County Boundary Signs In Washington

Entering Cowlitz County on I-5 North.

Entering Cowlitz County / Begin WA-503 Spur West

Entering Skamania County on WA-14 west.

Entering Thurston County on I-5 South at the Nisqually River bridge.

Entering Kittitas County on I-82 west.

Entering Yakima County on I-82 west.

Entering Ferry County at the foot of the Columbia River bridge on US-395 North/WA-20 West.

Entering Stevens County on WA-25 north, crossing the Spokane River.

Entering Klickitat County on US-97 south.

Entering Yakima County on I-82 east.