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

C-4-1149

Fair

Over: CHARLES CR

15.9 MI NE OF ANDERSON, Anderson, SC

Built 1965 Load: 41.1 t ADT: 1,350

I-95 NB

Fair

Over: SCL RAILROAD

6.2 MI SW OF FLORENCE, Florence, SC

Built 1967 Load: 41.1 t ADT: 18,800

C-22-896

Fair

Over: PETERS CREEK

10.7 MI N OF GEORGETOWN, Georgetown, SC

Built 1983 Load: 41.1 t ADT: 225

I-20 EB

Fair

Over: LUGOFF FARMS ROAD-PRIV

3MI SW OF CAMDEN, Kershaw, SC

Built 1969 Load: 41.1 t ADT: 21,100

SC 14

Fair

Over: REEDY CREEK

CITY OF LAURENS, Laurens, SC

Built 1947 Load: 41.1 t ADT: 4,200

I-20 WB

Fair

Over: LYNCHES RIVER

4 MI SE OF BISHOPVILLE, Lee, SC

Built 1972 Load: 41.1 t ADT: 14,450

SC 38

Fair

Over: THREE CREEKS

IN BLENHEIM, Marlboro, SC

Built 1994 Load: 41.1 t ADT: 9,100

US 176

Fair

Over: TYGER RIVER

10.4 MI S OF UNION, Union, SC

Built 1962 Load: 41.1 t ADT: 1,950

US 278 EB

Fair

Over: OKATIE RIVER

18MI SW OF BEAUFORT, Beaufort, SC

Built 1991 Load: 41.5 t ADT: 32,750

US 278 WB

Fair

Over: OKATIE RIVER

18MI SW OF BEAUFORT, Beaufort, SC

Built 1991 Load: 41.5 t ADT: 32,750

I-526 EB

Fair

Over: TIDAL CREEK

NEAR CHARLESTON, Berkeley, SC

Built 1987 Load: 41.5 t ADT: 35,650

I-526 WB

Fair

Over: TIDAL CREEK

NEAR CHARLESTON, Berkeley, SC

Built 1987 Load: 41.5 t ADT: 35,650

I-526 RAMP

Fair

Over: RAMP ON I-526 EB

NEAR MT PLEASANT, Charleston, SC

Built 1981 Load: 41.5 t ADT: 5,100

I-95 NB

Fair

Over: JEFFERIES CREEK

2.5MI W OF FLORENCE, Florence, SC

Built 1966 Load: 41.5 t ADT: 18,800

I-95 SB

Fair

Over: JEFFERIES CREEK

2.5MI W OF FLORENCE, Florence, SC

Built 1966 Load: 41.5 t ADT: 18,800

S-21-26

Fair

Over: BLACK CREEK

4.0 MI N FLORENCE, Florence, SC

Built 1985 Load: 41.5 t ADT: 6,200

S-22-266

Fair

Over: S CAUSEWAY TO PAWLEYS

PAWLEYS ISLAND, Georgetown, SC

Built 1997 Load: 41.5 t ADT: 2,200

S-8-29/NAD RD

Fair

Over: GOOSE CREEK

CITY OF GOOSE CREEK, Berkeley, SC

Built 1988 Load: 41.8 t ADT: 32,600

S-15-65

Fair

Over: FULLER SWAMP CREEK

6.4 MI NE WALT'B, Colleton, SC

Built 1996 Load: 41.8 t ADT: 475

S-23-21

Fair

Over: NS RR

3.3MI NE GREENVILLE, Greenville, SC

Built 1960 Load: 41.8 t ADT: 15,400

SC 576 WB

Fair

Over: SMITH SWAMP

1 MI SE OF MARION, Marion, SC

Built 1971 Load: 41.8 t ADT: 5,950

US 1 NB

Fair

Over: PEE DEE OVERFLOW (NO. 1)

0.5 MI NE OF CHERAW, Marlboro, SC

Built 1961 Load: 41.8 t ADT: 7,050

I-95 NB

Fair

Over: FOUR HOLE SWAMP

8 MI W OF HOLLY HILL, Orangeburg, SC

Built 1973 Load: 41.8 t ADT: 18,000

I-95 NB

Fair

Over: PROVIDENCE SWAMP

6 MI W OF HOLLY HILL, Orangeburg, SC

Built 1973 Load: 41.8 t ADT: 18,000

I-95 SB

Fair

Over: FOUR HOLE SWAMP

8 MI W OF HOLLY HILL, Orangeburg, SC

Built 1973 Load: 41.8 t ADT: 18,000

I-95 SB

Fair

Over: FOUR HOLE SWAMP

8 MI W OF HOLLY HILL, Orangeburg, SC

Built 1973 Load: 41.8 t ADT: 18,000

I-95 SB

Fair

Over: FOUR HOLE SWAMP

7 MI W OF HOLLY HILL, Orangeburg, SC

Built 1973 Load: 41.8 t ADT: 18,000

S-6-167

Fair

Over: ROSEMARY CREEK

6.5 MI NW BARNWELL, Barnwell, SC

Built 1996 Load: 42.1 t ADT: 125

C-11-677

Fair

Over: BR THICKETTY CK

5.9 MI SW GAFFNEY, Cherokee, SC

Built 2008 Load: 42.1 t ADT: 200

I-20

Fair

Over: SPEARS CREEK

12 MI SW OF CAMDEN, Kershaw, SC

Built 1966 Load: 42.1 t ADT: 53,500

S-36-56

Fair

Over: BR OF BIG BEAVERDAM

3.2 MI NW NEWBERRY, Newberry, SC

Built 1972 Load: 42.1 t ADT: 600

S-37-290

Fair

Over: CHAUGA RIVER

9 MI W WALHALLA, Oconee, SC

Built 1971 Load: 42.1 t ADT: 350

SC 4

Fair

Over: FOUR MILE CREEK

4MI W OF ORANGEBURG, Orangeburg, SC

Built 1923 Load: 42.1 t ADT: 7,300

I-95 NB

Fair

Over: FOUR HOLE SWAMP

7 MI W OF HOLLY HILL, Orangeburg, SC

Built 1973 Load: 42.1 t ADT: 18,000

RAMP OFF I-77 SB

Fair

Over: RAMP ON I-77 SB

7 MI N OF COLUMBIA, Richland, SC

Built 1978 Load: 42.1 t ADT: 24,600

SC 4/SC 302

Fair

Over: SHAWS CREEK

6 MI E OF AIKEN, Aiken, SC

Built 1988 Load: 42.4 t ADT: 3,400

S-7-59

Fair

Over: FIELD CREEK

11 MI NW BEAUFORT, Beaufort, SC

Built 1997 Load: 42.4 t ADT: 450

S-19-34

Fair

Over: BURKHALTER CREEK

9.2MI SW EDGEFIELD, Edgefield, SC

Built 1989 Load: 42.4 t ADT: 1,600

SC 9 NBL

Fair

Over: BUCK SWAMP BRANCH

7.5 MI SE OF LORIS, Horry, SC

Built 1984 Load: 42.4 t ADT: 8,700

S-32-1207

Fair

Over: TWELVEMILE CREEK

2 MI SW OF LEXINGTON, Lexington, SC

Built 2004 Load: 42.4 t ADT: 5,500

I-26

Fair

Over: CANNONS CREEK

4.6 MI N E OF NEWBERRY, Newberry, SC

Built 1960 Load: 42.4 t ADT: 43,900

I-20 WB

Fair

Over: SHAWS CREEK

6 MI N OF AIKEN, Aiken, SC

Built 1968 Load: 42.8 t ADT: 18,050

S-2-67

Fair

Over: HORSE CREEK

0.2 MI SE OF US 1, Aiken, SC

Built 2000 Load: 42.8 t ADT: 3,800

I-85 NBL

Fair

Over: THREE & TWENTY CREEK

8.9MI NW OF ANDERSON, Anderson, SC

Built 1962 Load: 42.8 t ADT: 23,950

US 278 EB

Fair

Over: RAMP 5012

HILTON HEAD ISLAND, Beaufort, SC

Built 1997 Load: 42.8 t ADT: 15,000

SC 97

Fair

Over: TRIB TO BULL RUN CREEK

5MI SE OF CHESTER, Chester, SC

Built 1940 Load: 42.8 t ADT: 2,500

US 521 NB

Fair

Over: GILLS CREEK

1.5 MI N OF LANCASTER, Lancaster, SC

Built 1965 Load: 42.8 t ADT: 12,200

S-2-145

Fair

Over: HORSE CREEK

1.0 MI S CLEARWATER, Aiken, SC

Built 1998 Load: 43.1 t ADT: 4,200

SC 88

Fair

Over: DOUBLE BRANCH

7.5MI NE OF PENDLETON, Anderson, SC

Built 1939 Load: 43.1 t ADT: 6,800

US 52

Fair

Over: CRAWL CREEK

17.4 MI N MONCKS CRN, Berkeley, SC

Built 1999 Load: 43.1 t ADT: 4,300

Showing 2,951-3,000 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.