MP: 35.58 Location: E Ocean Beach Hwy and Main St, Cathlamet Reassurance shield after the junction   MP: 35.65 Location: E Ocean Beach Hwy and Main St, Cathlamet 27 miles to the eastern terminus of this road and JCT I-5   MP: 45.44 Location: E Ocean Beach Hwy and County Line Park, Cowlitz Cty Reassurer … Continue reading State Route 4, SR 409 to SR 432