| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Aiken Street Bridge | Aiken Street over Merrimack River | Open to traffic | Lenticular through truss | 1883 | -- | 154.9 ft. | 779.9 ft. |
| Andover Road Bridge | Andover Road over MBTA/BMRR | Open to traffic | Timber stringer | 1927 | -- | 36.1 ft. | 40.0 ft. |
| Assabet River Bridge | MA 2 (Elm Street) over Assabet River | Open to traffic | Arch | 1904 | -- | 76.1 ft. | 76.1 ft. |
| Assabet River Bridge | MA 62 (Main Street) over Assabet River | Open to traffic | Stone arch | 1886 | -- | 57.1 ft. | 57.1 ft. |
| Assabet River Bridge | MA 85 (Washington Street) over Assabet River | Open to traffic | Stone arch | 1900 | -- | 18.0 ft. | 61.0 ft. |
| Assabet River Bridge | MA 117 (Great Road) over Assabet River | Open to traffic | Stone arch | 1900 | -- | 26.9 ft. | 60.0 ft. |
| Beaver Brook East Stream Bridge | MA 113 (Pleasant Street) over Beaver Brook East Stream | Open to traffic | Stone arch | 1850 | -- | 24.0 ft. | 24.0 ft. |
| Beaver Brook West Stream Bridge | MA 113 (Pleasant Street) over Beaver Brook West Stream | Open to traffic | Stone arch | 1850 | -- | 24.0 ft. | 24.0 ft. |
| Boden Lane Bridge | Boden Lane over CSX Railroad/MBTA | Open to traffic | Pony truss | 1891 | -- | 60.0 ft. | 66.9 ft. |
| Bridge Street Bridge | Bridge Street over Merrimack River | Open to traffic | Through truss | 1937 | -- | 196.9 ft. | 474.1 ft. |
| Butters Row Bridge | Butters Row over MBTA/BMRR | Open to traffic | Timber stringer | 1920 | -- | 27.9 ft. | 48.9 ft. |
| Charles River Bridge | MA 9 (Boylston Street) over Charles River | Open to traffic | Arch | 1900 | -- | 49.9 ft. | 76.1 ft. |
| Charles River Bridge | MA 16 (Washington Street) over Charles River | Open to traffic | Arch | 1929 | -- | 45.9 ft. | 141.1 ft. |
| Charles River Bridge | MA 16 (Galen Street) over Charles River | Open to traffic | Arch | 1907 | -- | 89.9 ft. | 89.9 ft. |
| Concord River Bridge | MA 3A (Boston Road) over Concord River | Open to traffic | Arch | 1920 | -- | 65.0 ft. | 180.1 ft. |
| Concord River Bridge | US 3 over Concord River | Open to traffic | Arch | 1953 | -- | -- | 168.0 ft. |
| Concord River Bridge | MA 110 over Concord River | Open to traffic | Stone arch | 1858 | -- | 45.9 ft. | 102.0 ft. |
| Concord Street Bridge | Concord Street over Sudbury River | Open to traffic | Arch | 1920 | -- | 30.8 ft. | 30.8 ft. |
| Cross Street Bridge | Cross Street over MBTA/BMRR | Open to traffic | Through truss | 1928 | -- | 107.9 ft. | 112.9 ft. |
| Farwell Street Bridge | Farwell Street over Charles River | Open to traffic | Deck truss | 1850 | -- | 105.0 ft. | 109.6 ft. |
| Fort Pond Brook Bridge | MA 27 (Main Street) over Fort Pond Brook | Open to traffic | Stone arch | 1900 | -- | 22.0 ft. | 22.0 ft. |
| Franklin Street Bridge | Franklin Street over Sudbury River | Open to traffic | Arch | 1934 | -- | 60.0 ft. | 60.0 ft. |
| George Brown Street Bridge | George Brown Street over MBTA/BMRR | Open to traffic | Timber stringer | 1927 | -- | -- | 33.1 ft. |
| Groton Street Bridge | Groton Street over Nashua River | Open to traffic | Through truss | 1962 | -- | 105.0 ft. | 189.0 ft. |
| Hammond Street Bridge | Hammond Street over Green Line | Open to traffic | Pony truss | 1900 | -- | 56.1 ft. | 59.1 ft. |
| Hemlock Gorge Bridge | MA 9 (Boylston Street) over Hemlock Gorge | Open to traffic | Arch | 1932 | -- | 20.0 ft. | 23.0 ft. |
| Jackson Street Bridge | Jackson Street over MBTA/BMRR | Open to traffic | Timber stringer | 1934 | -- | 29.5 ft. | 37.1 ft. |
| Land Blvd. Bridge | Land Blvd. over Broad Canal | Open to traffic | Other | 1956 | -- | 60.0 ft. | 174.9 ft. |
| Lowell Street Bridge | Lowell Street over MBTA/BMRR | Closed to all traffic | Pony truss | 1910 | -- | 80.1 ft. | 85.0 ft. |
| Lowell Street Bridge | Lowell Street over BMRR Spur | Closed to all traffic | Pony truss | 1910 | -- | 44.0 ft. | 47.9 ft. |
| Main Street Bridge | MA 2A (East Main Street) over MBTA/BMRR | Open to traffic | Pony truss | 1949 | -- | 109.9 ft. | 115.2 ft. |
| Main Street Bridge | US 20 (Main Street) over MBTA/BMRR | Open to traffic | Pony truss | 1936 | -- | 115.2 ft. | 233.9 ft. |
| Malden River Bridge | MA 16 over Malden River | Open to traffic | Other | 1954 | -- | 80.1 ft. | 310.1 ft. |
| Marion Street Bridge | Marion Street over CSX Railroad/MBTA | Open to traffic | Pony truss | 1896 | -- | 86.0 ft. | 90.9 ft. |
| Martins Brook Bridge | MA 28 (Main Street) over Martins Brook | Open to traffic | Arch | 1903 | -- | 21.0 ft. | 21.0 ft. |
| McGrath Highway Bridge | MA 28 (McGrath Highway) over MBTA/BMRR | Open to traffic | Through truss | 1908 | -- | 162.1 ft. | 173.9 ft. |
| Merriam Street Bridge | Merriam Street over MBTA/BMRR | Open to traffic | Timber stringer | 1928 | -- | 28.9 ft. | 73.2 ft. |
| Merrimack River Bridge | MA 113/MA 3A over Merrimack River | Open to traffic | Steel through arch | 1930 | -- | 546.9 ft. | 566.0 ft. |
| Morton Street Bridge | Morton Street over BMRR | Open to traffic | Timber stringer | 1929 | -- | 28.9 ft. | 80.1 ft. |
| Mystic River Bridge | MA 60 (Medford Street) over Mystic River | Open to traffic | Arch | 1936 | -- | 49.9 ft. | 49.9 ft. |
| Mystic River Bridge | MA 16 over Mystic River | Open to traffic | Arch | 1906 | -- | 60.0 ft. | 64.0 ft. |
| Mystic River Bridge | MA 16 over Mystic River | Open to traffic | Arch | 1906 | -- | 60.0 ft. | 60.0 ft. |
| Nashawtuc Road Bridge | Nashawtuc Road over Sudbury River | Open to traffic | Stone arch | 1883 | -- | 53.5 ft. | 53.5 ft. |
| Newton Street Bridge | Newton Street over MBTA/BMRR | Open to traffic | Timber stringer | 1930 | -- | 29.9 ft. | 29.9 ft. |
| Pelham Island Road Bridge | Pelham Island Road over Sudbury River | Open to traffic | Arch | 1930 | -- | 63.0 ft. | 65.0 ft. |
| Power Canal Bridge | MA 62 (Main Street) over Power Canal | Open to traffic | Stone arch | 1885 | -- | 21.0 ft. | 23.0 ft. |
| School Street Bridge | School Street over Stony Brook | Open to traffic | Stone arch | 1850 | -- | 18.0 ft. | 40.0 ft. |
| Shawsheen River Bridge | MA 129 (Salem Road) over Shawsheen River | Open to traffic | Stone arch | 1932 | -- | 21.0 ft. | 21.0 ft. |
| Squannacook River Bridge | Canal Street over Squannacook River | Open to traffic | Stone arch | 1850 | -- | 23.0 ft. | 81.0 ft. |
| Stoney Brook Bridge | MA 30 (Pleasant Street) over Stoney Brook | Open to traffic | Stone arch | 1895 | -- | 15.1 ft. | 36.1 ft. |
| Stony Brook Road Bridge | Stony Brook Road over Stony Brook | Open to traffic | Stone arch | 1880 | -- | 15.1 ft. | 40.0 ft. |
| Sudbury River Bridge | Elm Street over Sudbury River | Open to traffic | Stone arch | 1874 | -- | 25.9 ft. | 84.0 ft. |
| Sudbury River Bridge | MA 62/MA 2A over Sudbury River | Open to traffic | Arch | 1909 | -- | 71.9 ft. | 71.9 ft. |
| Sudbury River Bridge | MA 117 over Sudbury River | Open to traffic | Arch | -- | -- | -- | 90.9 ft. |
| Sudbury River Bridge | MA 2 (Concord Turnpike) over Sudbury River | Open to traffic | Arch | 1934 | -- | 87.9 ft. | 87.9 ft. |
| Sudbury River Bridge | Main Street over Sudbury River | Closed to all traffic | Pony truss | 1878 | -- | 68.9 ft. | 70.9 ft. |
| Sudbury Road Bridge | Sudbury Road over Assabet River | Open to traffic | Timber stringer | 1902 | -- | 21.0 ft. | 25.9 ft. |
| Sudbury Road Bridge | Sudbury Road over Assabet River | Open to traffic | Timber stringer | 1902 | -- | 21.0 ft. | 49.9 ft. |
| Sycamore Street Bridge | Sycamore Street over MBTA/BMRR | Open to traffic | Pony truss | 1902 | -- | 65.6 ft. | 72.2 ft. |
| Town Farm Lane Bridge | Town Farm Lane over MBTA/BMRR | Open to traffic | Timber stringer | 1925 | -- | 29.9 ft. | 34.1 ft. |
| University Avenue Bridge | Univrsty Avenue over Merrimack River | Open to traffic | Deck truss | -- | -- | -- | 485.9 ft. |
| Walker Street Bridge | Walker Street over BMRR | Open to traffic | Pony truss | 1910 | -- | 57.1 ft. | 64.0 ft. |
| Western Canal Bridge | Broadway over Western Canal | Open to traffic | Stone arch | 1833 | -- | 38.1 ft. | 38.1 ft. |
| Weston Reservoir Bridge | Ash Street over Weston Reservoir | Open to traffic | Arch | 1902 | -- | 24.9 ft. | 24.9 ft. |
| Whitcomb Avenue Bridge | Whitcomb Avenue over Eastbound MA 2 | Open to traffic | Arch | 1950 | -- | 46.9 ft. | 101.1 ft. |
| Willard Brook Bridge | MA 31 (State Road) over Willard Brook | Open to traffic | Arch | 1908 | -- | 29.9 ft. | 39.0 ft. |
| Willard Brook Bridge | MA 119 (River Road) over Willard Brook | Open to traffic | Stone arch | 1908 | -- | 29.9 ft. | 65.0 ft. |
| Willard Brook Bridge | MA 119 (River Road) over Willard Brook | Open to traffic | Stone arch | 1908 | -- | 16.1 ft. | 36.1 ft. |
| Willard Brook Bridge | MA 119 (River Road) over Willard Brook | Open to traffic | Stone arch | 1908 | -- | 14.1 ft. | 34.1 ft. |
| Winter Street Bridge | Winter Street over Sudbury River | Open to traffic | Stone arch | 1870 | -- | 20.0 ft. | 42.0 ft. |