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 170

Fair

Over: LITTLE BACK RIVER

GA/SC LN, Jasper, SC

Built 1925 Load: 27.5 t ADT: 4,000

SC 9

Fair

Over: STREAM

2.5 MI E OF LANCASTER, Lancaster, SC

Built 1929 Load: 27.5 t ADT: 7,500

S-30-704

Fair

Over: LITTLE DURBIN CK

8.5 MI N GRAY COURT, Laurens, SC

Built 1973 Load: 27.5 t ADT: 350

US 15

Fair

Over: MECHANICSVILLE SWAMP

9 MI SW OF BISHOPVILLE, Lee, SC

Built 1930 Load: 27.5 t ADT: 4,100

US 1 SB

Fair

Over: PEE DEE OVERFLOW (NO. 1)

0.5 MI NE OF CHERAW, Marlboro, SC

Built 1937 Load: 27.5 t ADT: 7,050

US 221

Fair

Over: ROCKY CREEK

1.5MI NE OF MCCORMICK, McCormick, SC

Built 1941 Load: 27.5 t ADT: 3,000

US 378

Fair

Over: HARD LABOR CREEK

3.9MI NE OF MCCORMICK, McCormick, SC

Built 1952 Load: 27.5 t ADT: 1,400

SC 202

Fair

Over: ROCKY CREEK

12.4 MI SE OF NEWBERRY, Newberry, SC

Built 1936 Load: 27.5 t ADT: 1,250

S-36-41

Fair

Over: BUSH RIVER

8.3 MI S OF NEWBERRY, Newberry, SC

Built 1985 Load: 27.5 t ADT: 550

S-38-90

Fair

Over: WHIRLWIND CREEK

6MI SE ORANGEBURG, Orangeburg, SC

Built 1930 Load: 27.5 t ADT: 800

US 301 NB

Fair

Over: COOPER SWAMP

9MI N OF COPE, Orangeburg, SC

Built 1933 Load: 27.5 t ADT: 3,300

US 21_BUS

Fair

Over: S.C.L. RAILROAD

IN CITY OF ORANGEBURG, Orangeburg, SC

Built 1937 Load: 27.5 t ADT: 7,300

US 15

Fair

Over: TARGET CREEK

2 MI NW OF HOLLY HILL, Orangeburg, SC

Built 1928 Load: 27.5 t ADT: 800

US 123 NB

Fair

Over: GEORGES CREEK

6MI E OF EASLEY, Pickens, SC

Built 1957 Load: 27.5 t ADT: 11,600

US 176

Fair

Over: WATEREE CREEK

3 MI N OF CHAPIN, Richland, SC

Built 1935 Load: 27.5 t ADT: 4,100

US 378

Fair

Over: BEAVER DAM CREEK

10.6 MI NE OF SALUDA, Saluda, SC

Built 1940 Load: 27.5 t ADT: 2,900

US 176

Fair

Over: TRIB TO LAWSONS FORK

6.0 MI W OF SPARTANBURG, Spartanburg, SC

Built 1932 Load: 27.5 t ADT: 24,600

C-4-617

Fair

Over: TRIB TO ROCKY CR

3.2 MI NE OF ANDERSON, Anderson, SC

Built 1962 Load: 27.9 t ADT: 175

S-7-40

Fair

Over: HABERSHAM CREEK

4.2 MI SW BEAUFORT, Beaufort, SC

Built 1958 Load: 27.9 t ADT: 9,100

S-8-16/JEDBURG RD

Fair

Over: SANDY RUN CREEK

10.7MI SW MONCKS CORNER, Berkeley, SC

Built 1972 Load: 27.9 t ADT: 11,900

S-10-38

Fair

Over: BULL BRIDGE CREEK

11 MI NW RAVENEL, Charleston, SC

Built 1964 Load: 27.9 t ADT: 700

S-1336/RANDALL RD

Fair

Over: UNNAMED STREAM

1.6 MI NW MCCLELLANVILLE, Charleston, SC

Built 1966 Load: 27.9 t ADT: 175

RAMP ON I-26 EB

Fair

Over: VEGETATIVE RIGHT OF WAY

IN N. CHARLESTON, Charleston, SC

Built 1989 Load: 27.9 t ADT: 29,100

US 17 ALT

Fair

Over: GREAT SWAMP

WALTERBORO, Colleton, SC

Built 1938 Load: 27.9 t ADT: 10,900

S-15-85

Fair

Over: UNNAMED STREAM

8.7 MI NW WALT'B, Colleton, SC

Built 1960 Load: 27.9 t ADT: 200

I-95 SB

Fair

Over: SPARROW SWAMP

4MI SW OF TIMMONSVILLE, Florence, SC

Built 1967 Load: 27.9 t ADT: 18,900

US 501 BUS

Fair

Over: WACCAMAW BACKWATER

WACCAMA BACKWATER (1), Horry, SC

Built 1937 Load: 27.9 t ADT: 21,600

US 521 NB

Fair

Over: TWELVE MILE CREEK

12.0 MI N LANCASTER, Lancaster, SC

Built 1977 Load: 27.9 t ADT: 10,250

I-26

Fair

Over: RR NS

5 MI SW OF COLUMBIA, Lexington, SC

Built 1958 Load: 27.9 t ADT: 89,800

S-38-65

Fair

Over: BULL SWAMP

6 MI E ORANGEBURG, Orangeburg, SC

Built 2003 Load: 27.9 t ADT: 175

SC 12

Fair

Over: GILLS CREEK

3 MI NE OF FOREST ACRES, Richland, SC

Built 1941 Load: 27.9 t ADT: 10,800

S-42-82

Fair

Over: SOUTH TYGER RIVER

7.5 MI SE GREER, Spartanburg, SC

Built 1954 Load: 27.9 t ADT: 8,400

S-42-118

Fair

Over: ENOREE RIVER

2.5 MI SW WOODRUFF, Spartanburg, SC

Built 1985 Load: 27.9 t ADT: 1,150

C-42-565

Fair

Over: FERGUSONS CR

5.5 MI NW OF WOODRUFF, Spartanburg, SC

Built 1996 Load: 27.9 t ADT: 225

C-42-985

Fair

Over: BOWEN LAKE # 2

5.8MI NE INMAN, Spartanburg, SC

Built 1999 Load: 27.9 t ADT: 2,000

C-42-985

Fair

Over: BOWEN LAKE # 1

5.3 MI NE OF INMAN, Spartanburg, SC

Built 2000 Load: 27.9 t ADT: 2,400

S-44-383

Fair

Over: MENG CREEK

LAKESIDE DR @ UNION, Union, SC

Built 1981 Load: 27.9 t ADT: 3,000

SC 512

Fair

Over: INDIANTOWN SWAMP

2.0 MI SW OF STUCKEY, Williamsburg, SC

Built 1948 Load: 27.9 t ADT: 1,200

SC 81

Fair

Over: BIG BRUSHY CREEK

9.3MI NW OF WILLIAMSTON, Anderson, SC

Built 1955 Load: 28.2 t ADT: 7,300

SC 28

Fair

Over: FIRST CREEK

12.0MI SE OF ANDERSON, Anderson, SC

Built 1958 Load: 28.2 t ADT: 3,500

SC 215

Fair

Over: JOHNS CREEK

10MIN OF FAIRFIELD CO LN, Chester, SC

Built 1939 Load: 28.2 t ADT: 650

US 78/W 5TH ST N

Fair

Over: GREAT CYPRESS SWAMP #6

6.4 MI NW OF SUMMERVILLE, Dorchester, SC

Built 1919 Load: 28.2 t ADT: 7,400

S-21-29

Fair

Over: JEFFERIES CREEK

AT CASHUA ST - FLORENCE, Florence, SC

Built 1921 Load: 28.2 t ADT: 12,100

S-27-33

Fair

Over: UNNAMED STREAM

7.2MI NE RIDGELAND, Jasper, SC

Built 1960 Load: 28.2 t ADT: 125

I-95 NB

Fair

Over: GREAT SWAMP

5MI S OF RIDGELAND, Jasper, SC

Built 1966 Load: 28.2 t ADT: 29,450

I-95 SB

Fair

Over: GREAT SWAMP

5MI S OF RIDGELAND, Jasper, SC

Built 1966 Load: 28.2 t ADT: 29,450

S-27-110

Fair

Over: GREAT SWAMP

3.5MI SW RIDGELAND, Jasper, SC

Built 1994 Load: 28.2 t ADT: 325

US 15

Fair

Over: MECHANICSVILLE MILL POND

8 MI SE OF BISHOPVILLE, Lee, SC

Built 1950 Load: 28.2 t ADT: 4,100

S-36-28

Fair

Over: CANNONS CREEK

13.2 MI E NEWBERRY, Newberry, SC

Built 1977 Load: 28.2 t ADT: 1,050

L-40-454

Fair

Over: BR OF CONGAREE RIVER

CITY OF COLUMBIA, Richland, SC

Built 1910 Load: 28.2 t ADT: 7,200

Showing 2,251-2,300 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.