Checked
Massachusetts 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
- 5,311
- Good condition
- 24.3%
- 1,291
- Poor condition
- 9.4%
- 501
- Weight-limited or closed
- 503
Bridges by county
| County | Bridges | Good | Poor | Weight-limited | Avg. year built |
|---|---|---|---|---|---|
| Barnstable County | 107 | 32.7% | 3.7% (4) | 17 | 1966 |
| Berkshire County | 450 | 31.6% | 11.6% (52) | 58 | 1961 |
| Bristol County | 387 | 29.5% | 7% (27) | 14 | 1962 |
| Dukes County | 5 | 80% | 0% (0) | 1 | 2006 |
| Essex County | 397 | 15.4% | 16.6% (66) | 25 | 1957 |
| Franklin County | 314 | 31.5% | 12.4% (39) | 45 | 1964 |
| Hampden County | 429 | 15.2% | 7.5% (32) | 39 | 1956 |
| Hampshire County | 258 | 24% | 9.7% (25) | 42 | 1959 |
| Middlesex County | 821 | 20.7% | 11.1% (91) | 67 | 1958 |
| Nantucket County | 2 | 0% | 0% (0) | 2 | 1964 |
| Norfolk County | 343 | 24.2% | 6.1% (21) | 11 | 1962 |
| Plymouth County | 288 | 28.5% | 5.9% (17) | 24 | 1960 |
| Suffolk County | 490 | 22.4% | 10% (49) | 27 | 1967 |
| Worcester County | 1,020 | 25.9% | 7.6% (78) | 87 | 1963 |
Frequently asked questions
- How many bridges in Massachusetts are in poor condition?
- In the 2025 National Bridge Inventory, 501 of 5,311 highway bridges in Massachusetts were rated poor (9.4% of rated bridges).
- Which Massachusetts counties have the most bridges in poor condition?
- Among counties with at least 30 bridges, the highest shares rated poor are Essex County (16.6%), Franklin County (12.4%), Berkshire County (11.6%), Middlesex County (11.1%), Suffolk County (10%).
Source: Federal Highway Administration, National Bridge Inventory · 2025 data