| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Baker Road Bridge | Baker Road over Quaddick Lake | Open to traffic | Timber stringer | 1940 | -- | 21.0 ft. | 24.0 ft. |
| Bigelow Brook Bridge | Boston Hollow Road over Bigelow Brook | Open to traffic | Timber stringer | 1910 | -- | 21.0 ft. | 24.9 ft. |
| Brandy Hill Road Bridge | Brandy Hill Road over Quaddick Lake | Open to traffic | Timber stringer | 1940 | -- | 29.9 ft. | 32.2 ft. |
| Butts Bridge | CT 668 (Butts Bridge Road) over Quinebaug River | Open to traffic | Parker through truss | 1937 | -- | 226.1 ft. | 231.0 ft. |
| Canal Bridge | CT 12 over Canal | Open to traffic | Stone arch | 1928 | -- | 24.0 ft. | 24.0 ft. |
| Central Vermont Railroad Bridge | CT 66 over Central Vermont Railroad | Open to traffic | Pony truss | 1937 | -- | 140.1 ft. | 288.1 ft. |
| Chase Road Bridge | Chase Road over Cady Brook | Open to traffic | Timber stringer | 1940 | -- | 22.0 ft. | 24.0 ft. |
| File Mile River Bridge | Attawaugan-Ballouville Road over Five Mile River | Open to traffic | Stone arch | ca. 1860 | -- | 36.1 ft. | 36.1 ft. |
| Five Mile River Bridge | US 44 over Five Mile River | Open to traffic | Arch | 1931 | -- | 35.1 ft. | 35.1 ft. |
| Kitt Brook Bridge | Tracy Road over Kitt Brook | Open to traffic | Timber stringer | 1928 | -- | 24.9 ft. | 27.9 ft. |
| Mill Brook Bridge | Packerville Road over Mill Brook | No longer exists | Stone arch | ca. 1850 | 2003 | -- | 25.9 ft. |
| Moosup River Bridge | Brunswick Avenue #2 over Moosup River | Closed to all traffic | Lenticular through truss | 1886 | -- | 120.1 ft. | 124.0 ft. |
| Moosup River Bridge | River Street #1 over Moosup River | Open to traffic | Lenticular through truss | 1886 | -- | 105.0 ft. | 107.9 ft. |
| Natchaug River Bridge | CT 198 over Natchaug River | Open to traffic | Closed-spandrel arch | 1926 | -- | 75.1 ft. | 75.1 ft. |
| Peep Toad Road Bridge | Peep Toad Road over Whetstone Brook | Open to traffic | Stone arch | ca. 1850 | -- | 9.8 ft. | 23.0 ft. |
| Putnam Memorial Bridge | US 44 over Quinebaug River | Open to traffic | Closed-spandrel arch | 1925 | -- | 67.9 ft. | 67.9 ft. |
| Shepard Hill Road Bridge | Shepard Hill Road over Prov & Worc Railroad | Open to traffic | Timber stringer | 2000 | -- | 66.9 ft. | 77.1 ft. |
| Willimantic River Bridge | CT 601 (Windham Road) over Willimantic River | Unknown status | Stone arch | 1869 | -- | 76.1 ft. | 129.9 ft. |
| Willimantic River Bridge | CT 32 (Bridge Street) over Willimantic River | Open to traffic | Stone arch | 1868 | -- | 80.1 ft. | 80.1 ft. |
| Windham Road Bridge | Windham Road (formerly CT 601) over Willimantic River | Closed to traffic(?) | Stone arch | 1857 | -- | 76.0 ft. | 130.0 ft. |