A view from the Washington side of Oregon Trunk Celilo Bridge T-0-4, 1912. Photo by the Kiser Photo Company.

A view from the south end of Oregon Trunk Celilo Bridge T-0-4 while still under construction, circa. 1911.

A view of the opening of Oregon Trunk Celilo Bridge T-0-4 on January 5, 1912. From the Oregon Historical Society Collection.

Color postcard view of Oregon Trunk Celilo Bridge T-0-4 with a southbound steam powered freight train, undated.

A view of Oregon Trunk Celilo Bridge T-0-4 from the rear of Oregon Trunk passenger Train Number 103 as the train heads to Wishram, Washington, July 11, 1954. Photo by Miln Gillespie.

Detail view of Oregon Trunk Celilo Bridge T-0-4, October 1960.

Detail view of Oregon Trunk Celilo Bridge T-0-4, October 1960.

Burlington Northern diesel locomotive Number 4360, Alco C-636, former SP&S 330, heads a souhbound freight train over the lift span of Oregon Trunk Celilo Bridge T-0-4, undated.

SP&S diesel locomotives number 331 and 330, both Alco C-636's, heading a southbound freight train off of Oregon Trunk Celilo Bridge T-0-4, undated.

A view of the Oregon Trunk Celilo Bridge T-0-4 and the Celilo Canal, undated. Photo by J. Mills