| 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 |
| Route 1 over Taunton River | 1999 | 7,522 | Good |
| Stanley Brook Road over Stanley Brook | 1928 | 6,816 | Fair |
| Route 1 over Flanders Stream | 1927 | 6,480 | Fair |
| Little Deer Isle R over Eggemoggin Reach | 1939 | 4,800 | Fair |
| Main St over Kebo Brook | 1945 | 4,415 | Fair |
| Paradise Hill Road over Duck Brook | 1960 | 3,939 | Fair |
| Paradise Hill Road over Duck Brook Road | 1951 | 3,939 | Good |
| Paradise Hill Road over Maine Route 233 | 1951 | 3,939 | Good |
| Airline Rd over Half Mile Pond Brook | 2021 | 3,850 | Good |
| Tremont Rd over Marsh Brook | 1931 | 3,767 | Fair |
| Airline Rd over West Branch Union River | 1973 | 3,693 | Fair |
| Airline Rd over Middle Br Union River | 1982 | 3,314 | Fair |
| Peabody Dr over Stanley Brook | 2011 | 2,903 | Good |
| Peabody Dr over Little Harbor Brook | 1978 | 2,688 | Poor |
| N Stonington Rd over Mill Pond Outlet | 2023 | 2,644 | Good |
| Mariaville Rd over No Name Stream | 2013 | 2,567 | Good |
| Tremont Rd over Cousins Creek | 1969 | 2,418 | Fair |
| Mariaville Rd over Reeds Brk/graham Lake In | 1948 | 2,328 | Poor |
| Castine Rd over Orland River | 2009 | 2,180 | Good |
| Southern Bay Rd over Winslow Stream | 1936 | 2,051 | Poor |
| Lower Dedham Rd over Phillips Lake Outlet | 1983 | 2,030 | Poor |
| Upper Falls Rd over Narramissic River | 2003 | 1,921 | Fair |
| Falls Bridge Road over Salt Pond Outlet | 1926 | 1,867 | Fair |
| Christian Ridge Rd over Branch Pd Str. | 1959 | 1,727 | Fair |
| State Route 46 over Moosehorn Creek | 1935 | 1,716 | Poor |
| Bridge Rd over Bagaduce Falls(tidal) | 2005 | 1,274 | Good |
| State Route 46 over Stubbs Brook | 1938 | 1,263 | Fair |
| Maine Route 3 over One-way Loop Road Near D | 1956 | 1,214 | Fair |
| Maine Route 3 over One-way Loop Road Near S | 1940 | 1,214 | Fair |
| One-way Park Loop over Otter Cove Creek | 1938 | 1,214 | Good |
| Park Loop Road over Abandoned Wildwood Entra | 1939 | 1,214 | Fair |
| Park Loop Road over Kebo Brook | 1928 | 1,214 | Good |
| Tremont Rd over Seal Cove Pd Outlet | 1969 | 1,090 | Fair |
| Waltham Rd over Webb Brook | 1935 | 1,073 | Fair |
| Oceanville Rd over Oceanville Thoroughfare | 1940 | 1,047 | Poor |
| N Bend Rd over Outlet Patten Pond | 1966 | 903 | Fair |
| Inv 0901468 Rd over Blue Hill Bay | 1997 | 874 | Fair |
| Toddy Pond Rd over Meadow Brook | 1940 | 831 | Poor |
| E Blue Hill over Mcheards Cove | 1956 | 756 | Poor |
| Reach Rd over Benjamin River | 2018 | 720 | Good |
| Mariaville Rd over Tannery Brook | 1937 | 688 | Poor |
| Bucks Mills Rd over Stubbs Brook | 1937 | 671 | Fair |
| Duck Cove Rd over Stubbs Brook | 1958 | 669 | Fair |
| Hog Bay Rd over Card Mill Stream | 1941 | 616 | Fair |
| Low Rd over Lunt Harbor | 1988 | 528 | Fair |
| Tourtelotte Ridge over Union River | 1935 | 515 | Fair |
| Ledgelawn Av over Cromwell Brook | 1945 | 489 | Poor |
| Bald Mountain Rd over Moosehorn Creek | 1951 | 291 | Poor |
| Jordan Pond Road over Carriage Road | 1932 | 288 | Good |
| Schoodic Loop Road over Frazer Creek | 1958 | 275 | Fair |
| Mariaville Rd over W.br. Union River | 2017 | 221 | Good |
| Guzzle Rd over West Bay Stream | 1980 | 126 | Poor |
| Dority Farm Rd over Tannery Brook | 2017 | 64 | Good |
| Tannery Loop over Indian Camp Brook | 1970 | 63 | Fair |
| Upper Long Pond Rd over Moosehorn Stream | 2009 | 58 | Fair |
| Tannery Loop Rd over West Branch Union River | 1956 | 54 | Poor |
| Goose Falls Rd over Goose Falls(tidal Estu) | 1949 | 44 | Poor |
| Irr Pistol Lake Rd over Pistol Stream | 1990 | 5 | Fair |
| Ferry Dock Rd over Mackerel Cove | 1997 | – | Fair |