Bridge conditions in York County, Maine
236 inventoried bridges · 22 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 236 bridges in York County: 77 rated good, 137 fair, and 22 poor.
- 22 of the 236 bridges in York County, Maine, are rated in poor condition (9.3%) in the 2025 National Bridge Inventory, as of .
- 77 bridges (32.6%) are rated good and 137 (58.1%) fair.
- The median York County bridge was built in 1979.
- The busiest poor-rated bridge is Alfred Rd over Mousam River (built 1958), carrying about 14,260 vehicles a day.
Good 32.6% · Fair 58.1% · Poor 9.3% of 236 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Alfred Rd over Mousam River | 1958 | 14,260 | Poor |
| One St over Piscataqua River | 1938 | 10,523 | Poor |
| Narragansett Trl over Saco River | 1948 | 8,158 | Poor |
| Dover-eliot Rd over Salmon Falls River | 1969 | 5,800 | Poor |
| Buxton Road over Saco River | 1936 | 4,526 | Poor |
| Alewive Rd over Kennebunk River | 1932 | 4,490 | Poor |
| Seaside Av over Goose Fare Creek | 1948 | 2,930 | Poor |
| Sokokis Trl over Little River | 1979 | 2,630 | Poor |
| Sokokis Av over Webster Mill Pond | 1932 | 2,080 | Poor |
| Route 11 over Pump Box Brook | 1918 | 1,900 | Poor |
| Little River Rd over Bog Brook | 1989 | 1,838 | Poor |
| Downing Rd over Kennebunk River | 1988 | 1,810 | Poor |
| Deering Ridge Rd over Mousam River | 1950 | 1,793 | Poor |
| Hubbard Rd over Keay Brook | 2004 | 1,610 | Poor |
| Emerys Bridge Rd over Great Works River | 1891 | 1,170 | Poor |
| Parsons Beach Rd over Back Creek | 1945 | 662 | Poor |
| Milton Mills Rd over Salmon Falls River | 1922 | 445 | Poor |
| Walker Rd over Carlisle Brook | 1939 | 400 | Poor |
| Mann Rd over Norton (davis) Brook | 1982 | 330 | Poor |
| Diamond Hill Rd over Little River | 1985 | 220 | Poor |
| Ridlon Rd over Little River | 1940 | 60 | Poor |
| Lord Rd over Little Rivers | 1923 | 30 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 95 over Eliot Rd | 1972 | 41,190 | Fair |
| I-95 over Dennett Road | 1971 | 40,420 | Fair |
| I 95 over Piscataqua River Rte 103 | 1971 | 40,420 | Fair |
| I-95(SB) over Saco River | 1948 | 35,170 | Fair |
| I-95 (NB) over Saco River | 1947 | 34,410 | Fair |
| I-95 SB & NB over Spruce Creek | 1947 | 31,420 | Fair |
| I-95 (SB) over York River | 1946 | 30,330 | Fair |
| I- 95 (NB) over York River | 1946 | 29,680 | Fair |
| Alfred Rd-rte 111 over I-95 | 1994 | 27,445 | Fair |
| I-95(SB) over Kennebunk River | 1948 | 27,380 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Maine: Maine bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.