Washington 290
| Termini | US-2/395 east of downtown Spokane to ID-53 at the Idaho border east of Otis Orchard |
| Length | 18.6 miles |
| "Where does it go?" | WA-290 begins at US-2/395 on the east side of downtown Spokane and heads ENE via Millwood, Spokane Valley, Otis Orchards, and Newman Lake to the Washington-Idaho state line where ID-53 begins. |

Highways of
Washington State - State Route 290
Washington
State Legislation - Route 290