Columbia River Maritime Museum ( 17th Street ) North side of highway. Located on Astoria, Oregon's historic waterfront, the acclaimed Columbia River Maritime Museum displays one of the most extensive collections of nautical artifacts on the west coast. Designated Oregon's official state maritime museum, this outstanding institution with 44,200 square feet of exhibit space was the first nationally accredited maritime museum in the western United States. Photo view of Astoria-Megler Bridge highway # 101