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.
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")