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

I-95 SB

Fair

Over: GR. PEE DEE SWP & F-RD

11MI NE OF FLORENCE, Florence, SC

Built 1966 Load: 39.9 t ADT: 23,350

US 15

Fair

Over: FOUR HOLE SWAMP

4 MI SW OF HOLLY HILL, Orangeburg, SC

Built 2006 Load: 39.9 t ADT: 800

S-42-43

Fair

Over: TRIB-LTL BUCK CK

2.0 MI SW CHESNEE, Spartanburg, SC

Built 1948 Load: 39.9 t ADT: 1,300

SC 527

Fair

Over: PUDDING SWAMP

6.5 MI NW OF KINGSTREE, Williamsburg, SC

Built 1985 Load: 39.9 t ADT: 2,700

C-2-1745

Fair

Over: DEAN CREEK

4 MI SW WAGENER, Aiken, SC

Built 1987 Load: 40.2 t ADT: 125

SC 187

Fair

Over: WEEMS CREEK

11.4 MI SW OF ANDERSON, Anderson, SC

Built 1979 Load: 40.2 t ADT: 550

US 78

Fair

Over: POPPERDAM CREEK

1.0 MI SE LADSON, Charleston, SC

Built 2001 Load: 40.2 t ADT: 44,400

S-13-22

Fair

Over: MOUNT PRONG CREEK

10.8 MI W CHERAW, Chesterfield, SC

Built 1988 Load: 40.2 t ADT: 225

S-13-23

Fair

Over: BIG WESTFIELD CREEK

7.0 MI NE CHESTERFIELD, Chesterfield, SC

Built 1990 Load: 40.2 t ADT: 650

US 221 NBL

Fair

Over: CORONACA CREEK

1.2 MI SW OF SC 246, Greenwood, SC

Built 1975 Load: 40.2 t ADT: 7,150

US 521

Fair

Over: SWIFT CREEK

8 MI S OF CAMDEN, Kershaw, SC

Built 1960 Load: 40.2 t ADT: 8,200

SC 97

Fair

Over: CATAWBA RIVER

CHESTER CO LN, Lancaster, SC

Built 1986 Load: 40.2 t ADT: 800

US 76

Fair

Over: BLACK RIVER SWAMP

1 MI NE OF MAYESVILLE, Sumter, SC

Built 2004 Load: 40.2 t ADT: 1,600

US 278

Fair

Over: BUCK CREEK

8MI S OF WILLISTON, Barnwell, SC

Built 1952 Load: 40.5 t ADT: 3,300

S-10-2521

Fair

Over: FILBIN CREEK

IN N. CHARLESTON, Charleston, SC

Built 1986 Load: 40.5 t ADT: 375

L-3028/HRBRWATCHCT

Fair

Over: TIDAL CREEK

MOUNT PLEASANT, Charleston, SC

Built 1990 Load: 40.5 t ADT: 600

I-20 WB

Fair

Over: SPARROW SWAMP

2MI N OF LAMAR, Darlington, SC

Built 1972 Load: 40.5 t ADT: 14,350

S-18-18

Fair

Over: CATTLE CREEK

8.4MI W OF ST GEORGE, Dorchester, SC

Built 1994 Load: 40.5 t ADT: 175

I-95 NB

Fair

Over: LAKE SWAMP

2MI SE OF TIMMONSVILLE, Florence, SC

Built 1966 Load: 40.5 t ADT: 19,200

US 221

Fair

Over: SALUDA RIVER

8.5 MI NE GREENWOOD, Greenwood, SC

Built 1989 Load: 40.5 t ADT: 14,300

I-20 WB

Fair

Over: BIG PINE TREE CREEK

2 MI SE OF CAMDEN, Kershaw, SC

Built 1970 Load: 40.5 t ADT: 21,100

S-29-71

Fair

Over: BEAR CREEK

6.9 MI SE LANCASTER, Lancaster, SC

Built 1925 Load: 40.5 t ADT: 550

I-26

Fair

Over: SADDLER SWAMP

8 MI N OF ORANGEBURG, Orangeburg, SC

Built 1960 Load: 40.5 t ADT: 25,600

S-40-80

Fair

Over: HOLLINSHEAD CREEK

3 MI NE OF BALLENTINE, Richland, SC

Built 1992 Load: 40.5 t ADT: 800

C-42-38

Fair

Over: TRIB MIDDLE TIGER RIVER

6.1 MI SW OF INMAN, Spartanburg, SC

Built 1992 Load: 40.5 t ADT: 225

SC 302

Fair

Over: DEAN CREEK

3 MI W OF WAGENER, Aiken, SC

Built 1937 Load: 40.8 t ADT: 1,600

SC 125

Fair

Over: DAVIS BRANCH

8MI W OF ALLENDALE, Allendale, SC

Built 1931 Load: 40.8 t ADT: 1,500

SC 20

Fair

Over: BIG CREEK

WILLIAMSTON TOWN LIMITS, Anderson, SC

Built 1930 Load: 40.8 t ADT: 12,000

I-85 NBL

Fair

Over: HURRICANE CREEK

5.1MI NW OF WILLIAMSTON, Anderson, SC

Built 1963 Load: 40.8 t ADT: 34,500

S-7-77/SEASIDE RD

Fair

Over: CLUB BRIDGE CREEK

8.6 MI SE BEAUFORT, Beaufort, SC

Built 2003 Load: 40.8 t ADT: 950

I-95 SB

Fair

Over: INDIAN FIELD SWAMP

4 MI N OF ST GEORGE, Dorchester, SC

Built 1972 Load: 40.8 t ADT: 25,600

I-95 NB

Fair

Over: TRIB TO CROOKED CR

7.5 MI SW ST GEORGE, Dorchester, SC

Built 1973 Load: 40.8 t ADT: 25,400

I-95 NB

Fair

Over: CROOKED CREEK

5.8 MI SW ST GEORGE, Dorchester, SC

Built 1973 Load: 40.8 t ADT: 25,400

I-95 SB

Fair

Over: TRIB TO CROOKED CR

7.5 MI SW ST GEORGE, Dorchester, SC

Built 1973 Load: 40.8 t ADT: 25,400

I-95 SB

Fair

Over: TRIB TO CROOKED CR

7.2 MI SW ST GEORGE, Dorchester, SC

Built 1973 Load: 40.8 t ADT: 25,400

I-95 SB

Fair

Over: CROOKED CREEK

5.8 MI SW ST GEORGE, Dorchester, SC

Built 1973 Load: 40.8 t ADT: 25,400

SC 41

Fair

Over: LYNCHES RIVER SWAMP

1MI N OF JOHNSONVILLE, Florence, SC

Built 2007 Load: 40.8 t ADT: 7,800

C-22-893

Fair

Over: GUINEA CREEK

9.5 MI N OF GEORGETOWN, Georgetown, SC

Built 1992 Load: 40.8 t ADT: 225

I-95 NB

Fair

Over: TULLIFINNY RIVER

1MI N OF COOSAWHATCHIE, Jasper, SC

Built 1974 Load: 40.8 t ADT: 29,650

I-95 SB

Fair

Over: COOSAWHATCHIE RIVER

@ COOSAWHATCHIE, Jasper, SC

Built 1974 Load: 40.8 t ADT: 29,650

S-32-169

Fair

Over: 12 MILE CREEK

5 MI SW OF LEXINGTON, Lexington, SC

Built 1989 Load: 40.8 t ADT: 200

US 76

Fair

Over: RICHLAND CREEK

4.0 MI W OF SENECA, Oconee, SC

Built 1965 Load: 40.8 t ADT: 14,500

I-126 WB

Fair

Over: RR CSXT & RR NS

CITY OF COLUMBIA, Richland, SC

Built 1959 Load: 40.8 t ADT: 30,950

RAMP OFF I-77 SB

Fair

Over: SOUTH FORK CREEK

4 MI E OF COLUMBIA, Richland, SC

Built 1991 Load: 40.8 t ADT: 7,700

I-26

Fair

Over: MEADOW CREEK

3.0 MI NE OF INMAN, Spartanburg, SC

Built 1960 Load: 40.8 t ADT: 37,400

I-26 EB

Fair

Over: CSXT RR

7.0 MI SW OF SPARTANBURG, Spartanburg, SC

Built 1960 Load: 40.8 t ADT: 15,850

US 76 EB

Fair

Over: WATEREE RIVER SWP-3

12 MI W OF SUMTER, Sumter, SC

Built 2009 Load: 40.8 t ADT: 9,550

US 378 EB

Fair

Over: BLACK RIVER SWAMP (NO. 1

10 MI E OF SUMTER, Sumter, SC

Built 1972 Load: 40.8 t ADT: 5,750

US 378 EB

Fair

Over: BLACK RIVER SWAMP (NO. 2

10 MI E OF SUMTER, Sumter, SC

Built 1972 Load: 40.8 t ADT: 5,750

S-43-25

Fair

Over: CANE SAVANNAH CREEK

3 MI SW OF SUMTER, Sumter, SC

Built 1997 Load: 40.8 t ADT: 6,000

Showing 2,901-2,950 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.