| Searsport Av over Passagassawaukeag + RR | 1963 | 18,553 | Fair |
| Searsport Av over Goose River | 2021 | 12,663 | Good |
| Route 1 Byp over Route 3 (belmont Av) | 1973 | 7,983 | Fair |
| Atlantic Hwy over Little River | 1944 | 7,764 | Poor |
| N Main St over Mill Stream (cove Brook) | 1979 | 7,491 | Fair |
| Atlantic Hwy over Frohock Brook | 2004 | 6,734 | Good |
| Route 1 over Stower Brook | 2020 | 6,180 | Good |
| Atlantic Hwy over Ducktrap River | 1999 | 5,937 | Fair |
| Main Rd N over Marsh Stream | 1927 | 5,810 | Fair |
| Waldo Av over US 1 & 3 | 1963 | 5,516 | Fair |
| Bangor Rd over Colson Stream | 1935 | 5,459 | Poor |
| Route Three over Sheepscot River | 1974 | 4,875 | Fair |
| Swan Lake Av over Goose River | 1953 | 4,806 | Poor |
| Belfast Augusta Rd over Saint George River | 1930 | 4,801 | Fair |
| Waterville Rd over Passagassawaukeag Rv | 1932 | 4,612 | Fair |
| High St over US 1 & 3 | 1963 | 4,496 | Fair |
| Route 1 over Penobscot River(s chan) | 2007 | 4,292 | Good |
| Acadia Hwy over Kingdom Brook | 1958 | 4,173 | Poor |
| Swan Lake Av over Goose River | 1991 | 3,655 | Fair |
| Main St over Sandy Stream | 1948 | 3,572 | Fair |
| Belfast Rd over Half Moon Stream | 1929 | 3,404 | Fair |
| School St over Sandy Stream | 1927 | 3,362 | Fair |
| Lincolnville Av over Little River | 1955 | 3,173 | Fair |
| Main St N over Saint George River | 2010 | 2,977 | Good |
| Main St N over Quatabacook Lake Outlet | 1941 | 2,837 | Fair |
| Veterans Hwy over Marsh Stream | 1928 | 2,774 | Fair |
| Mount View Rd over Half Moon Stream | 1971 | 2,553 | Fair |
| S Main St over Johnson Brook | 1932 | 2,161 | Poor |
| Fort Knox Rd over Carley Brook | 1979 | 1,796 | Fair |
| N Searsport Rd over Goose River | 2010 | 1,612 | Good |
| Poors Mill Rd over Warren Brook | 2020 | 1,565 | Good |
| N Searsport Rd over Meadow Stream | 1951 | 1,481 | Fair |
| City Point Rd over Passagassawakeag River | 1969 | 1,471 | Fair |
| Troy Rd over Sebasticook River | 1950 | 1,343 | Fair |
| E Main St over N. Branch Marsh Stream | 1949 | 1,292 | Fair |
| Troy Rd over 25 Mile Stream | 1921 | 1,263 | Poor |
| Swan Lake Av over Marsh Stream | 1948 | 1,209 | Fair |
| Purple Heart Hwy over Stantial Brook | 1954 | 1,122 | Fair |
| Moosehead Trl over Great Farm Brook | 2022 | 1,081 | Good |
| Loggin Rd over Marsh Stream | 1951 | 1,051 | Fair |
| Herrick Rd over Little River | 2010 | 1,009 | Good |
| Prairie Rd over Unity Pd OUTLET/25MI Str | 1927 | 1,008 | Fair |
| Poors Mill Rd over Passagassawaukeag River | 1955 | 988 | Fair |
| Poors Mill Rd over Passagassawaukeag River | 1928 | 956 | Fair |
| Searsmont Rd over Merservey Brook | 2014 | 946 | Good |
| Hawes Bridge Rd over Hawes Stream | 1959 | 898 | Fair |
| Detroit Rd over Carlton Stream | 1956 | 809 | Fair |
| St Rte 173 over West Penobscot Bay | 2009 | 798 | Fair |
| Monroe Hwy over Styles Brook | 1991 | 788 | Fair |
| Doak Rd over Passagassawaukeag River | 1979 | 767 | Good |
| Isleboro Ferry Sl. over Gilkey Harbor | 2009 | 742 | Fair |
| Trues Pond Rd over Sucker Mill Pond | 1932 | 735 | Fair |
| Lang Hill Hwy over Marsh Stream | 1929 | 704 | Fair |
| Mill Creek Rd over Mill Creek | 2013 | 690 | Good |
| Burnham Rd over Carlton Stream | 1955 | 683 | Fair |
| Woodmans Mill Rd over St. George River | 1930 | 683 | Fair |
| Marsh Stream Rd over Meadow Stream | 2007 | 620 | Fair |
| Stevens Pond Rd over St. George River | 1939 | 604 | Poor |
| Woodmans Mill Rd over St. George River | 1948 | 583 | Fair |
| Town Farm Rd over Sandy Stream | 1950 | 520 | Fair |
| Church St over Route US 1 & Route 3 | 2012 | 453 | Good |
| Moody Rd over Marsh Stream | 1963 | 420 | Fair |
| Shepard Rd over Passagassawakeag River | 1935 | 420 | Poor |
| Stream Rd over Marsh Stream | 1936 | 420 | Fair |
| Cape Jellison Rd over Tidal Inlet | 1935 | 406 | Fair |
| Birches Rd over Passagassawaukeag River | 1955 | 402 | Good |
| Kaler Rd over Wescot Stream | 1976 | 333 | Fair |
| E Waldo Rd over Wescott Stream | 1998 | 332 | Fair |
| Pleasant St over Sandy Stream | 1927 | 305 | Fair |
| Mount Rd over Sebasticook River | 1973 | 290 | Fair |
| Village Rd over Great Farm Brook | 1941 | 276 | Poor |
| Back Brooks Rd over So Br Marsh River | 1939 | 263 | Fair |
| Village Rd over North Branch Marsh Strea | 1941 | 210 | Fair |
| Stevens Rd over Sandy Stream | 1959 | 192 | Fair |
| Jackson Rd over N. Br. Marsh Stream | 1955 | 186 | Fair |
| Shore Rd over Shaws Hill Stream | 2016 | 185 | Good |
| Green Valley Rd over Main Stream | 1977 | 180 | Poor |
| Burnham Hill Rd over Sheepscot River | 1965 | 171 | Poor |
| Gore Rd over Sheepscot River | 1964 | 165 | Fair |
| W Appleton Rd over St. George River | 1926 | 152 | Fair |
| Savage Rd over Passagassawakeag River | 1996 | 117 | Fair |
| Hatch Rd over Main Stream | 1945 | 89 | Fair |
| Ghent Rd over St.george River | 1954 | 71 | Fair |
| Brown Rd over Marsh River | 1975 | 63 | Fair |
| Upper Hostile Vall over Sheepscot River | 1945 | 41 | Fair |
| Berry Rd over Hall Brook | 2000 | 40 | Fair |
| Magog Rd over Jam Brook | 2013 | 40 | Fair |
| Pond Rd N over Bartlett Stream | 1986 | 39 | Fair |
| Berry Rd over Sandy Stream | 1964 | 30 | Poor |
| Peavey Town Rd over Sheepscot River | 1935 | 29 | Poor |
| Weed Rd over Sandy Stream | 1928 | 28 | Poor |
| Ripley Corner Rd over St. George River | 1950 | 14 | Poor |