Helvetia Road Trestle (Washington County, Oregon) Built 1911 Beam bridge over NW Helvetia Road on Portland & Western Railroad Open to traffic
PNWR - Cornelius Pass Railroad Tunnel (Multnomah County, Oregon) Built 1911 Tunnel under Under Cornelius Pass Road on Portland & Western Railroad Open to traffic
PNWR - Phillips Road Bridge (Washington County, Oregon) Lost Beam bridge over NW Phillips Road Removed but not replaced