AMP: Clackamas Hwy #171/49 Location: OR 224 and Clackamas Rd, Clackamas Cty Oregon 224 begins here in the Ripplebrook area. AMP: 45 Location: OR 224 and Pipeline Rd, Clackamas Cty Oregon 224 contains a series of truss bridges along this stretch, which primarily serves recreators using the Clackamas River. AMP: 39 Location: OR 224 and Armstrong Campground Rd, … Continue reading Oregon Route 224, Ripplebrook to OR 211