 18.5 t ADT: 550

S-17-211

Fair

Over: MAPLE SWAMP BR

IN DILLON, Dillon, SC

Built 1966 Load: 18.5 t ADT: 125

S-18-26

Fair

Over: POLK SWAMP

2MI SW ST GEORGE, Dorchester, SC

Built 1953 Load: 18.5 t ADT: 800

Showing 1,251-1,300 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.