| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| County Home Bridge Road Bridge | County Home Bridge Road over Schroon River | Open to traffic | Pony truss | 1895 | -- | 103.7 ft. | 212.0 ft. |
| Feeder Canal Bridge | NY 254 over Feeder Canal | Open to traffic | Steel arch | 1952 | -- | 43.0 ft. | 43.0 ft. |
| Hudson River Bridge | NY 8 over Hudson River | No longer exists | Truss | 1920 | 2003 | -- | 308.7 ft. |
| Hudson River Bridge | NY 418 over Hudson River | Open to traffic | Through truss | 1941 | -- | 214.9 ft. | 438.0 ft. |
| Hudson River Bridge | NY 28N over Hudson River | Open to traffic | Deck truss | 1930 | -- | 140.8 ft. | 453.8 ft. |
| Hudson River Bridge | CR 44 over Hudson River | Open to traffic | Deck truss | 1931 | -- | 119.8 ft. | 189.0 ft. |
| Schaefer Brook Bridge | CR 16 (E. River Drive) over Schaefer Brook | Open to traffic | Steel arch | 1940 | -- | 24.9 ft. | 27.9 ft. |
| Schroon River Bridge | NY 8 over Schroon River | Open to traffic | Through truss | 1930 | -- | 129.9 ft. | 267.7 ft. |
| Schroon River Bridge | US 9 over Schroon River | Open to traffic | Pony truss | 1931 | -- | 94.8 ft. | 97.8 ft. |
| Schroon River Bridge | NY 418 over Schroon River | Open to traffic | Through truss | 1933 | -- | 159.8 ft. | 165.0 ft. |
| Schroon River Bridge | CR 10 over Schroon River | Open to traffic | Pony truss | 1896 | -- | 86.9 ft. | 88.9 ft. |
| Schroon River Bridge | CR 31 (Horicon Road) over Schroon River | Open to traffic | Pony truss | 1941 | -- | 131.9 ft. | 135.8 ft. |
| Schroon River Bridge | CR 14 (Milton Street) over Schroon River | Open to traffic | Through truss | 1895 | -- | 143.7 ft. | 143.7 ft. |
| Thirteenth Brook Bridge | TR 900 (Smith Road) over Thirteenth Brook | Open to traffic | Timber stringer | 1911 | -- | 28.9 ft. | 31.8 ft. |
| Valentine Road Bridge | Valentine Road over Schroon River | No longer exists | Truss | -- | -- | -- | 150.9 ft. |