Bridge Condition Trends in Washington
Between 2015 and 2025, bridge conditions in Washington have worsened. The share of bridges rated poor went from 4.3% to 5.6% — a change of 1.2 percentage points.
Condition Summary
| Year | Total | Good | Fair | Poor | Poor % |
|---|---|---|---|---|---|
| 2015 | 8,158 | 4,318 | 3,486 | 354 | 4.3% |
| 2020 | 8,338 | 4,309 | 3,613 | 416 | 5.0% |
| 2025 | 8,520 | 4,343 | 3,704 | 473 | 5.6% |
Most Improved Counties in Washington
| County | Poor % (2015) | Poor % (2025) | Change |
|---|---|---|---|
| Asotin | 8.0% | 0.0% | -8.0 pp |
| Clallam | 8.5% | 5.2% | -3.2 pp |
| Skagit | 3.3% | 2.3% | -0.9 pp |
| Cowlitz | 4.6% | 3.7% | -0.9 pp |
| Pierce | 5.4% | 4.6% | -0.8 pp |
| Lincoln | 6.9% | 6.1% | -0.7 pp |
| Mason | 3.3% | 2.9% | -0.4 pp |
| Wahkiakum | 2.9% | 2.7% | -0.2 pp |
| Kitsap | 1.0% | 0.8% | -0.1 pp |