County, Washington Transportation buildings and structures in Umatilla County, Oregon Road bridges in Oregon U.S. Route 395 1955 establishments in Oregon 1955 establishments in Washington (state) 1988 establishments in Oregon 1988 establishments in Washington (state) Former toll bridges in Oregon Former toll bridges in Washington (state) Bridges on the Interstate Highway System Bridges of the United States Numbered Highway System Steel bridges in the United States Concrete bridges in the United States Cantilever bridges in the United States Arch bridges in the United States Warren truss bridges in the United States