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Eagle Creek Viaduct

Photo taken by Michael Goff on January 10, 2009

Overview: Concrete deck girder bridge over Tooth Rock slopes on Historical Columbia River Highway
Location: Multnomah County, Oregon
Status: Open to pedestrians
History: Built 1915, Closed 1937, Re-opened as trail 1995
Builders: - Lewis W. Metzger (Design Engineer)
- Pacific Bridge Co. of Oakland, California (Contractor)
- Samuel Lancaster (Lead Engineer)
Design: One of eight viaducts located on the Historical Columbia River Highway. The Eagle Creek Viaduct is one of ony two viaducts along the highway that utilize a masonry rail instead of one cast in concrete.The Eagle Creek Viaduct was one of the first original highway alignments abandoned during the construction of a wider water grade route along the Columbia River.
Dimensions: Length of largest span: 30.0 ft.
Total length: 121.0 ft.
Approximate latitude, longitude: +45.63853, -121.93430 (decimal degrees)
45°38'19" N, 121°56'03" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/583054/5054438 (zone/easting/northing)
USGS topographic map: Bonneville Dam
Inventory number: BH 38513 (Bridgehunter.com ID)

Mike Goff - michael [dot] goff [at] hotmail [dot] com
Historic Highway Bridges of Oregon - Dwight A. Smith, James B. Norman & Pieter T. Dykman, Oregon Historical Society Press, 1989
HAER OR-36-N - Historic Columbia River Highway, Toothrock & Eagle Creek Viaducts, Curving around Toothrock on Historic Columbia River Highway, Troutdale vicinity, Multnomah, OR