Bridge conditions in Hancock County, Maine
69 inventoried bridges · 17 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Hancock County has 17 bridges rated poor out of 69 inventoried, a 24.6% share that puts it well above the national rate of about 7%.
- 17 of the 69 bridges in Hancock County, Maine, are rated in poor condition (24.6%) in the 2025 National Bridge Inventory, as of .
- 16 bridges (23.2%) are rated good and 36 (52.2%) fair.
- The median Hancock County bridge was built in 1958.
- The busiest poor-rated bridge is Main St over Union River (built 1923), carrying about 16,449 vehicles a day.
Good 23.2% · Fair 52.2% · Poor 24.6% of 69 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 |
|---|---|---|---|
| Main St over Union River | 1923 | 16,449 | Poor |
| Main St over Mill Stream | 1923 | 9,693 | Poor |
| Route 1 over Carrying Place | 1930 | 9,100 | Poor |
| Peabody Dr over Little Harbor Brook | 1978 | 2,688 | Poor |
| Mariaville Rd over Reeds Brk/graham Lake In | 1948 | 2,328 | Poor |
| Southern Bay Rd over Winslow Stream | 1936 | 2,051 | Poor |
| Lower Dedham Rd over Phillips Lake Outlet | 1983 | 2,030 | Poor |
| State Route 46 over Moosehorn Creek | 1935 | 1,716 | Poor |
| Oceanville Rd over Oceanville Thoroughfare | 1940 | 1,047 | Poor |
| Toddy Pond Rd over Meadow Brook | 1940 | 831 | Poor |
| E Blue Hill over Mcheards Cove | 1956 | 756 | Poor |
| Mariaville Rd over Tannery Brook | 1937 | 688 | Poor |
| Ledgelawn Av over Cromwell Brook | 1945 | 489 | Poor |
| Bald Mountain Rd over Moosehorn Creek | 1951 | 291 | Poor |
| Guzzle Rd over West Bay Stream | 1980 | 126 | Poor |
| Tannery Loop Rd over West Branch Union River | 1956 | 54 | Poor |
| Goose Falls Rd over Goose Falls(tidal Estu) | 1949 | 44 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Main St over Union River | 1923 | 16,449 | Poor |
| Bangor Rd over Union River | 1981 | 15,759 | Fair |
| Bar Harbor Rd over Mt Desert Narrows | 1958 | 15,122 | Fair |
| Route 1 over Kilkenny St | 2000 | 12,782 | Good |
| Maine Route 233 over Hulls Cove Road | 1928 | 12,768 | Fair |
| Main Rd over M C RR | 1973 | 10,891 | Fair |
| Route 1 over Penobscot Riv (E Chan) | 1988 | 10,092 | Fair |
| Main St over Mill Stream | 1923 | 9,693 | Poor |
| Route 1 over Carrying Place | 1930 | 9,100 | Poor |
| Acadia Hwy over Narramissic River | 1961 | 8,056 | 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.