Did you know? The oldest bridge in the NBI was built in 1697.
Did you know? The oldest bridge in the NBI was built in 1697.
Total Bridges
2,542
Poor Condition
15.4%
Avg Sufficiency
62.5
Avg Age
55 yrs
Interactive map of bridges in Maine. Color indicates condition: green (good), yellow (fair), red (poor). Click a dot for details.
Total Bridges
2,542
Poor Condition
392(15.4%)
Good or Better
807
Avg Sufficiency
62.5
Average Age
55 yrs
Daily Crossings
10.6M
Click a column header to sort. Click a county name to view its bridges.
County | Total Bridges | Poor Condition % | Avg Sufficiency |
|---|---|---|---|
| Androscoggin County | 136 | 12.5% | 64.5 |
| Aroostook County | 231 | 11.7% | 63.0 |
| Cumberland County | 344 | 10.2% | 63.0 |
| Franklin County | 129 | 22.5% | 62.7 |
| Hancock County | 69 | 24.6% | 62.0 |
| Kennebec County | 190 | 12.6% | 61.8 |
| Knox County | 54 | 16.7% | 63.0 |
| Lincoln County | 63 | 11.1% | 63.0 |
| Oxford County | 253 | 17.8% | 61.3 |
| Penobscot County | 317 | 18.9% | 61.0 |
| Piscataquis County | 80 | 21.3% | 60.7 |
| Sagadahoc County | 64 | 9.4% | 62.9 |
| Somerset County | 173 | 23.1% | 61.1 |
| Waldo County | 92 | 16.3% | 61.0 |
| Washington County | 111 | 19.8% | 64.2 |
| York County | 236 | 9.3% | 64.6 |
The 10 bridges with the lowest sufficiency ratings in Maine.
over MAINE CENTRAL RAILROAD
over MAGALLOWAY RIVER
over KEZAR RIVER
over CROOKED RIVER
over BIG SPRING BROOK
over KATAHDIN BROOK
over LEMON STREAM
over BEAVER BROOK
over CROOKED RIVER
over PENOBSCOT RIVER OVERFLOW
The 10 bridges with the highest average daily traffic in Maine.
over BACK BAY (ATLANTIC O)
over ELIOT RD
over PISCATAQUA RIVER RTE 103
over DENNETT ROAD
over US1 Forest Ave
over NONESUCH RIVER
over ST JOHN STEET
over ST JAMES STREET
over PTRR
over FORE RIVER
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