| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
|---|---|---|---|---|---|---|---|
| Arch Bridge | Benner Road over Pemaquid River | Open to traffic | Stone arch | c.1857 | -- | -- | -- |
| Back River Bridge | Barters Island Road (SA 5) over Back River (Tidal Pass) | Replaced by a new bridge | Timber stringer | 1930 | 2011 | 14.1 | 535.1 |
| Back River Bridge | SA 5 over Back River | Open to traffic | Other | 1931 | -- | 55.1 | 288.1 |
| Carlton (Trout) Brook Bridge | Route 218 over Carlton (Trout) Brook | Open to traffic | Concrete tee beam | 1931 | -- | 24.9 | 27.9 |
| Damariscotta-New Castle Bridge (1952) | Us 1 B over Damariscotta River | Open to traffic | Steel stringer | 1952 | -- | 80.1 | 170.0 |
| Damariscotta-Newcastle Bridge (1905) | Acadamy Hill Street over Damariscotta River | Replaced by new bridge | Parker through truss | -- | -- | -- | -- |
| Damariscotta-Newcastle Bridge (Pre 1905) | Rt 1 B over Damariscotta River | Replaced by a new bridge | Timber stringer | -- | -- | -- | -- |
| Decker Cove Bridge | Sa 1 Rt 238 over Decker Cove | Open to traffic | Steel stringer | 1933 | -- | 44.9 | 195.9 |
| Dock Road Bridge | Dock Road over Sheepscot River | Open to traffic | Polygonal Warren pony truss | 1936 | -- | 99.1 | 105.0 |
| Eastern River Bridge | ME 197 over Eastern River | Open to traffic | Polygonal Warren through truss | 1936 | -- | 262.2 | 295.9 |
| Eastern River Bridge | 128 over Eastern River | Open to traffic | Steel stringer | 1955 | -- | 85.0 | 264.1 |
| Knickerbocker Bridge | Barters Island Rd. over Back River | Open to traffic | Beam | 2011 | -- | -- | 540.0 |
| Medomak River Bridge | Main Street over Medomak River | Open to traffic | Girder | 1968 | -- | 44.9 | 50.9 |
| Medomak River Bridge | Cross Street over Medomak River | Open to traffic | Slab | 1922 | -- | 19.0 | 85.0 |
| Medomak River Bridge | Mill Street over Medomak River | Open to traffic | Steel stringer | 1952 | -- | 73.2 | 77.1 |
| MERR - Lewis Hill Road Overpass | MERR over Lewis Hill Road (Tw) | Open to traffic | Pony/through plate girder | -- | -- | 27.9 | 32.2 |
| MERR - Marsh River Bridge | Maine Eastern over Marsh River | Open to traffic | Steel stringer | -- | -- | -- | -- |
| MERR - Medomak River Bridge | Railroad (MERR) over Medomak River | Open to traffic | Pratt through truss | -- | -- | -- | -- |
| MERR - Sheepscot River Bridge | Maine Eastern Railroad over Sheepscot River | Open to traffic | Parker through truss | -- | -- | -- | -- |
| Mill Street - Medomak River Circa 1920 | Mill Street over Medomak River | Replaced by a new bridge | Half-hip Pratt pony truss | -- | -- | -- | -- |
| Partridge Bridge | Route 126 over Sheepscot River | Open to traffic | Concrete rigid frame | 1935 | -- | 66.9 | 74.2 |
| Pemaquid River Bridge | Redonnot Mill Road over Pemaquid River | Open to traffic | Steel stringer | 1935 | -- | 22.0 | 24.9 |
| Richmond-Dresden Bridge | ME 197 over Kennebec River | Replaced by a new bridge | Through truss | 1931 | 2014 | 177.2 | 1238.9 |
| Sawyer's Island - Back River Bridge | Sawyer Island Road over Back River | Open to traffic | Steel stringer | 1959 | -- | 76.1 | 157.2 |
| South Bristol Bridge (1933) | 129 over The Gut | Replaced by a new bridge | Other | 1933 | -- | 78.1 | 78.1 |
| South Bristol Bridge (2016) | Maine Route 129 over The Gut | Open to traffic | Cable-stayed | 2016 | -- | -- | -- |
| Townsend Gut Bridge | ME 27 over Townsend Gut | Open to traffic | Other | 1939 | -- | 88.9 | 374.0 |
| Townsend Gut Bridge (Old) | Western Avenue over Townsend Gut | Replaced by a new bridge | Through truss | -- | 1939 | -- | -- |
| Trails End Road | Trails End Road over Mdot Railroad | Open to traffic | Timber stringer | 1933 | -- | 27.9 | 82.0 |
| West Branch Sheepscot River Bridge | Howe Road over West Branch Sheepscot River | Removed but not replaced | Girder | 1936 | 2017 | 41.0 | 76.1 |
| Westport Bridge | Route 144; Westport Bridge Road; Main Road over Cowsweag Narrows | Open to traffic | Steel stringer | 1974 | -- | 259.9 | 674.9 |
| WW&F - Sheepscot River Bridge | Wiscasset, Waterville & Farmington RR over Sheepscot River | Removed but not replaced | Whipple through truss | -- | 1933 | -- | 112.8 |