| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| "A" Canal Bridge | Esplanade Street over Usrs Canal | Open to traffic | Concrete deck girder | 1949 | -- | 20.0 ft. | 80.1 ft. |
| Chiloquin Bridge | Chiloquin Highway over Williamson River | Open to traffic | Steel stringer | 1934 | -- | 45.0 ft. | 90.0 ft. |
| Crooked Creek Bridge | OR 62 over Crooked Creek | Replaced by a new precast slab bridge in 2004. | Timber stringer | 1933 | 2004 | -- | 47.9 ft. |
| Diversion Canal Bridge | HWY 420 over USRS Diversion Canal | Replaced by a new precast slab bridge in 2006. | Timber stringer | 1930 | 2006 | -- | 116.1 ft. |
| Keno Bridge | Green Springs Highway (OR-66) over Klamath River | Replaced by new bridge | Concrete through arch | 1930 | 1985 | 100.0 ft. | 370.0 ft. |
| Lake Ewauna Rail Bridge | BNSF Railroad Tracks over Lake Ewuana (Klamath River) | Open to traffic | Stringer | -- | -- | -- | -- |
| Link River Bridge | Main St. (OR 66) over Link River | Open to traffic | Concrete deck girder | 1931 | -- | 50.0 ft. | 200.0 ft. |
| Oregon, California & Eastern Railroad Crossing | Oregon Route 140 over OC&E Trail (Formerly Oregon California & Eastern Railroad) | Open to traffic | Concrete deck girder | 1936 | -- | 45.0 ft. | 92.0 ft. |
| Private Chiloquin Bridge | Private Road over Sprague River | Open to traffic | Warren pony truss | -- | -- | 100.0 ft. | 165.0 ft. |
| Sprague River Bridge I | Sprague River Highway over Sprague River | Open to traffic | Unknown | 1944 | -- | 64.0 ft. | 218.0 ft. |
| Sprague River Bridge II | Sprague River Highway over Sprague River | Open to traffic | Concrete deck girder | 1944 | -- | 63.0 ft. | 241.0 ft. |