| Route 1 over Sheepscot River | 1983 | 17,897 | Fair |
| Route 1 over Cod Cove | 1958 | 17,204 | Fair |
| Route 1 over Montsweag Brook | 1931 | 16,559 | Fair |
| Main St over Damariscotta River | 1952 | 14,450 | Fair |
| Atlantic Hwy over Medomak River | 1932 | 13,870 | Fair |
| Route 1 over Marsh River | 1962 | 13,710 | Fair |
| Atlantic Hwy over Smo RR (allens Siding) | 1997 | 12,960 | Good |
| Route 1 over Damariscotta River | 1961 | 9,650 | Fair |
| Route 1 over Academy Hl | 1961 | 8,260 | Fair |
| Route 1 over Ramp A | 1961 | 8,260 | Fair |
| Route 1 over Route 215 (mill Rd) | 1959 | 8,260 | Fair |
| Rockland Rd over East Branch Sheepscot | 1961 | 6,490 | Fair |
| Gardiner Rd over Eastern River | 1991 | 3,820 | Fair |
| Bristol Rd over Pemaquid River | 1950 | 3,610 | Fair |
| Hendricks Hill Rd over Townsend Gut/atlantic O | 1939 | 3,430 | Fair |
| Patterson Rd over Kennebec River | 2014 | 3,105 | Good |
| Waldoboro Rd over Davis Stream | 1995 | 3,032 | Good |
| Main St over Medomak River | 1968 | 2,880 | Fair |
| Grand Army Rd over Sheepscot River | 1935 | 2,241 | Poor |
| Mills Rd over Damariscotta River | 1957 | 2,197 | Fair |
| Friendship Rd over Slaigo Brook | 1953 | 1,907 | Fair |
| Biscay Rd over Pemaquid Pond Outlet | 2008 | 1,880 | Good |
| Alna Rd over Mill(polly Clark) Creek | 1936 | 1,751 | Fair |
| Barters Island Rd over Back River (tidal Pass) | 2011 | 1,660 | Good |
| Washington Rd over Medomak River | 1972 | 1,610 | Fair |
| Pond Rd over Damariscotta Lake Outlet | 1945 | 1,595 | Fair |
| Patterson Rd over Eastern River | 1936 | 1,550 | Poor |
| Main Rd over Cowsweag Narrows | 1974 | 1,490 | Fair |
| Cape Newagen Rd over Decker Cove (atlantic O) | 2020 | 1,410 | Good |
| Barters Island Rd over Back River | 1983 | 1,370 | Fair |
| State Route 129 over the Gut | 2016 | 1,363 | Good |
| Jones Woods Rd over Dyer River | 1955 | 1,181 | Poor |
| Sheepscot Rd over Sheepscot River | 2006 | 1,153 | Good |
| Sheepscot Rd over Sheepscott*river | 2006 | 1,153 | Fair |
| Washington Rd over W.br.davis Stream | 1933 | 1,090 | Fair |
| Manktown Rd over Levensalor Brook | 1959 | 1,058 | Fair |
| Alna Rd over Carlton (trout) Brook | 1931 | 987 | Fair |
| Belvedere Rd over Oyster Creek | 2009 | 984 | Good |
| River Rd over Eastern River | 1955 | 928 | Fair |
| Main St over Sheepscot River | 1921 | 883 | Fair |
| Old Augusta Rd over Medomak River | 1970 | 720 | Fair |
| E River Rd over Sheepscot River | 1946 | 716 | Fair |
| Patrick Town Rd over Sheepscot River | 1948 | 623 | Fair |
| Sawyer Island Rd over Back River (atlantic O) | 1959 | 590 | Fair |
| Head Tide Rd over Sheepscot River | 1949 | 528 | Fair |
| Mill St over Medomak River | 1952 | 516 | Fair |
| Upper Round Pond R over Pemaquid River | 2019 | 480 | Good |
| Dock Rd over Sheepscot River | 1936 | 356 | Poor |
| Cross St over Medomak River | 2018 | 330 | Good |
| S Hunts Meadow Rd over W Br Eastern River | 2022 | 312 | Good |
| Wagner Bridge Rd over Meadomak River | 1982 | 284 | Fair |
| Old Sheepscot Rd over Polly Clark(mill) Creek | 1995 | 235 | Fair |
| Somerville Rd over Sheepscot River | 1953 | 228 | Fair |
| Mill Rd over Back River (parsons Crk) | 1960 | 210 | Fair |
| Goose Hill Rd over Davis Str | 2011 | 208 | Good |
| Pratts Island Rd over Tide Water | 2013 | 160 | Good |
| Clarks Point Rd over Tidewater | 1950 | 128 | Fair |
| Lower Dyer Neck over Dyer River | 1988 | 120 | Fair |
| County Rd over Dyer Brook | 2009 | 98 | Poor |
| Heath Rd over Smelts Brook | 2018 | 90 | Good |
| Gore Rd over Deadwater Stream | 2005 | 62 | Poor |
| Redonnot Mill Rd over Pemaquid River | 2019 | 20 | Fair |
| Trails End Road over Mdot Railroad | 1933 | – | Poor |