Bridge Condition Trends in Maine
Between 2015 and 2025, bridge conditions in Maine have worsened. The share of bridges rated poor went from 14.3% to 15.4% — a change of 1.1 percentage points.
Condition Summary
| Year | Total | Good | Fair | Poor | Poor % |
|---|---|---|---|---|---|
| 2015 | 2,431 | 761 | 1,319 | 348 | 14.3% |
| 2020 | 2,472 | 726 | 1,431 | 315 | 12.7% |
| 2025 | 2,542 | 637 | 1,513 | 392 | 15.4% |
Most Improved Counties in Maine
| County | Poor % (2015) | Poor % (2025) | Change |
|---|---|---|---|
| Knox | 22.9% | 16.7% | -6.2 pp |
| Washington | 23.5% | 19.8% | -3.7 pp |
| Oxford | 18.4% | 17.8% | -0.6 pp |
| Sagadahoc | 9.5% | 9.4% | -0.1 pp |
Counties Where Conditions Worsened
| County | Poor % (2015) | Poor % (2025) | Change |
|---|---|---|---|
| Penobscot | 12.5% | 18.9% | +6.4 pp |
| Somerset | 17.4% | 23.1% | +5.8 pp |
| Franklin | 17.1% | 22.5% | +5.4 pp |
| Waldo | 11.1% | 16.3% | +5.2 pp |
| Piscataquis | 16.2% | 21.2% | +5.0 pp |
| Androscoggin | 10.9% | 12.5% | +1.6 pp |
| Aroostook | 10.4% | 11.7% | +1.3 pp |
| Cumberland | 9.1% | 10.2% | +1.1 pp |
| Lincoln | 10.0% | 11.1% | +1.1 pp |
| York | 8.5% | 9.3% | +0.8 pp |