A state highway to be known as state route number 26 is established as follows:

Beginning at a junction with state route number 90 in the vicinity of the east end of the Vantage bridge, thence southerly, parallel to the east bank of the Columbia river for a distance of approximately two and one-half miles, thence southeasterly to the vicinity of Othello, thence easterly to a junction with state route number 395, thence easterly by way of the vicinity of Washtucna and Dusty to a junction with state route number 195 in the vicinity of Colfax.