State profile · Near median Poor share

South Carolina bridge safety

According to the Federal Highway Administration's 2024 National Bridge Inventory, condition ratings, load ratings, and Poor-condition shares for every public highway bridge in South Carolina.

9,490
Public bridges
38.9%
Good condition
6.2%
Poor condition

South Carolina holds 9,490 public highway bridges (#26 of 52 by inventory) with a 6.17% Poor share (#25 of 52 by Poor share).

That is 6.2% of the state's inventory, against an average of 7.5% across the 54 states and territories with Poor-rated bridges on file, which places it 28 of 54 ordered from the lowest Poor share upward. A bridge is rated Poor when its weakest applicable component scores 4 or below on the inspecting agency's 0-9 scale, so the category is a maintenance and funding signal rather than a closure order or a live crossing-safety verdict.

Inventory: FHWA NBI 2024 · last ETL August 2026

Total Bridges

9,490

Public highway bridges in South Carolina

Good Condition

38.9%

3,690 bridges rated 7-9

-11.1pp vs 50% benchmark

Poor Condition

6.2%

586 bridges whose lowest applicable component is rated 0-4

-1.3pp vs national avg 7.5%

South Carolina vs national bridge condition

South Carolina - Good condition share 38.9%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

South Carolina - Poor-condition share 20.6%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.5%.

South Carolina in the national condition pattern

Each point is a state or territory in the FHWA NBI; the highlighted point is this profile.

Inventory size and Poor-condition share are different measures: South Carolina has 9,490 bridges and a 6.2% Poor-condition share in the 2024 NBI, rank #28 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold. Scatter plot of 54 data points. 0%10%20%30%40% 0k20k40k60k Public bridges in inventory (thousands) Poor-condition share (%) SC, Public bridges in inventory (thousands): 9.5k · Poor-condition share (%): 6.17%AL, Public bridges in inventory (thousands): 16.2k · Poor-condition share (%): 3.35%AK, Public bridges in inventory (thousands): 1.7k · Poor-condition share (%): 7.89%AZ, Public bridges in inventory (thousands): 8.6k · Poor-condition share (%): 1.15%AR, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 5.43%CA, Public bridges in inventory (thousands): 25.8k · Poor-condition share (%): 5.91%CO, Public bridges in inventory (thousands): 9k · Poor-condition share (%): 4.82%CT, Public bridges in inventory (thousands): 4.4k · Poor-condition share (%): 4.72%DE, Public bridges in inventory (thousands): 0.9k · Poor-condition share (%): 1.26%DC, Public bridges in inventory (thousands): 0.3k · Poor-condition share (%): 1.95%FL, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 2.79%GA, Public bridges in inventory (thousands): 15.1k · Poor-condition share (%): 1.59%GU, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 12.77%HI, Public bridges in inventory (thousands): 1.2k · Poor-condition share (%): 6.53%ID, Public bridges in inventory (thousands): 4.6k · Poor-condition share (%): 4.9%IL, Public bridges in inventory (thousands): 26.9k · Poor-condition share (%): 9.35%IN, Public bridges in inventory (thousands): 19.5k · Poor-condition share (%): 5.22%IA, Public bridges in inventory (thousands): 23.7k · Poor-condition share (%): 19.16%KS, Public bridges in inventory (thousands): 24.9k · Poor-condition share (%): 5.26%KY, Public bridges in inventory (thousands): 14.5k · Poor-condition share (%): 7.37%LA, Public bridges in inventory (thousands): 12.7k · Poor-condition share (%): 11.48%ME, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 15.41%MD, Public bridges in inventory (thousands): 5.5k · Poor-condition share (%): 4.56%MA, Public bridges in inventory (thousands): 5.3k · Poor-condition share (%): 8.88%MI, Public bridges in inventory (thousands): 11.4k · Poor-condition share (%): 11.27%MN, Public bridges in inventory (thousands): 13.5k · Poor-condition share (%): 4.44%MS, Public bridges in inventory (thousands): 16.7k · Poor-condition share (%): 6.03%MO, Public bridges in inventory (thousands): 24.6k · Poor-condition share (%): 8.95%MT, Public bridges in inventory (thousands): 5.2k · Poor-condition share (%): 6.81%NE, Public bridges in inventory (thousands): 15.4k · Poor-condition share (%): 7.9%NV, Public bridges in inventory (thousands): 2.1k · Poor-condition share (%): 1.14%NH, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 7.51%NJ, Public bridges in inventory (thousands): 6.8k · Poor-condition share (%): 6.01%NM, Public bridges in inventory (thousands): 4k · Poor-condition share (%): 4.51%NY, Public bridges in inventory (thousands): 17.6k · Poor-condition share (%): 9.43%NC, Public bridges in inventory (thousands): 19.2k · Poor-condition share (%): 6.76%ND, Public bridges in inventory (thousands): 4.3k · Poor-condition share (%): 10.98%OH, Public bridges in inventory (thousands): 26.7k · Poor-condition share (%): 4.74%OK, Public bridges in inventory (thousands): 22.9k · Poor-condition share (%): 7.7%OR, Public bridges in inventory (thousands): 8.3k · Poor-condition share (%): 4.61%PA, Public bridges in inventory (thousands): 23.3k · Poor-condition share (%): 12.58%PR, Public bridges in inventory (thousands): 2.4k · Poor-condition share (%): 13.92%RI, Public bridges in inventory (thousands): 0.8k · Poor-condition share (%): 15.2%SD, Public bridges in inventory (thousands): 5.9k · Poor-condition share (%): 16.36%TN, Public bridges in inventory (thousands): 20.4k · Poor-condition share (%): 4.41%TX, Public bridges in inventory (thousands): 56.7k · Poor-condition share (%): 1.23%UT, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 2.91%VT, Public bridges in inventory (thousands): 2.9k · Poor-condition share (%): 2.9%VI, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 29.17%VA, Public bridges in inventory (thousands): 14.1k · Poor-condition share (%): 3.39%WA, Public bridges in inventory (thousands): 8.5k · Poor-condition share (%): 5.45%WV, Public bridges in inventory (thousands): 7.3k · Poor-condition share (%): 18.64%WI, Public bridges in inventory (thousands): 14.4k · Poor-condition share (%): 6.52%WY, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 6.51%
Inventory size and Poor-condition share are different measures: South Carolina has 9,490 bridges and a 6.2% Poor-condition share in the 2024 NBI, rank #28 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold.

South Carolina vs all states by public bridge inventory

Where this state's FHWA NBI public-highway bridge count sits among every state and territory on PlainBridges

9,490 26th of 54 higher than 28 of 54 states

States and territories, banded by public bridge inventory size

Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · 2024

Read the rank neighborhood for South Carolina

The highlighted point is South Carolina: 9,490 bridges and 6.17% in Poor condition, rank #28 of 54 jurisdictions ordered from the lowest share upward. The five jurisdictions immediately above and below South Carolina on that same Poor-share ordering:

  • New Jersey: 6,827 bridges · 6.01% Poor
  • Mississippi: 16,739 bridges · 6.03% Poor
  • South Carolina: 9,490 bridges · 6.17% Poor
  • Wyoming: 3,136 bridges · 6.51% Poor
  • Wisconsin: 14,446 bridges · 6.52% Poor

The full national sortable table lives on the rankings page.

Material families in South Carolina

Exclusive FHWA material families across all 9,490 bridges in this state; continuous variants fold into the parent family. Orthogonal to the Poor-share scatter above.

Who maintains South Carolina’s inventory

State agency holds 89.2% of the 9,490 public highway bridges filed under South Carolina in the 2024 NBI, the agency-of-record split for this state, not a condition verdict.

When South Carolina’s bridges were built

Pre-1950 construction accounts for 13.0% of the 9,490 bridges with a recorded original year in South Carolina. Era bands are orthogonal to the Poor-share ranking above.

Condition Distribution

South Carolina38.9%54.9%GoodFairPoor
Bridge inventory deck-condition mix - South Carolina (FHWA NBI)

Counties (46)

Abbeville 163 Aiken 198 Allendale 69 Anderson 463 Bamberg 80 Barnwell 76 Beaufort 72 Berkeley 216 Calhoun 64 Charleston 336 Cherokee 199 Chester 190 Chesterfield 199 Clarendon 170 Colleton 231 Darlington 174 Dillon 128 Dorchester 198 Edgefield 124 Fairfield 139 Florence 277 Georgetown 113 Greenville 635 Greenwood 144 Hampton 113 Horry 479 Jasper 129 Kershaw 174 Lancaster 181 Laurens 259 Lee 91 Lexington 229 Marion 112 Marlboro 96 McCormick 68 Newberry 218 Oconee 215 Orangeburg 273 Pickens 291 Richland 361 Saluda 125 Spartanburg 638 Sumter 166 Union 131 Williamsburg 195 York 288

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.

NJ

New Jersey

6.01% top marginal rate
Structure
Progressive
Burden @ $100K
$6,827

MS

Mississippi

6.03% top marginal rate
Structure
Progressive
Burden @ $100K
$16,739
Selected

SC

South Carolina

6.17% top marginal rate
Structure
Progressive
Burden @ $100K
$9,490

WY

Wyoming

6.51% top marginal rate
Structure
Progressive
Burden @ $100K
$3,136

WI

Wisconsin

6.52% top marginal rate
Structure
Progressive
Burden @ $100K
$14,446

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.

C-42-1024

Poor

Over: PACOLET RIVER

1.0 MI NW OF CAMPOBELLO, Spartanburg, SC

Built 1932 Load: 0.0 t ADT: 275

C-4-3791

Poor

Over: CSX RAILROAD

1.0 MI S WILLIAMSTON, Anderson, SC

Built 1950 Load: 0.0 t ADT: 175

C-28-250

Poor

Over: LITTLE FLAT ROCK CK

13MI W OF CAMDEN, Kershaw, SC

Built 1950 Load: 0.0 t ADT: 200

S-41-164

Poor

Over: BR OF LITTLE SALUDA RV

5.5 MI NE OF SALUDA, Saluda, SC

Built 1952 Load: 0.0 t ADT: 25

C-11-92

Poor

Over: GILKEY CREEK

6.7 MI SE GAFFNEY, Cherokee, SC

Built 1954 Load: 0.0 t ADT: 125

C-11-331

Poor

Over: ABINGTON CREEK

8.8 MI SE GAFFNEY, Cherokee, SC

Built 1954 Load: 0.0 t ADT: 275

All Bridges in South Carolina

US 301 CON

Fair

Over: MILL CREEK

.25 MI N OF ALCOLU, Clarendon, SC

Built 1922 Load: 16.5 t ADT: 200

S-40-106

Fair

Over: VISTA GREENWAY

CITY OF COLUMBIA, Richland, SC

Built 1915 Load: 16.5 t ADT: 1,750

SC 10

Fair

Over: CSX R R

4.5 MI SW OF GREENWOOD, Greenwood, SC

Built 1932 Load: 16.5 t ADT: 2,100

SC 9

Fair

Over: SANDY RIVER

2.4MI W OF CHESTER, Chester, SC

Built 1937 Load: 16.5 t ADT: 3,700

S-15-158/FORKS RD

Fair

Over: DEEP CREEK

13.5 MI SW WALTERBORO, Colleton, SC

Built 1954 Load: 16.5 t ADT: 200

S-13-45

Fair

Over: ROCKY CREEK

4.3 MI SE JEFFERSON, Chesterfield, SC

Built 1955 Load: 16.5 t ADT: 550

S-29-161

Fair

Over: SIX MILE CREEK

4.7MI N VAN WYCK, Lancaster, SC

Built 1956 Load: 16.5 t ADT: 375

S-16-41

Fair

Over: FLAT CREEK

5MI S SOCIETY HILL, Darlington, SC

Built 1957 Load: 16.5 t ADT: 375

S-16-197

Fair

Over: LEVENWORTH BRANCH

7MI NE HARTSVILLE, Darlington, SC

Built 1957 Load: 16.5 t ADT: 100

S-26-19

Fair

Over: PLAY CARD SWAMP

7 MI W LORIS, Horry, SC

Built 1958 Load: 16.5 t ADT: 1,650

S-44-131

Fair

Over: SHARPE CREEK

8.4 MI NE UNION, Union, SC

Built 1958 Load: 16.5 t ADT: 125

S-45-40

Fair

Over: MILL CREEK

4.0 MI NE HEMINGWAY, Williamsburg, SC

Built 1958 Load: 16.5 t ADT: 750

S-45-249

Fair

Over: BR KINGSTREE SWP CANAL

4.0 MI N KINGSTREE, Williamsburg, SC

Built 1958 Load: 16.5 t ADT: 175

S-46-538

Fair

Over: BR WILDCAT CR

CITY OF ROCK HILL, York, SC

Built 1958 Load: 16.5 t ADT: 900

S-16-358

Fair

Over: DEEP HOLE SWAMP

4MI S LAMAR, Darlington, SC

Built 1959 Load: 16.5 t ADT: 200

SC 135

Fair

Over: TRIB CARPENTER CK (2)

8 MI NE OF PICKENS, Pickens, SC

Built 1959 Load: 16.5 t ADT: 3,300

S-13-110

Fair

Over: FORK BRANCH

2.5 MI W JEFFERSON, Chesterfield, SC

Built 1960 Load: 16.5 t ADT: 25

S-13-344

Fair

Over: WILSON BRANCH

C L CHERAW, Chesterfield, SC

Built 1960 Load: 16.5 t ADT: 125

S-13-585

Fair

Over: WILSON BRANCH

C L CHERAW, Chesterfield, SC

Built 1960 Load: 16.5 t ADT: 125

S-21-556

Fair

Over: BR OF LYNCHES LAKE

2MI NE LAKE CITY, Florence, SC

Built 1960 Load: 16.5 t ADT: 600

S-22-86

Fair

Over: CEDAR BRANCH

2MI S ANDREWS, Georgetown, SC

Built 1960 Load: 16.5 t ADT: 500

S-22-307

Fair

Over: PITTMAN BRANCH

5MI NE CHOPPEE, Georgetown, SC

Built 1960 Load: 16.5 t ADT: 250

S-26-129

Fair

Over: TREDWELL SWAMP

1 MI N AYNOR, Horry, SC

Built 1960 Load: 16.5 t ADT: 450

S-40-205

Fair

Over: SMITH BRANCH

2 MI N OF COLUMBIA, Richland, SC

Built 1960 Load: 16.5 t ADT: 2,400

S-45-221

Fair

Over: BR OF OX SWAMP

7.0 MI E LANE, Williamsburg, SC

Built 1960 Load: 16.5 t ADT: 375

S-45-259

Fair

Over: CLAPP SWAMP

6.0 MI NW KINGSTREE, Williamsburg, SC

Built 1960 Load: 16.5 t ADT: 275

S-13-80

Fair

Over: HARRIS CREEK

7.8 MI SE PATRICK, Chesterfield, SC

Built 1961 Load: 16.5 t ADT: 375

S-13-104

Fair

Over: BUFFALO CREEK

9 MI NW PAGELAND, Chesterfield, SC

Built 1961 Load: 16.5 t ADT: 700

S-13-162

Fair

Over: LONG BRANCH

1.5 MI SE JEFFERSON, Chesterfield, SC

Built 1961 Load: 16.5 t ADT: 150

S-35-33

Fair

Over: HERNDON BRANCH

3 MI NW BENNETTSVILLE, Marlboro, SC

Built 1961 Load: 16.5 t ADT: 100

S-35-356

Fair

Over: COTTINGHAM CREEK

2 MI E BENNETTSVILLE, Marlboro, SC

Built 1961 Load: 16.5 t ADT: 175

S-17-174

Fair

Over: MILL BRANCH

2MI SW LAKE VIEW, Dillon, SC

Built 1962 Load: 16.5 t ADT: 275

S-26-308

Fair

Over: JOINER SWAMP

5MI NE AYNOR, Horry, SC

Built 1962 Load: 16.5 t ADT: 150

S-26-308

Fair

Over: LOUSING SWAMP

5MI N AYNOR, Horry, SC

Built 1962 Load: 16.5 t ADT: 150

S-26-637

Fair

Over: IRON SPRING

2MI N GREEN SEA, Horry, SC

Built 1962 Load: 16.5 t ADT: 25

S-34-319

Fair

Over: BR LTTL PEE DEE RV

2MI SW NICHOLS, Marion, SC

Built 1962 Load: 16.5 t ADT: 275

S-34-321

Fair

Over: CRUTCHLOW BRANCH

2MI N NICHOLS, Marion, SC

Built 1962 Load: 16.5 t ADT: 100

S-45-30

Fair

Over: BLACK RIVER

7.0 MI SE KINGSTREE, Williamsburg, SC

Built 1962 Load: 16.5 t ADT: 950

S-45-122

Fair

Over: JOHNSONS SWAMP

4.0 MI W ANDREWS, Williamsburg, SC

Built 1962 Load: 16.5 t ADT: 225

S-45-288

Fair

Over: BURNETTS SWAMP

12.0 MI S HEMINGWAY, Williamsburg, SC

Built 1962 Load: 16.5 t ADT: 450

S-46-734

Fair

Over: BR TO CATAWBA RIVER

6.6 MI E ROCK HILL, York, SC

Built 1962 Load: 16.5 t ADT: 700

S-21-724

Fair

Over: MIDDLE BRANCH

9 MI E FLORENCE, Florence, SC

Built 1963 Load: 16.5 t ADT: 475

S-21-724

Fair

Over: LONG BRANCH

4 MI E FLORENCE, Florence, SC

Built 1963 Load: 16.5 t ADT: 800

S-26-266

Fair

Over: HONEY COMB BRANCH

9MI NE AYNOR, Horry, SC

Built 1963 Load: 16.5 t ADT: 175

S-35-29

Fair

Over: COTTINGHAM CREEK

4 MI S BENNETTSVILLE, Marlboro, SC

Built 1963 Load: 16.5 t ADT: 275

S-35-54

Fair

Over: WOLF CREEK

1.5 MI E WALLACE, Marlboro, SC

Built 1963 Load: 16.5 t ADT: 550

S-35-406

Fair

Over: WHITES CREEK

6 MI NE WALLACE, Marlboro, SC

Built 1963 Load: 16.5 t ADT: 50

S-45-160

Fair

Over: BR-POPLAR HILL BR

3.0 MI S HEMINGWAY, Williamsburg, SC

Built 1963 Load: 16.5 t ADT: 125

S-45-363

Fair

Over: BR-POPLAR HILL BR

2.0 MI S HEMINGWAY, Williamsburg, SC

Built 1963 Load: 16.5 t ADT: 125

C-4-908

Fair

Over: NEALS CR

5.5 MI SE OF ANDERSON, Anderson, SC

Built 1964 Load: 16.5 t ADT: 125

Showing 651-700 of 9,490 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

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.

What to do with this

Use South Carolina's inventory picture to drill to a county or a specific span.

  • Browse counties in South Carolina and open the highest-Poor shares first. County list
  • See where this state sits among peers on Poor-condition share. State rankings
  • Compare this state with another jurisdiction on the same measures. State compare

NBI condition ratings are inventory snapshots, not live crossing-safety verdicts.

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. South Carolina Good/Fair/Poor shares and county rollups on this page are computed from the same NBI extract as the national boards; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.