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-34-321

Fair

Over: CRUTCHLOW BRANCH

2MI N NICHOLS, Marion, SC

Built 1962 Load: 16.5 t ADT: 100

S-34-482

Fair

Over: COLLINS CREEK

5MI S MARION, Marion, SC

Built 1967 Load: 16.5 t ADT: 100

S-34-38

Fair

Over: CATFISH CANAL

IN MARION, Marion, SC

Built 1969 Load: 16.5 t ADT: 2,700

S-34-600

Fair

Over: MAIDENDOWN SWAMP

3.5 MI N MULLINS, Marion, SC

Built 1974 Load: 16.5 t ADT: 25

S-34-543

Fair

Over: BROWNS CANAL

IN MULLINS OFF OF US-76, Marion, SC

Built 1975 Load: 16.5 t ADT: 350

S-35-356

Fair

Over: COTTINGHAM CREEK

2 MI E BENNETTSVILLE, Marlboro, SC

Built 1961 Load: 16.5 t ADT: 175

S-35-29

Fair

Over: COTTINGHAM CREEK

4 MI S BENNETTSVILLE, Marlboro, SC

Built 1963 Load: 16.5 t ADT: 275

S-35-54

Fair

Over: WOLF CREEK

1.5 MI E WALLACE, Marlboro, SC

Built 1963 Load: 16.5 t ADT: 550

S-35-18

Fair

Over: THREE CREEKS

3 MI S BLENHEIM, Marlboro, SC

Built 1964 Load: 16.5 t ADT: 425

S-35-34

Fair

Over: LITTLE PEE DEE OVERFLOW

0.5 MI E MCCOLL, Marlboro, SC

Built 1969 Load: 16.5 t ADT: 650

S-35-564

Fair

Over: MACHINE BRANCH

5 MI S BENNETTSVILLE, Marlboro, SC

Built 1970 Load: 16.5 t ADT: 125

S-40-205

Fair

Over: SMITH BRANCH

2 MI N OF COLUMBIA, Richland, SC

Built 1960 Load: 16.5 t ADT: 2,400

S-40-66

Fair

Over: CABIN BRANCH

1.5 MI E OF HOPKINS, Richland, SC

Built 1973 Load: 16.5 t ADT: 1,150

S-40-244

Fair

Over: HOLLINSHEAD CREEK

4 MI NE OF BALLENTINE, Richland, SC

Built 1985 Load: 16.5 t ADT: 3,000

C-42-2245

Fair

Over: CSX RR

4.6 MI S CHESNEE, Spartanburg, SC

Built 1987 Load: 16.5 t ADT: 225

S-44-267

Fair

Over: MILL CR BRANCH

1.9 MI N JONESVILLE, Union, SC

Built 1966 Load: 16.5 t ADT: 150

S-44-324

Fair

Over: SANDY RUN CREEK

1.6 MI NE JONESVILLE, Union, SC

Built 1967 Load: 16.5 t ADT: 175

S-44-328

Fair

Over: FANNING CREEK BR

7.5 MI E JONESVILLE, Union, SC

Built 1968 Load: 16.5 t ADT: 125

S-45-40

Fair

Over: MILL CREEK

4.0 MI NE HEMINGWAY, Williamsburg, SC

Built 1958 Load: 16.5 t ADT: 750

S-45-249

Fair

Over: BR KINGSTREE SWP CANAL

4.0 MI N KINGSTREE, Williamsburg, SC

Built 1958 Load: 16.5 t ADT: 175

S-45-221

Fair

Over: BR OF OX SWAMP

7.0 MI E LANE, Williamsburg, SC

Built 1960 Load: 16.5 t ADT: 375

S-45-122

Fair

Over: JOHNSONS SWAMP

4.0 MI W ANDREWS, Williamsburg, SC

Built 1962 Load: 16.5 t ADT: 225

S-45-160

Fair

Over: BR-POPLAR HILL BR

3.0 MI S HEMINGWAY, Williamsburg, SC

Built 1963 Load: 16.5 t ADT: 125

S-45-44

Fair

Over: CLAPP SWAMP TRIB

4.0 MI NW KINGSTREE, Williamsburg, SC

Built 1965 Load: 16.5 t ADT: 700

S-45-118

Fair

Over: BR OF BOGGY SWAMP

6.5 MI W HEMINGWAY, Williamsburg, SC

Built 1965 Load: 16.5 t ADT: 750

S-45-381

Fair

Over: BR OF SOCCEE SWAMP

4.0 MI NE HEMINGWAY, Williamsburg, SC

Built 1966 Load: 16.5 t ADT: 175

S-45-382

Fair

Over: BR KINGSTREE SWP CANAL

3.0 MI N KINGSTREE, Williamsburg, SC

Built 1966 Load: 16.5 t ADT: 175

S-45-80

Fair

Over: HALLIMANS SWAMP

2.0 M NE GREELYVILLE, Williamsburg, SC

Built 1973 Load: 16.5 t ADT: 225

S-45-552

Fair

Over: SMITH SWAMP

3.0 MI NE CADES, Williamsburg, SC

Built 2005 Load: 16.5 t ADT: 175

S-46-538

Fair

Over: BR WILDCAT CR

CITY OF ROCK HILL, York, SC

Built 1958 Load: 16.5 t ADT: 900

S-46-815

Fair

Over: LITTLE ALLISON CK.

5.7 MI E YORK, York, SC

Built 1964 Load: 16.5 t ADT: 275

S-46-766

Fair

Over: BR - CONRAD CREEK

1.2 MI S MCCONNELS, York, SC

Built 1968 Load: 16.5 t ADT: 175

S-46-889

Fair

Over: BULLOCKS CREEK BRANCH

5.5 MI SW CLOVER, York, SC

Built 1968 Load: 16.5 t ADT: 225

S-46-996

Fair

Over: SILVER CREEK

4.3 MI W YORK, York, SC

Built 1969 Load: 16.5 t ADT: 125

S-46-997

Fair

Over: NEELYS CREEK

7.8 MI SE ROCK HILL, York, SC

Built 1969 Load: 16.5 t ADT: 450

S-46-72

Fair

Over: BR OF LOVE BR

1.4 MI S HICKORY GROVE, York, SC

Built 1974 Load: 16.5 t ADT: 225

S-46-72

Fair

Over: TRIB TO LOVE BR

2.1 MI SW HICKORY GROVE, York, SC

Built 1975 Load: 16.5 t ADT: 225

C-4-7356

Fair

Over: WILSON CR

10.2 MI SW OF ANDERSON, Anderson, SC

Built 1960 Load: 16.8 t ADT: 50

L-2133

Fair

Over: TONEY CREEK

11.9 MI NE OF ANDERSON, Anderson, SC

Built 1963 Load: 16.8 t ADT: 125

S-4-567

Fair

Over: SIX & TWENTY CREEK

7.6MI NW WILLIAMSTON, Anderson, SC

Built 1970 Load: 16.8 t ADT: 2,400

S-9-16

Fair

Over: BURKE CREEK

4 MI W ST MATHEWS, Calhoun, SC

Built 1965 Load: 16.8 t ADT: 225

S-10-317

Fair

Over: DRAYTON SWAMP

13.5 MI SW SUMR'VL, Charleston, SC

Built 1955 Load: 16.8 t ADT: 125

S-12-555

Fair

Over: BEAVER DAM CREEK

4.6MI SE RICHBURG, Chester, SC

Built 1967 Load: 16.8 t ADT: 125

S-12-42

Fair

Over: SANDY RIVER

7.2MI SW CHESTER, Chester, SC

Built 1970 Load: 16.8 t ADT: 50

S-13-513

Fair

Over: BIG BLACK CREEK

1.5 MI S PAGELAND, Chesterfield, SC

Built 1964 Load: 16.8 t ADT: 550

S-13-105

Fair

Over: DEAD PINE CREEK

5MI W PAGELAND, Chesterfield, SC

Built 1967 Load: 16.8 t ADT: 250

SC 261

Fair

Over: SAMMY SWAMP

4MI W OF MANNING, Clarendon, SC

Built 1937 Load: 16.8 t ADT: 3,900

S-16-363

Fair

Over: NEWMANS SWAMP

2MI NW LAMAR, Darlington, SC

Built 1959 Load: 16.8 t ADT: 175

S-16-326

Fair

Over: INDIAN CREEK

4MI SW DARLINGTON, Darlington, SC

Built 1960 Load: 16.8 t ADT: 450

S-16-27

Fair

Over: MILL BRANCH

2.0 MI W LAMAR, Darlington, SC

Built 1961 Load: 16.8 t ADT: 500

Showing 951-1,000 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.