State profile · Near national median SD

South Carolina bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in South Carolina — drawn straight from the FHWA National Bridge Inventory.

5,396
Public bridges
34.8%
Good condition
6.1%
Poor condition
6.1%
Structurally deficient

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 rated 0-4

Structurally Deficient

6.1%

329 bridges flagged for repair priority

-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 — Structurally deficient share 20.3%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — South Carolina (FHWA NBI)

South Carolina34.766493699036324%49.03632320237213%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — South Carolina (FHWA NBI)

Counties (46)

Abbeville 96 Aiken 103 Allendale 43 Anderson 267 Bamberg 48 Barnwell 45 Beaufort 45 Berkeley 136 Calhoun 34 Charleston 196 Cherokee 113 Chester 95 Chesterfield 126 Clarendon 85 Colleton 139 Darlington 95 Dillon 62 Dorchester 112 Edgefield 82 Fairfield 81 Florence 161 Georgetown 71 Greenville 373 Greenwood 75 Hampton 60 Horry 259 Jasper 73 Kershaw 94 Lancaster 110 Laurens 146 Lee 50 Lexington 135 Marion 61 Marlboro 52 McCormick 32 Newberry 111 Oconee 119 Orangeburg 160 Pickens 156 Richland 211 Saluda 66 Spartanburg 361 Sumter 100 Union 82 Williamsburg 108 York 167

South Carolina vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below South Carolina on the same metric.

16

Idaho

5.51% top marginal rate
Structure
Progressive
Burden @ $100K
$1,742

28

Mississippi

5.92% top marginal rate
Structure
Progressive
Burden @ $100K
$16,823
Selected

45

South Carolina

6.10% top marginal rate
Structure
Progressive
Burden @ $100K
$5,396

55

Wisconsin

6.13% top marginal rate
Structure
Progressive
Burden @ $100K
$14,851

37

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 composite NBI rating. Each is inspected at least every 24 months.

C-20-60

Poor

Over: BR OF MORRIS CR

8.4 MI SW OF WINNSBORO, Fairfield, SC

Built 1960 Load: 0.3 t ADT: 125

S-12-353

Poor

Over: BEAVER DAM CREEK

3MI NW GREAT FALLS, Chester, SC

Built 1974 Load: 0.6 t ADT: 200

C-30-548

Poor

Over: NORTH RABON CREEK

11.5MI NW OF LAURENS, Laurens, SC

Built 1989 Load: 0.6 t ADT: 200

S-34-64

Poor

Over: PITCH POT SWAMP

4MI W MARION, Marion, SC

Built 1967 Load: 1.0 t ADT: 200

S-39-250

Poor

Over: MACHINE CREEK

8.0 MI N EASLEY, Pickens, SC

Built 1963 Load: 1.0 t ADT: 2,400

C-11-288

Poor

Over: BR BROAD RIVER

3.8 MI SW BLACKBURG, Cherokee, SC

Built 1992 Load: 1.3 t ADT: 200

All Bridges in South Carolina

SC 97

Fair

Over: BULLOCKS BRANCH

4.9 MI S HICKORY GROVE, York, SC

Built 1975 Load: 32.7 t ADT: 375

AVENUE OF THE NATI

Fair

Over: HAGGINS BRANCH CREEK

8.33 MILES EAST OF ROCK H, York, SC

Built 1997 Load: 32.7 t ADT: 110

SC 3

Fair

Over: WINDY HILL CREEK

1MI N OF BLACKVILLE, Barnwell, SC

Built 1959 Load: 33.0 t ADT: 2,500

SC 6

Fair

Over: LYONS CREEK

3MI SE OF CAMERON, Calhoun, SC

Built 1950 Load: 33.0 t ADT: 1,200

SC 61

Fair

Over: RR CSXT

4MIE OFNCHAS DRAYTON HALL, Charleston, SC

Built 1936 Load: 33.0 t ADT: 18,000

SC 642

Fair

Over: RR CSXT

IN N CHARLESTON, Charleston, SC

Built 1955 Load: 33.0 t ADT: 21,400

SC 700/MAYBANK HWY

Fair

Over: CHURCH CREEK

WADMALAW ISLAND, Charleston, SC

Built 1974 Load: 33.0 t ADT: 6,500

SC 102

Fair

Over: MERRIMANS POND

6 MI S OF CHESTERFIELD, Chesterfield, SC

Built 1948 Load: 33.0 t ADT: 1,450

US 15

Fair

Over: SAMMY SWAMP CREEK

3MI S OF PAXVILLE, Clarendon, SC

Built 1946 Load: 33.0 t ADT: 3,900

SC 253

Fair

Over: TRIB TO LANGSTON CREEK

3.5 MI N OF GREENVILLE, Greenville, SC

Built 1940 Load: 33.0 t ADT: 9,100

I-95 SB

Fair

Over: SAND ISLAND SWAMP

2MI N OF GA/SC LN, Jasper, SC

Built 1976 Load: 33.0 t ADT: 31,800

SC 346

Fair

Over: BUFFALO CREEK

12MI E OF KERSHAW, Kershaw, SC

Built 1977 Load: 33.0 t ADT: 500

SC 183

Fair

Over: KEOWEE RIVER

4 MI W OF SIX MILE, Pickens, SC

Built 1964 Load: 33.0 t ADT: 6,600

I-126 EB

Fair

Over: BROAD RIVER

2 MI NW OF COLUMBIA, Richland, SC

Built 1978 Load: 33.0 t ADT: 31,750

S-42-58

Fair

Over: BUCK CREEK

3.5 MI SW CHESNEE, Spartanburg, SC

Built 1959 Load: 33.0 t ADT: 2,700

C-4-833

Fair

Over: LITTLE GENEROSTEE CR

13.8 MI SW OF ANDERSON, Anderson, SC

Built 1956 Load: 33.4 t ADT: 125

US 17 NB

Fair

Over: RAMP 5030 AND 5031

IN CHARLESTON, Charleston, SC

Built 1978 Load: 33.4 t ADT: 19,450

L-2602/PARKERSLNDG

Fair

Over: TIDAL CREEK

IN MT PLEASANT, Charleston, SC

Built 1999 Load: 33.4 t ADT: 600

S-12-333

Fair

Over: BRANCH SANDY RIVER

3.5 MI N OF CHESTER, Chester, SC

Built 1988 Load: 33.4 t ADT: 425

SC 917

Fair

Over: CSX RAILROAD

2.0MI SW OF FORK, Dillon, SC

Built 1948 Load: 33.4 t ADT: 1,500

S-20-101

Fair

Over: TAYLOR CREEK

12.5MI NE WINNSBORO, Fairfield, SC

Built 1993 Load: 33.4 t ADT: 850

SC 288

Fair

Over: MIDDLE SALUDA RIVER

6.5 MI NW TRAVELERS REST, Greenville, SC

Built 1964 Load: 33.4 t ADT: 2,700

S-23-113

Fair

Over: SOUTH TYGER RIVER

7.9 MI NW GREER, Greenville, SC

Built 1985 Load: 33.4 t ADT: 4,000

S-29-51

Fair

Over: BELT LINE HANNAH CR

1.8MI NE LANCASTER, Lancaster, SC

Built 1925 Load: 33.4 t ADT: 1,000

S-29-99

Fair

Over: FLAT CREEK

9MI NE KERSHAW, Lancaster, SC

Built 1925 Load: 33.4 t ADT: 125

I-26 EB

Fair

Over: COW CASTLE CREEK

6 MI SE OF BOWMAN, Orangeburg, SC

Built 1961 Load: 33.4 t ADT: 24,850

S-38-74

Fair

Over: NORTH EDISTO RIVER

6MI NW ORANGEBURG, Orangeburg, SC

Built 2001 Load: 33.4 t ADT: 5,500

S-43-1074

Fair

Over: GREEN SWAMP BRANCH

4 MI NW OF SUMTER, Sumter, SC

Built 1984 Load: 33.4 t ADT: 9,000

S-46-114

Fair

Over: ALLISON CREEK

7.7 MI NE YORK, York, SC

Built 1994 Load: 33.4 t ADT: 1,000

SC 19

Fair

Over: SOUTHERN RWY (ABANDONED)

CHESTERFIELD ST AIKEN, Aiken, SC

Built 1937 Load: 33.7 t ADT: 8,100

S-4-709

Fair

Over: BIG GENEROSTEE CREEK

5.4MI SW STARR, Anderson, SC

Built 1971 Load: 33.7 t ADT: 175

C-4-1175

Fair

Over: CAMP CREEK

.8 MI NW OF WILLAMSTON, Anderson, SC

Built 1960 Load: 33.7 t ADT: 400

L-8-2381

Fair

Over: UNNAMED STREAM

IN GOOSE CREEK, Berkeley, SC

Built 1989 Load: 33.7 t ADT: 250

RAMP ON I-526 EB

Fair

Over: VEGETATIVE RIGHT OF WAY

NORTH CHARLESTON, Charleston, SC

Built 1989 Load: 33.7 t ADT: 3,700

RAMP ON I-526 WB

Fair

Over: FILBIN CREEK

IN N. CHARLESTON, Charleston, SC

Built 1992 Load: 33.7 t ADT: 10,600

RAMP OFF SC 30 EB

Fair

Over: VEGETATIVE RIGHT OF WAY

CHARLESTON, Charleston, SC

Built 1996 Load: 33.7 t ADT: 21,600

S-12-306

Fair

Over: KIRKPATRICK CREEK

12.3MI NW CHESTER, Chester, SC

Built 1986 Load: 33.7 t ADT: 25

US 1

Fair

Over: TWELVEMILE CREEK NO 2

TOWN OF LEXINGTON, Lexington, SC

Built 1929 Load: 33.7 t ADT: 28,100

S-36-575

Fair

Over: BEAR CREEK

15.1 MI SE NEWBERRY, Newberry, SC

Built 1940 Load: 33.7 t ADT: 200

US 321

Fair

Over: NORTH EDISTO RIVER

1MI S OF NORTH, Orangeburg, SC

Built 2007 Load: 33.7 t ADT: 4,500

S-44-86

Fair

Over: NEALS CREEK

5 MI N CARLISLE, Union, SC

Built 2015 Load: 33.7 t ADT: 125

US 521

Fair

Over: SPRING VALLEY SWAMP

5 MI NW OF ANDREWS, Williamsburg, SC

Built 1931 Load: 33.7 t ADT: 3,000

SC 20

Fair

Over: CORNER CREEK

15.7MI NW ABBEV, Abbeville, SC

Built 1949 Load: 34.0 t ADT: 800

US 301

Fair

Over: SALKEHATCHIE RIVER SWAMP

1MI N OF ULMERS, Allendale, SC

Built 1959 Load: 34.0 t ADT: 2,500

S-8-791/OLD US 52

Fair

Over: RR CSXT

4.6 MI N GOOSE CREEK, Berkeley, SC

Built 1930 Load: 34.0 t ADT: 6,600

SC 18

Fair

Over: BOWENS RIVER

1 MI S OF NC STATE LN, Cherokee, SC

Built 1937 Load: 34.0 t ADT: 5,000

S-11-34

Fair

Over: CHEROKEE CREEK

3.8MI NW GAFFNEY, Cherokee, SC

Built 1986 Load: 34.0 t ADT: 2,800

S-13-33

Fair

Over: NORTH PRONG CREEK

5.8 MI SW CHESTERFIELD, Chesterfield, SC

Built 1992 Load: 34.0 t ADT: 700

US 701

Fair

Over: BLACK RIVER

7 MI NW GEORGETOWN, Georgetown, SC

Built 1985 Load: 34.0 t ADT: 9,500

SC 186

Fair

Over: SALUDA RIVER

5.5 MI W. TRAVELERS REST, Greenville, SC

Built 1973 Load: 34.0 t ADT: 1,300

Showing 2,601-2,650 of 5,396 bridges

Related

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Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.