Checked
Delaware Bridge Conditions
Highway bridges longer than 20 feet in the 2025 National Bridge Inventory
Yearly inspection ratings. A poor rating does not mean a bridge is unsafe to use.
- Highway bridges
- 874
- Good condition
- 43%
- 376
- Poor condition
- 1.1%
- 10
- Weight-limited or closed
- 24
Bridges by county
| County | Bridges | Good | Poor | Weight-limited | Avg. year built |
|---|---|---|---|---|---|
| Kent County | 192 | 55.2% | 1% (2) | 6 | 1983 |
| New Castle County | 528 | 39.6% | 0.9% (5) | 10 | 1977 |
| Sussex County | 154 | 39.6% | 1.9% (3) | 6 | 1974 |
Frequently asked questions
- How many bridges in Delaware are in poor condition?
- In the 2025 National Bridge Inventory, 10 of 874 highway bridges in Delaware were rated poor (1.1% of rated bridges).
- Which Delaware counties have the most bridges in poor condition?
- Among counties with at least 30 bridges, the highest shares rated poor are Sussex County (1.9%), Kent County (1%), New Castle County (0.9%).
Source: Federal Highway Administration, National Bridge Inventory · 2025 data