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Lassen County
| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
| Bizz Johnson Trail Devil's Corral Bridge | Rail-Trail over Susan River | Open to pedestrians only | Deck plate girder | 1913 | -- | -- | -- |
| Devil's Corral Highway Bridge | "Formerly Lassen Volcanic Highway & Hwy 36, until 1965. over Susan River | Open to pedestrians only, access is from Korver Road, 1/2 mile north of Hwy 36. Upper deck top of bridge in poor shape. | Open-spandrel arch | 1923 | -- | -- | 200.0 |
| Goodrich Creek Bridge - Hwy 36 | State Hwy 36, Lassen County over Goodrich Creek | Open to traffic | Concrete culvert | 1929 | -- | 8.5 | 25.5 |
| Susan River Overflow Bridge | Road 305 over Susan River Overflow #5 | Open to traffic | Timber stringer | 1938 | -- | 19.0 | 116.1 |