| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Orcas-Olga Road Bridge | Orcas-Olga Road over Cascade Creek | Open to traffic | Arch | 1921 | -- | 27.9 ft. | 27.9 ft. |
| Park Entrance Road Bridge | Park Entrance Road over Paul Creek | Open to traffic | Arch | 1970 | -- | -- | 98.1 ft. |