Route information | ||||
---|---|---|---|---|
Auxiliary route of US 12 | ||||
Maintained by WSDOT | ||||
Length | 2.30 mi[1] (3.70 km) | |||
Existed | 1964[2]–present | |||
Major junctions | ||||
West end | US 12 in Clarkston | |||
SR 193 near Clarkston | ||||
East end | SH-128 at Idaho state line near Clarkston | |||
Location | ||||
Country | United States | |||
State | Washington | |||
Highway system | ||||
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State Route 128 (SR 128) is a Washington state highway located in Asotin and Whitman counties, west of the Idaho state line. The 2.30-mile (3.70 km) long route runs north from U.S. Route 12 (US 12) in Clarkston to cross the Snake River and turn east after intersecting SR 193 to terminate at State Highway 128 (SH 128) on the Idaho state line. The highway was originally created in 1964 on a Pomeroy–Clarkston route, replacing Secondary State Highway 3K (SSH 3K), which had been established in 1937; in 1991, the route was changed to its present form.