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%.

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.

All Bridges in South Carolina

S-12-136

Good

Over: TRIB TO SOUTH FORK CR

5MI NW RICHBURG, Chester, SC

Built 1997 Load: 32.7 t ADT: 325

SC 253

Good

Over: ROCKY CREEK

6.0 MI NE TRAVELERS REST, Greenville, SC

Built 1956 Load: 32.7 t ADT: 5,200

C-23-4411

Good

Over: LITTLE GILDER CREEK

3.5 MI NE OF MAULDIN, Greenville, SC

Built 2013 Load: 32.7 t ADT: 125

C-26-2545

Good

Over: CHINNERS SWAMP (2)

2.4 MI S OF AYNOR, Horry, SC

Built 2017 Load: 32.7 t ADT: 250

S-28-102

Good

Over: SPEARS CREEK

3 MI S OF ELGIN, Kershaw, SC

Built 1996 Load: 32.7 t ADT: 1,500

S-28-147

Good

Over: BOLTON BRANCH

TOWN OF CAMDEN, Kershaw, SC

Built 2018 Load: 32.7 t ADT: 260

S-29-70

Good

Over: HANNAHS CREEK

2 MI E OF LANCASTER, Lancaster, SC

Built 2014 Load: 32.7 t ADT: 900

S-31-73

Good

Over: MCGIRTS CREEK

8 MI SW OF BISHOPVILLE, Lee, SC

Built 2006 Load: 32.7 t ADT: 400

S-32-204

Good

Over: TWELVEMILE CREEK

4 MI SW OF LEXINGTON, Lexington, SC

Built 2005 Load: 32.7 t ADT: 9,300

S-32-266

Good

Over: MONKEY SPRINGS BR FP

3 MI SW OF COLUMBIA, Lexington, SC

Built 2003 Load: 32.7 t ADT: 1,850

US 378

Good

Over: LITTLE PEE DEE SWP (1)

7.0 MI SE GRESHAM, Marion, SC

Built 2011 Load: 32.7 t ADT: 6,200

US 378

Good

Over: LITTLE PEE DEE SWP (3)

8.0 MI SE GRESHAM, Marion, SC

Built 2011 Load: 32.7 t ADT: 6,200

US 378

Good

Over: LITTLE PEE DEE SWP (4)

6 MI SE OF BRITTONS NECK, Marion, SC

Built 2011 Load: 32.7 t ADT: 6,200

S-37-50

Good

Over: NORFOLK SOUTHERN RR

2.2 MI W SENECA, Oconee, SC

Built 2001 Load: 32.7 t ADT: 7,600

S-40-54

Good

Over: TWENTYFIVE MILE CREEK

5 MI E OF BLYTHEWOOD, Richland, SC

Built 2008 Load: 32.7 t ADT: 7,900

BOYDEN ARBOR RD.

Good

Over: GILLS CREEK

SE OF GATE 4, Richland, SC

Built 1995 Load: 32.7 t ADT: 8,000

COLONELS CREEK RD.

Good

Over: COLONELS CREEK

N CHAINGANG RD BTN R/26D, Richland, SC

Built 2014 Load: 32.7 t ADT: 50

C-42-966

Good

Over: NORTH PACOLET RIVER

8.5MI W CHESNEE, Spartanburg, SC

Built 2009 Load: 32.7 t ADT: 225

S-46-961

Good

Over: BR DUTCHMAN CR

5.9 MI NW ROCK HILL, York, SC

Built 2010 Load: 32.7 t ADT: 1,800

AVENUE OF THE NATI

Good

Over: HAGGINS BRANCH

8.7 MILES EAST OF ROCK HI, York, SC

Built 1997 Load: 32.7 t ADT: 110

STURGIS ROAD

Good

Over: BURGIS CREEK

6 KM EAST OF I-77, York, SC

Built 2019 Load: 32.7 t ADT: 3

S-2-104

Good

Over: HIGHTOWER CREEK

4.0 MI NW GRANITVILLE, Aiken, SC

Built 2003 Load: 33.0 t ADT: 3,200

S-2-254

Good

Over: HORSE CREEK

7.4 MI E N AUGUSTA, Aiken, SC

Built 1999 Load: 33.0 t ADT: 5,100

SC 97

Good

Over: CHAPEL CREEK

2.5MI NW OF CHESTER, Chester, SC

Built 1940 Load: 33.0 t ADT: 900

S-12-426

Good

Over: TRIB TO FISHING CR

2.5MI NE RICHBURG, Chester, SC

Built 2003 Load: 33.0 t ADT: 125

SC 151 NB

Good

Over: ROCKY CREEK

10.5 MI NW OF MCBEE, Chesterfield, SC

Built 1998 Load: 33.0 t ADT: 2,700

S-15-27

Good

Over: WILLOW SWAMP

14.5 MI NW WALT'B, Colleton, SC

Built 1984 Load: 33.0 t ADT: 125

I-85 SB

Good

Over: SALUDA RIVER

5.7 MI SW OF GREENVILLE, Greenville, SC

Built 1992 Load: 33.0 t ADT: 54,500

C-23-2350

Good

Over: ENOREE RIV

4.7MI E TRAVELERS REST, Greenville, SC

Built 1992 Load: 33.0 t ADT: 150

C-23-3925

Good

Over: GRAZE BRANCH

6.7 MI N FOUNTAIN INN, Greenville, SC

Built 2012 Load: 33.0 t ADT: 150

S-24-41

Good

Over: WILSON CREEK

3.5 MI E NINETY SIX, Greenwood, SC

Built 1990 Load: 33.0 t ADT: 175

C-26-1368

Good

Over: LOOSING SWAMP

4.3 MI N OF AYNOR, Horry, SC

Built 2018 Load: 33.0 t ADT: 250

US 521

Good

Over: HANNAHS CREEK

1.5 MI E OF LANCASTER, Lancaster, SC

Built 1965 Load: 33.0 t ADT: 24,400

S-29-54

Good

Over: SIX MILE CREEK

9MI N VAN WYCK, Lancaster, SC

Built 1986 Load: 33.0 t ADT: 9,600

US 378

Good

Over: GREAT PEE DEE RIVER

1.0 MI SW GRESHAM, Marion, SC

Built 2010 Load: 33.0 t ADT: 8,200

US 15

Good

Over: GREAT PEE DEE SWP (5)

5 MI NE SOCIETY HILL, Marlboro, SC

Built 2005 Load: 33.0 t ADT: 4,200

S-39-65

Good

Over: SHOAL CREEK

5.0 MI NW LIBERTY, Pickens, SC

Built 1994 Load: 33.0 t ADT: 400

C-41-345

Good

Over: ROCKY CREEK

8.9 MI SW OF SALUDA, Saluda, SC

Built 2004 Load: 33.0 t ADT: 225

C-42-4761

Good

Over: FOUR MILE BRANCH

4.0 MI SE SPARTANBURG, Spartanburg, SC

Built 2015 Load: 33.0 t ADT: 225

C-42-1845

Good

Over: BUCK CREEK

4.0 MI SW CHESNEE, Spartanburg, SC

Built 1975 Load: 33.0 t ADT: 275

US 221

Good

Over: NORTH TYGER RIVER

8.3 MI S SPARTANBURG, Spartanburg, SC

Built 1994 Load: 33.0 t ADT: 16,800

SC 85 NB

Good

Over: LAWSON FORK CREEK

3.2 MI N OF SPARTANBURG, Spartanburg, SC

Built 2022 Load: 33.0 t ADT: 11,200

S-46-739

Good

Over: STONY FORK CREEK

6.3 MI SW ROCK HILL, York, SC

Built 2004 Load: 33.0 t ADT: 800

S-46-650

Good

Over: TOOLS FORK CREEK

CITY OF ROCK HILL, York, SC

Built 2002 Load: 33.0 t ADT: 1,100

S-46-764

Good

Over: BR OF FISHING CREEK

CITY OF YORK, York, SC

Built 1996 Load: 33.0 t ADT: 450

SC 460

Good

Over: JACKSON BR

1.9 MI NE FORT MILL, York, SC

Built 1998 Load: 33.0 t ADT: 17,600

US 29

Good

Over: HURRICANE CREEK

15.1MI NE OF ANDERSON, Anderson, SC

Built 1963 Load: 33.4 t ADT: 18,700

S-6-189

Good

Over: WHALEY BRANCH

5 MI E WILLISTON, Barnwell, SC

Built 2018 Load: 33.4 t ADT: 75

S-8-1251/ANGIE DR

Good

Over: TIMOTHY CREEK

12 MI NW OF SUMMERVILLE, Berkeley, SC

Built 1960 Load: 33.4 t ADT: 125

L-2888/FAIRBANKSDR

Good

Over: TIDAL MARSH

DANIEL ISLAND, Berkeley, SC

Built 2009 Load: 33.4 t ADT: 250

Showing 3,851-3,900 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 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.