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-6-29

Fair

Over: TOBY CREEK

3 MI E BARNWELL, Barnwell, SC

Built 1948 Load: 29.2 t ADT: 900

US 278 WB

Fair

Over: MACKAY CREEK

HILTON HEAD ISLAND, Beaufort, SC

Built 1983 Load: 29.2 t ADT: 28,700

US 21

Fair

Over: SAVANY HUNT CREEK

2 MI NW OF ST MATTHEWS, Calhoun, SC

Built 1965 Load: 29.2 t ADT: 4,700

US 17 NB

Fair

Over: AWENDAW CREEK

AT AWENDAW, Charleston, SC

Built 1977 Load: 29.2 t ADT: 5,400

RAMP ON SC 30 WB

Fair

Over: VEGETATIVE RIGHT OF WAY

CITY OF CHARLESTON, Charleston, SC

Built 1993 Load: 29.2 t ADT: 27,950

US 17 ALT

Fair

Over: BLUE HORSE CREEK

3.5 MI S OF WALTBR, Colleton, SC

Built 1925 Load: 29.2 t ADT: 1,300

S-15-64

Fair

Over: INDIAN CREEK

7.8 MI NW WALT'B, Colleton, SC

Built 1958 Load: 29.2 t ADT: 900

S-63/CHEROKEE DR

Fair

Over: BUCKHEAD CREEK

17.8 MI NW WALTERBORO, Colleton, SC

Built 1959 Load: 29.2 t ADT: 275

S-15-124/BEDON RD

Fair

Over: UNNAMED STREAM

2.8 MI E WALT'B, Colleton, SC

Built 1960 Load: 29.2 t ADT: 1,650

SC 57

Fair

Over: BR OF LITTLE PEE DEE RIV

7.0MI NW OF LITTLE ROCK, Dillon, SC

Built 1948 Load: 29.2 t ADT: 950

S-23-87

Fair

Over: LANGSTON CREEK

3.5 MI N GREENVILLE, Greenville, SC

Built 1948 Load: 29.2 t ADT: 11,900

I-85

Fair

Over: BRUSHY CREEK

5.0 MI SW GREER, Greenville, SC

Built 1962 Load: 29.2 t ADT: 124,000

I-95 NB

Fair

Over: BAHAMA SWAMP

5MI N OF HARDEEVILLE, Jasper, SC

Built 1968 Load: 29.2 t ADT: 29,450

S-27-14

Fair

Over: GREAT SWAMP

1.8MI NW RIDGELAND, Jasper, SC

Built 1986 Load: 29.2 t ADT: 600

S-29-614

Fair

Over: HANNAH CREEK

CITY OF LANCASTER, Lancaster, SC

Built 1977 Load: 29.2 t ADT: 150

SC 302

Fair

Over: SAVANA BRANCH

1MI NE OF S CONGAREE, Lexington, SC

Built 1928 Load: 29.2 t ADT: 15,800

US 501 SB

Fair

Over: LITTLE PEE DEE SWP-5

.2 MI W GALIVANTS FERRY, Marion, SC

Built 1931 Load: 29.2 t ADT: 9,650

SC 11

Fair

Over: CANE CREEK

1.0 MI NE OF WEST UNION, Oconee, SC

Built 1958 Load: 29.2 t ADT: 10,700

S-38-162

Fair

Over: WILLOW SWAMP

2MI SW NORWAY, Orangeburg, SC

Built 1939 Load: 29.2 t ADT: 225

I-26 EB

Fair

Over: SOUTH TYGER RIVER

5.0 MI NE WOODRUFF, Spartanburg, SC

Built 1960 Load: 29.2 t ADT: 14,150

S-42-494

Fair

Over: LAWSONS FORK CREEK

2.3 MI E. SPARTANBURG, Spartanburg, SC

Built 1960 Load: 29.2 t ADT: 8,600

S-42-605

Fair

Over: SCL RAILROAD

POWELL MILL RD/SPTBG, Spartanburg, SC

Built 1977 Load: 29.2 t ADT: 3,500

S-43-43

Fair

Over: RAFTING CREEK

5 MI SE REMBERT, Sumter, SC

Built 1948 Load: 29.2 t ADT: 1,050

S-46-72

Fair

Over: LOVE BRANCH

1.5 MI SW HICKORY GROVE, York, SC

Built 1975 Load: 29.2 t ADT: 225

SC 81

Fair

Over: ROCKY RIVER

14.5MI NW ABBEV, Abbeville, SC

Built 1938 Load: 29.5 t ADT: 1,550

SC 72

Fair

Over: BLUE HILL CREEK

ABBEVILLE CITY LIMITS, Abbeville, SC

Built 1949 Load: 29.5 t ADT: 10,000

US 1

Fair

Over: SOUTHERN RR (NO 1)

HAMBURG SC, Aiken, SC

Built 1952 Load: 29.5 t ADT: 26,000

US 321

Fair

Over: MILLER CREEK

1MI W OF SYCAMORE, Allendale, SC

Built 1921 Load: 29.5 t ADT: 1,500

US 278

Fair

Over: LOG CREEK

1MI N OF ALLENDALE, Allendale, SC

Built 1945 Load: 29.5 t ADT: 2,800

SC 8

Fair

Over: PICKENS CREEK

9.5 MI NW WILLIAMSTON, Anderson, SC

Built 1957 Load: 29.5 t ADT: 3,900

SC 187

Fair

Over: BIG GENEROSTEE CREEK

11.3 MI SW OF ANDERSON, Anderson, SC

Built 1957 Load: 29.5 t ADT: 550

SC 252

Fair

Over: BLUE CREEK

2.5 MI W OF HONEA PATH, Anderson, SC

Built 1962 Load: 29.5 t ADT: 4,300

US 176

Fair

Over: SANDY RUN CREEK

15MI NW OF ST MATTHEWS, Calhoun, SC

Built 1930 Load: 29.5 t ADT: 4,100

SC 61

Fair

Over: MARSH

CHARLESTON, Charleston, SC

Built 1996 Load: 29.5 t ADT: 21,600

L-5556GREYMARSHRD

Fair

Over: TIDAL CREEK

IN MOUNT PLEASANT, Charleston, SC

Built 1999 Load: 29.5 t ADT: 600

US 17 ALT

Fair

Over: EDISTO RIVER

14MI S SUMR'VL, Dorchester, SC

Built 1972 Load: 29.5 t ADT: 10,600

SC 341

Fair

Over: LYNCHES LAKE (NO. 1)

5MI SE OF LAKE CITY, Florence, SC

Built 1957 Load: 29.5 t ADT: 2,400

SC 341

Fair

Over: LYNCHES LAKE (NO. 3)

2MI W OF JOHNSONVILLE, Florence, SC

Built 1957 Load: 29.5 t ADT: 2,600

US 701

Fair

Over: YAUHANNAH CREEK

17 MI N GEORGETOWN, Georgetown, SC

Built 1948 Load: 29.5 t ADT: 3,900

SC 261

Fair

Over: PENNY ROYAL CREEK

18 MI N GEORGETOWN, Georgetown, SC

Built 1948 Load: 29.5 t ADT: 1,000

US 501

Fair

Over: INTERCOASTAL WATERWAY

3.0 MI W OF MYRTLE BEACH, Horry, SC

Built 1982 Load: 29.5 t ADT: 60,700

SC 170/FREEDOM PKY

Fair

Over: CLYDESDALE CREEK

4.6MI S OF HARDEEVILLE, Jasper, SC

Built 1952 Load: 29.5 t ADT: 3,900

S-29-51

Fair

Over: UPPER CAMP CREEK

7.5MI NE LANCASTER, Lancaster, SC

Built 1925 Load: 29.5 t ADT: 650

US 521 SB

Fair

Over: TWELVE MILE CREEK

12.0 MI N OF LANCASTER, Lancaster, SC

Built 1928 Load: 29.5 t ADT: 10,250

S-30-42

Fair

Over: CSX RAILROAD

LAURENS CITY LIMITS, Laurens, SC

Built 1965 Load: 29.5 t ADT: 1,900

S-32-1448

Fair

Over: TRIB TO 12 MI CR

2 MI SW LEXINGTON, Lexington, SC

Built 1976 Load: 29.5 t ADT: 900

US 321

Fair

Over: BIG CEDAR CREEK

10 MI NW OF KILLIAN, Richland, SC

Built 1939 Load: 29.5 t ADT: 3,500

S-42-242

Fair

Over: MIDDLE TYGER RIVER

TOWN OF LYMAN, Spartanburg, SC

Built 1955 Load: 29.5 t ADT: 7,600

SC 296

Fair

Over: SOUTH TYGER RIVER

10.0 MI SW SPARTANBURG, Spartanburg, SC

Built 1958 Load: 29.5 t ADT: 10,400

C-42-366

Fair

Over: TRIBUTE LAWSON FORK CRK

5.0 N OF SPARTANBURG, Spartanburg, SC

Built 1960 Load: 29.5 t ADT: 250

Showing 2,351-2,400 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.