AMP: Mt. Hood Hwy #26/0 Location: Ross Island Br and McLoughlin Blvd, Portland As we cross the Ross Island Bridge, the unmarked Oregon 99E interchange approaches. AMP: 1 Location: Ross Island Br. and McLoughlin Blvd, Portland Exit for Oregon 99E. Stay straight to stay on US-26.  E to OR 213, W to OR 10  S to OR … Continue reading U.S. Route 26, I-5/I-405/OR 43 to OR 99E