| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Ammonoosuc River Bridge | NH 142 over Ammonoosuc River | Open to traffic | Through truss | 1927 | -- | 117.1 ft. | 124.0 ft. |
| Baker River Bridge | US 3 over Baker River | Open to traffic | Through truss | 1930 | -- | 168.0 ft. | 171.9 ft. |
| Barnet Street Bridge | Barnet Street over Connecticut River | Open to traffic | Through truss | 1937 | -- | 261.2 ft. | 389.1 ft. |
| Beebe River Bridge | NH 175 over Beebe River | Open to traffic | Arch | 1934 | -- | 83.0 ft. | 83.0 ft. |
| Blair Road Bridge | Blair Road over Pemigewasset River | Open to traffic | Through truss | 1869 | -- | 141.1 ft. | 288.1 ft. |
| Brackett Brook Bridge | NH 25A over Brackett Brook | Open to traffic | Arch | 1929 | -- | 18.0 ft. | 18.0 ft. |
| Brook Road Bridge | Brook Road over Mill Brook | Open to traffic | Arch | 1928 | -- | 29.9 ft. | 29.9 ft. |
| Brook Road Bridge | Brook Road over Mill Brook | Open to traffic | Arch | 1928 | -- | 24.9 ft. | 24.9 ft. |
| Brook Road Bridge | Brook Road over Mill Brook | Open to traffic | Arch | 1928 | -- | 24.9 ft. | 24.9 ft. |
| Bump's Intervale Bridge | Bump's Intervale over Beebe River | Open to traffic | Through truss | 1877 | -- | 62.0 ft. | 84.0 ft. |
| Bypassed Historic Bridge | Bypassed Historic over Ammonoosuc River | Closed to all traffic | Through truss | 1827 | -- | 121.1 ft. | 255.9 ft. |
| Bypassed Historic Bridge | Bypassed Historic over Wild Ammonoosuc River | Closed to all traffic | Through truss | 1928 | -- | 117.1 ft. | 123.0 ft. |
| Bypassed Historic Bridge | Bypassed Historic over Ammonoosuc River | Closed to all traffic | Through truss | 1928 | -- | 140.1 ft. | 140.1 ft. |
| Bypassed Historic Bridge | Bypassed Historic over Baker River | Closed to all traffic | Through truss | 1909 | -- | 94.2 ft. | 100.1 ft. |
| Central Street Bridge | Central Street over Pemigewasset River | Open to traffic | Through truss | 1928 | -- | 241.2 ft. | 245.1 ft. |
| Connecticut River Bridge | US 302 over Connecticut River | Open to traffic | Steel through arch | 1928 | -- | 248.0 ft. | 270.0 ft. |
| Connecticut River Bridge | US 4 over Connecticut River | Open to traffic | Through truss | 1936 | -- | 148.0 ft. | 392.1 ft. |
| Connecticut River Bridge | NH 25A over Connecticut River | Open to traffic | Steel through arch | 1937 | -- | 424.9 ft. | 433.7 ft. |
| Connecticut River Bridge | NH 25 over Connecticut River | Open to traffic | Through truss | 1929 | -- | 329.1 ft. | 355.0 ft. |
| Crane Hill Road Bridge | Crane Hill Road over Gale River | Open to traffic | Through truss | 1928 | -- | 104.0 ft. | 107.9 ft. |
| Cross Road Bridge | Cross Road over Rocky Branch | Open to traffic | Timber stringer | 1920 | -- | 16.1 ft. | 21.0 ft. |
| East Thetford Road Bridge | East Thetford Road over Connecticut River | Open to traffic | Through truss | 1937 | -- | 232.0 ft. | 471.2 ft. |
| Gale Chandler Road Bridge | Gale Chandler Road over Mill Brook | Open to traffic | Arch | 1922 | -- | 25.9 ft. | 25.9 ft. |
| Glen Road Bridge | BMRR over Glen Road | Open to traffic | Stone arch | 1901 | -- | 17.4 ft. | 17.4 ft. |
| Glove Hollow Brook Bridge | US 3/NH 25 over Glove Hollow Brook | Open to traffic | Arch | 1900 | -- | 19.0 ft. | 21.0 ft. |
| Great Hollow Road Bridge | Great Hollow Road over Mink Brook | Open to traffic | Stone arch | 1901 | -- | -- | 26.9 ft. |
| Hammond Hill Road Bridge | Hammond Hill Road over Woodman Brook | Open to traffic | Timber stringer | 1930 | -- | 23.0 ft. | 27.9 ft. |
| Harvard Brook Bridge | US 3 over Harvard Brook | Open to traffic | Arch | 1930 | -- | 44.0 ft. | 44.0 ft. |
| Hoxie Brook Bridge | Bridge over Hoxie Brook | Open to traffic | Timber stringer | 1935 | -- | 26.9 ft. | 27.9 ft. |
| Hurd Hill Road Bridge | Hurd Hill Road over Ogontz Brook | Open to traffic | Arch | 1963 | -- | 8.9 ft. | 23.0 ft. |
| Lost River Bridge | US 3 over Lost River | Open to traffic | Arch | 1931 | -- | 68.9 ft. | 68.9 ft. |
| Lyman Road Bridge | Lyman Road over Mill Brook | Open to traffic | Arch | 1928 | -- | 20.0 ft. | 20.0 ft. |
| Lyman Road Bridge | Lyman Road over Young Brook | Open to traffic | Arch | 1928 | -- | 16.1 ft. | 16.1 ft. |
| Mad River Bridge | NH 175 over Mad River | Open to traffic | Arch | 1927 | -- | 86.0 ft. | 86.0 ft. |
| Mcindoes Street Bridge | Mcindoes Street over Connecticut River | Open to traffic | Through truss | 1930 | -- | 305.1 ft. | 308.1 ft. |
| Mill Street Bridge | Mill Street over Abandoned NHRR | Open to traffic | Timber stringer | 1940 | -- | 23.0 ft. | 147.0 ft. |
| Millbrook Road Bridge | Millbrook Road over Mill Brook | Open to traffic | Timber stringer | 1938 | -- | -- | 26.9 ft. |
| Oliverian Brook Bridge | NH 10 over Oliverian Brook | Open to traffic | Arch | 1937 | -- | 67.9 ft. | 67.9 ft. |
| Pearl Lake Road Bridge | Pearl Lake Road over Pearl Lake Brook | Open to traffic | Arch | 1928 | -- | 29.9 ft. | 29.9 ft. |
| Pemigewasset River Bridge | US 3 over Pemigewasset River | Open to traffic | Deck truss | 1937 | -- | 249.0 ft. | 799.9 ft. |
| Pemigewasset River Bridge | NH 175A over Pemigewasset River | Open to traffic | Pony truss | 1934 | -- | 244.1 ft. | 256.9 ft. |
| Pemigewasset River Bridge | NH 175 over Pemigewasset River | Open to traffic | Steel through arch | 1939 | -- | 171.9 ft. | 183.1 ft. |
| Porter Road Bridge | Porter Road over Wild Ammonoosuc River | Open to traffic | Through truss | 1849 | -- | 137.1 ft. | 160.1 ft. |
| Prospect Street Bridge | Prospect Street over Ammonoosuc River | Open to traffic | Truss | 1928 | -- | -- | 110.9 ft. |
| Quincy Road Bridge | Quincy Road over Brook | Open to traffic | Arch | 1928 | -- | 16.1 ft. | 16.1 ft. |
| Redington Street Bridge | Redington Street over Ammonoosuc River | Open to traffic | Through truss | 1928 | -- | 118.1 ft. | 124.0 ft. |
| River Road Bridge | River Road over Clay Brook | Open to traffic | Through truss | 1885 | -- | 115.2 ft. | 149.0 ft. |
| Saunders Hill Road Bridge | Saunders Hill Road over Baker River | Open to traffic | Through truss | 1928 | -- | 103.0 ft. | 111.9 ft. |
| Smith Bridge Road Bridge | Smith Bridge Road over Baker River | Open to traffic | Through truss | 1850 | -- | 162.1 ft. | 170.0 ft. |
| Smith River Bridge | NH 3A over Smith River | Open to traffic | Arch | 1940 | -- | 64.0 ft. | 64.0 ft. |
| Stinson Lake Road Bridge | Stinson Lake Road over Stinson Brook | Open to traffic | Arch | 1927 | -- | 28.9 ft. | 28.9 ft. |
| Tinkerville Road Bridge | Tinkerville Road over Patten Brook | Open to traffic | Arch | 1928 | -- | 12.1 ft. | 12.1 ft. |
| West Bath Road Bridge | West Bath Road over Ammonoosuc River | Open to traffic | Through truss | 1832 | -- | 86.9 ft. | 375.0 ft. |