| Main ST over Middle River | Poor | 28.9 ft | 9,731 | 1930 |
| Route 1 over Chandler River | Poor | 119.8 ft | 4,513 | 1934 |
| Route 1 over Tunk Stream | Poor | 89.9 ft | 3,819 | 1962 |
| Main ST over Cross Cove | Poor | 59.4 ft | 2,861 | 1936 |
| Milbridge RD over Narraguagus Rv | Poor | 163.1 ft | 2,493 | 1935 |
| Washington ST over Lubec Narrows | Poor | 878.9 ft | 992 | 1962 |
| Charlotte RD over Round Pond Outlet | Poor | 34.1 ft | 821 | 1941 |
| S Main ST over Machias River (s Chan) | Poor | 76.8 ft | 800 | 1936 |
| N Main ST over Machias River (n Chan) | Poor | 153.5 ft | 800 | 1939 |
| Ridge Road over W Br Pleasant River | Poor | 39.0 ft | 673 | 1940 |
| Main ST over Pleasant River | Poor | 46.6 ft | 589 | 1920 |
| King ST over Dennys River | Poor | 64.6 ft | 547 | 1951 |
| Chases Mill RD over Gardiner Lake Outlet | Poor | 27.9 ft | 446 | 1952 |
| Mill ST over Harrington River | Poor | 34.1 ft | 421 | 1931 |
| ST RTE 6 over Little Tomah Stream | Poor | 20.0 ft | 410 | 1982 |
| Station RD over Cranberry Creek | Poor | 29.9 ft | 242 | 1952 |
| Meetinghouse RD over Pleasant River | Poor | 77.8 ft | 168 | 1936 |
| Village RD over Whitten Stream | Poor | 31.2 ft | 158 | 1927 |
| Saco RD over Pleasant River | Poor | 65.9 ft | 84 | 1936 |
| Station RD over Mill Stream | Poor | 26.2 ft | 84 | 1948 |
| Forest City RD over ST Croix River | Poor | 48.9 ft | 32 | 1928 |
| Phils Wy over Tunk Stream | Poor | 49.9 ft | 14 | 1940 |
| Route 1 over Pleasant River | Fair | 135.8 ft | 4,408 | 1961 |
| Route 1 over Whitten Brook | Fair | 23.3 ft | 3,590 | 1962 |
| US Highway 1a over Mill River | Fair | 66.9 ft | 3,461 | 1942 |
| US Highway 1a over Harrington River | Fair | 274.9 ft | 3,167 | 1976 |
| Main ST over East Machias River | Fair | 139.1 ft | 2,979 | 1902 |
| Airline RD over Machias River | Fair | 118.4 ft | 2,872 | 1971 |
| Airline RD over Narraguagus River | Fair | 68.2 ft | 2,872 | 1957 |
| Airline RD over East Machias River | Fair | 39.7 ft | 2,814 | 1973 |
| Main ST over Harrington River | Fair | 127.3 ft | 2,692 | 1968 |
| Main ST over ST Croix River | Fair | 382.2 ft | 2,560 | 1957 |
| Lubec RD over Orange River | Fair | 34.1 ft | 2,283 | 1951 |
| US 1 over Little River | Fair | 79.4 ft | 2,283 | 1956 |
| County RD over East Stream | Fair | 36.7 ft | 2,211 | 1919 |
| US 1 over Pennamaquam River | Fair | 169.0 ft | 2,093 | 1951 |
| Indian River RD over Indian River | Fair | 59.1 ft | 2,051 | 1921 |
| Main ST over Wapsaconhagan | Fair | 26.2 ft | 1,936 | 1930 |
| US 1 over Dennys River | Fair | 196.9 ft | 1,694 | 1955 |
| US 1 over New Hobart Stream | Fair | 167.0 ft | 1,559 | 1955 |
| Water ST over Pleasant River | Fair | 405.8 ft | 1,304 | 1981 |
| Rim RD over Machias River | Fair | 701.1 ft | 1,250 | 1972 |
| Springfield RD over Baskahegan Stream | Fair | 69.9 ft | 1,100 | 1953 |
| North ST over Saint Croix River | Fair | 302.2 ft | 1,016 | 1967 |
| Blacks Woods RD over Tunk Stream | Fair | 29.5 ft | 999 | 1933 |
| Lakeview RD over Big Musquash Stream | Fair | 24.0 ft | 973 | 1938 |
| ST RTE 191 over Holmes Stream | Fair | 24.6 ft | 947 | 1974 |
| Marshville RD over Mill Creek | Fair | 37.7 ft | 916 | 1982 |
| S Main ST over Dan Hill Stream | Fair | 35.1 ft | 821 | 2005 |
| Route 193 over Narraguagus River | Fair | 129.3 ft | 736 | 1960 |
| Cutler RD over Meadow Brook | Fair | 95.5 ft | 715 | 1980 |
| North ST over Narraguagus River | Fair | 251.0 ft | 705 | 1924 |
| S Meadow RD over Little River | Fair | 28.9 ft | 631 | 1944 |
| Dyer Bay RD over Dyer Creek | Fair | 52.5 ft | 547 | 1949 |
| Old County RD over Pennamaquan River | Fair | 34.1 ft | 515 | 1901 |
| Milford RD over Musquash Stream | Fair | 129.9 ft | 515 | 1997 |
| Chases Mill RD over East Machias River | Fair | 117.1 ft | 348 | 1952 |
| Vanceboro RD over Main Tomah Stream | Fair | 36.1 ft | 326 | 1967 |
| Village RD over Tunk Stream | Fair | 39.0 ft | 316 | 1927 |
| Ridge RD over Pennamaquan | Fair | 49.5 ft | 316 | 1944 |
| Tibbettstown RD over Little River | Fair | 21.3 ft | 284 | 1961 |
| Bunker Hill RD over Dennys River | Fair | 101.0 ft | 252 | 1921 |
| Station RD over Chandler River | Fair | 106.0 ft | 228 | 1949 |
| Unionville RD over Tunk Stream | Fair | 31.5 ft | 221 | 1952 |
| ST Croix Vanceboro over Saint Croix River | Fair | 165.0 ft | 201 | 1997 |
| Tide Mill RD over Crane Mill Brook | Fair | 57.1 ft | 74 | 1972 |
| Sacarapa RD over Trout Brook | Fair | 23.0 ft | 74 | 1948 |
| Saco RD over Western Little River | Fair | 36.4 ft | 63 | 1942 |
| Cross RD over Little River | Fair | 22.0 ft | 53 | 1954 |
| Love Lake RD over Inlet To Love Lake | Fair | 33.1 ft | 32 | 1996 |
| Dublin ST over Machias River | Good | 88.3 ft | 11,740 | 2004 |
| Dublin ST over Machias River | Good | 43.0 ft | 11,740 | 2004 |
| Dublin ST over Mchias River | Good | 84.0 ft | 11,740 | 2004 |
| Houlton RD over Stoney Brook | Good | 27.6 ft | 4,702 | 2009 |
| Bridge ST over Narraguagus River | Good | 88.3 ft | 4,658 | 2008 |
| Bridge ST over Narraguagus R | Good | 131.6 ft | 4,658 | 2008 |
| US Highway 1a over Cole Creek | Good | 21.0 ft | 3,461 | 1997 |
| US Route 1 over Grand Falls Flowage | Good | 139.4 ft | 3,145 | 2011 |
| Airline RD over Chain Lakes Stream | Good | 28.9 ft | 2,988 | 1995 |
| Airline RD over Old Stream | Good | 141.1 ft | 2,872 | 1995 |
| Airline RD over Pembroke Stream | Good | 75.1 ft | 2,872 | 2018 |
| Airline RD over Mopang Stream | Good | 77.1 ft | 2,872 | 1999 |
| Airline RD over Rocky Brook | Good | 25.6 ft | 2,814 | 2019 |
| County RD over Mays Stream | Good | 27.6 ft | 2,230 | 2019 |
| US 1 over Orange River | Good | 100.4 ft | 2,051 | 2018 |
| International Av over Maine Central Rail Road | Good | 77.1 ft | 1,946 | 2008 |
| Bridge ST over Moosabec Reach | Good | 1074.8 ft | 1,925 | 2020 |
| US Route 1 over Huntley Brook | Good | 31.2 ft | 1,641 | 2007 |
| Willow ST over East Machias River | Good | 166.7 ft | 1,599 | 1996 |
| US 1 over Crane Mill Stream | Good | 60.0 ft | 1,546 | 2016 |
| Jacksonville RD over East Machias River | Good | 132.9 ft | 1,447 | 2016 |
| Grand Lake Stream over Huntley Brook | Good | 33.1 ft | 1,157 | 1980 |
| International Av over St. Croix River | Good | 565.6 ft | 964 | 2009 |
| Main ST over Dennys River | Good | 84.0 ft | 930 | 2016 |
| Northfield RD over Bog Stream | Good | 65.3 ft | 926 | 2019 |
| N Main ST over Schoodic | Good | 62.0 ft | 705 | 2021 |
| Basin RD over Lamson Stream | Good | 47.9 ft | 463 | 2007 |
| Milford RD over Grand Lake Stream | Good | 87.9 ft | 463 | 2010 |
| King ST over Clifford Stream | Good | 28.2 ft | 431 | 2024 |
| King ST over Cathance Stream | Good | 24.0 ft | 410 | 2007 |
| Neilds Av over Maine Central Rr | Good | 90.2 ft | 331 | 2009 |
| Johnson Cove RD over Englishman River | Good | 87.9 ft | 221 | 2016 |
| Cove RD over Schooner Brook | Good | 25.3 ft | 94 | 2003 |
| Mitten Mountain RD over Kaylor Brook | Good | 37.1 ft | 63 | 2021 |
| Twp 19 RD over Northern Stream | Good | 51.5 ft | 45 | 2012 |
| Dodge RD over Orange River | Good | 23.6 ft | 42 | 1997 |
| Halls Mills RD over Mill Stream | Good | 40.0 ft | 20 | 2018 |
| Howard Mill Road over W Branch Magurrewock Crk | Good | 24.9 ft | 20 | 2000 |
| Goodall Heath Road over W Branch Magurrewock Crk | Good | 44.9 ft | 1 | 2000 |
| Vose Pond Road over Vose Pond Outlet | Good | 24.0 ft | 1 | 2017 |
| Goodall Heath Road over Popple Flowage | Good | 24.0 ft | 1 | 2016 |