Bridge Condition Trends in South Carolina
Between 2015 and 2025, bridge conditions in South Carolina have improved. The share of bridges rated poor went from 9.2% to 6.3% — a change of -2.8 percentage points.
Condition Summary
| Year | Total | Good | Fair | Poor | Poor % |
|---|---|---|---|---|---|
| 2015 | 9,344 | 4,250 | 4,238 | 856 | 9.2% |
| 2020 | 9,455 | 4,136 | 4,574 | 745 | 7.9% |
| 2025 | 9,504 | 3,568 | 5,334 | 602 | 6.3% |
Most Improved Counties in South Carolina
| County | Poor % (2015) | Poor % (2025) | Change |
|---|---|---|---|
| Lee | 15.7% | 2.2% | -13.5 pp |
| Jasper | 10.5% | 1.6% | -8.9 pp |
| Lancaster | 18.2% | 9.3% | -8.8 pp |
| Kershaw | 11.7% | 4.0% | -7.7 pp |
| Dorchester | 9.4% | 2.0% | -7.4 pp |
| Abbeville | 9.9% | 2.5% | -7.4 pp |
| Aiken | 17.2% | 10.1% | -7.1 pp |
| Edgefield | 10.8% | 4.1% | -6.7 pp |
| Colleton | 8.7% | 2.6% | -6.1 pp |
| Richland | 10.7% | 4.6% | -6.1 pp |
Counties Where Conditions Worsened
| County | Poor % (2015) | Poor % (2025) | Change |
|---|---|---|---|
| Oconee | 4.8% | 12.6% | +7.8 pp |
| Pickens | 5.6% | 12.1% | +6.4 pp |
| Marion | 2.7% | 8.9% | +6.2 pp |
| Dillon | 6.6% | 10.9% | +4.3 pp |
| Spartanburg | 6.4% | 10.1% | +3.7 pp |
| Florence | 0.4% | 3.6% | +3.3 pp |
| Williamsburg | 3.2% | 6.2% | +3.0 pp |
| Marlboro | 4.2% | 7.2% | +3.0 pp |
| Darlington | 3.7% | 6.4% | +2.7 pp |
| Union | 13.5% | 15.9% | +2.4 pp |