| State Route 23 | ||||
|---|---|---|---|---|
| Route information | ||||
| Defined by RCW 47.17.095 | ||||
| Maintained by WSDOT | ||||
| Length: | 66.00 mi[1] (106.22 km) | |||
| Existed: | 1964 – present | |||
| Major junctions | ||||
| South end: | US 195 in Steptoe | |||
| I-90 in Sprague | ||||
| North end: | SR 28 in Harrington | |||
| Highway system | ||||
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State highways in Washington
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State Route 23, also known as SR 23, is a state highway in the U.S. state of Washington. Originating at an intersection with U.S. Route 195 in Steptoe, SR 23 extends in a roughly northwestern direction for about 66 miles (106 km) before terminating at SR 28 in Harrington.
| County | Location | Mile[1] | Destinations | Notes |
|---|---|---|---|---|
| Whitman | Steptoe | 0.00 | US 195 – Colfax, Spokane | |
| Lincoln | 43.73 | I-90 – Seattle, Spokane | Interchange | |
| 44.28 | SR 231 north – Reardan | |||
| Harrington | 66.00 | SR 28 – Odessa, Davenport |
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