Bridge Condition Trends in Louisiana
Between 2015 and 2025, bridge conditions in Louisiana have improved. The share of bridges rated poor went from 12.7% to 11.2% — a change of -1.5 percentage points.
Condition Summary
| Year | Total | Good | Fair | Poor | Poor % |
|---|---|---|---|---|---|
| 2015 | 13,012 | 6,720 | 4,628 | 1,658 | 12.7% |
| 2020 | 12,853 | 6,178 | 5,041 | 1,634 | 12.7% |
| 2025 | 12,684 | 4,802 | 6,459 | 1,423 | 11.2% |
Most Improved Counties in Louisiana
| County | Poor % (2015) | Poor % (2025) | Change |
|---|---|---|---|
| Jefferson | 10.0% | 4.2% | -5.8 pp |
| St. Martin | 13.3% | 8.5% | -4.8 pp |
| St. Bernard | 10.5% | 6.4% | -4.1 pp |
| East Carroll | 18.9% | 16.4% | -2.5 pp |
| Lincoln | 14.8% | 12.9% | -1.9 pp |
| Bossier | 16.8% | 15.2% | -1.6 pp |
| Richland | 11.3% | 9.8% | -1.5 pp |
| Madison | 7.8% | 6.7% | -1.0 pp |
| West Carroll | 7.3% | 6.8% | -0.5 pp |
| St. James | 4.0% | 3.8% | -0.2 pp |
Counties Where Conditions Worsened
| County | Poor % (2015) | Poor % (2025) | Change |
|---|---|---|---|
| Cameron | 11.1% | 24.1% | +13.0 pp |
| Concordia | 2.4% | 14.3% | +11.8 pp |
| Bienville | 17.3% | 27.9% | +10.6 pp |
| West Feliciana | 6.9% | 16.7% | +9.8 pp |
| Iberville | 4.1% | 12.5% | +8.4 pp |
| Tangipahoa | 4.3% | 12.4% | +8.1 pp |
| Plaquemines | 12.1% | 20.0% | +7.9 pp |
| East Feliciana | 15.9% | 23.7% | +7.8 pp |
| Acadia | 1.1% | 8.2% | +7.1 pp |
| Assumption | 6.2% | 13.2% | +7.1 pp |