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Hawaii 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
- 1,180
- Good condition
- 39.1%
- 461
- Poor condition
- 5.7%
- 67
- Weight-limited or closed
- 206
Bridges by county
| County | Bridges | Good | Poor | Weight-limited | Avg. year built |
|---|---|---|---|---|---|
| Hawaii County | 231 | 43.3% | 3.5% (8) | 43 | 1957 |
| Honolulu County | 676 | 40.2% | 5.9% (40) | 67 | 1963 |
| Kalawao County | 1 | 0% | 0% (0) | 0 | 1982 |
| Kauai County | 85 | 27.1% | 7.1% (6) | 18 | 1958 |
| Maui County | 187 | 35.3% | 7% (13) | 73 | 1959 |
Frequently asked questions
- How many bridges in Hawaii are in poor condition?
- In the 2025 National Bridge Inventory, 67 of 1,180 highway bridges in Hawaii were rated poor (5.7% of rated bridges).
- Which Hawaii counties have the most bridges in poor condition?
- Among counties with at least 30 bridges, the highest shares rated poor are Kauai County (7.1%), Maui County (7%), Honolulu County (5.9%), Hawaii County (3.5%).
Source: Federal Highway Administration, National Bridge Inventory · 2025 data