List of tunnels documented by the Historic American Engineering Record in Oregon

__NOTOC__ This is a list of tunnels documented by the Historic American Engineering Record in the US state of Oregon.

Tunnels Survey No.Name (as assigned by HAER)BuiltDocumentedCarriesCrossesLocationCountyCoordinatesPortland and Southwestern Railroad Tunnel19101982Portland and Southwestern RailroadNehalem DivideChapmanColumbiaHistoric Columbia River Highway, Oneonta Tunnel19141995Historic Columbia River HighwayOneonta PointTroutdaleMultnomahHistoric Columbia River Highway, Toothrock Tunnel19321995Historic Columbia River HighwayToothrockTroutdaleMultnomahHistoric Columbia River Highway, Mitchell Point Tunnel and Viaduct19151995Historic Columbia River HighwayLower Mitchell PointTroutdaleMultnomahHistoric Columbia River Highway, Mosier Twin Tunnels19201995Historic Columbia River HighwayUnnamed pointTroutdaleMultnomahSouthern Pacific Railroad Natron Cutoff, Tunnel 319251997Southern Pacific Railroad, Cascade SubdivisionPengra PassOdell LakeKlamathSouthern Pacific Railroad Natron Cutoff, Tunnel 519271997Southern Pacific Railroad, Cascade SubdivisionUnnamed pointMcCredie SpringsLaneSouthern Pacific Railroad Natron Cutoff, Tunnel 2219101997Southern Pacific Railroad, Cascade SubdivisionUnnamed ridgeOakridgeLaneSouthern Pacific Railroad Natron Cutoff, Tunnel 2319101997Southern Pacific Railroad, Cascade SubdivisionUnnamed pointWestfirLane

See also List of bridges documented by the Historic American Engineering Record in Oregon

References