Burlington Northern Yakima River bridge east of Easton, Washington, on April 1, 1987. This former Northern Pacific structure is in the 1st subdivision of the Tacoma division. Photo by GJ Werkema. Subject Classes: bridge, Yakima River

Burlington Northern Yakima River bridge east of Easton, Washington, on April 1, 1987. This former Northern Pacific structure is in the 1st subdivision of the Tacoma division. Photo by GJ Werkema. Subject Classes: bridge, Yakima River

Burlington Northern Yakima River bridge east of Easton, Washington, on April 1, 1987. This former Northern Pacific structure is in the 1st subdivision of the Tacoma division. Photo by GJ Werkema. Subject Classes: bridge, Yakima River

Canadian Pacific Railway trestle bridge CP 354 at Mountain Creek, BC, circa 1900. A worktrain led by a 4-4-0 class locomotive, Canadian Pacific Railway 354 on the high timber trestle at Mountin Creek in Beaver Valley in the Selkirk Mountains of British Columbi, Canada. Workers with shovels pose on flat cars loaded with dirt or gravel. J.M. Fredrickson collection. Other Subject Classes: trestle, river

Chicago Milwaukee and Puget Sound and Columbia and Puget Sound Railroad bridges at Maple Valley, Washington in November 1911. Steel truss and timber trestles both damaged by Cedar River flood, road bridge still standing. Other Subject Classes: railroad bridges.

Chicago Milwaukee and Puget Sound Railroad bridge at Maple Valley, Washington in November 1911. Steel truss bridge damaged by Cedar River flood. Other Subject Classes: railroad bridges.

Chicago, Milwaukee and Puget Sound Railroad bridge at Maple Valley, Washington, in November 1911. Looking north at steel truss bridge damaged by flood. One man killed repairing bridge. Other Subject Classes: railroad bridges.

Columbia & Puget Sound Railroad truss bridge at Maple Valley, Washington in November 1911. Maple Valley Bridge 13 damage, November, 1911. Other Subject Classes: truss bridge.

Columbia and Puget Sound Railroad bridge at Elliott, Washington in November 1911. Steel Howe truss bridge damaged by flood. Other Subject Classes: railroad bridges.

Columbia and Puget Sound Railroad bridge at Elliott, Washington, in 1894. Wood truss bridge under construction over Cedar River near present Maplewood Golf Course between Elliott and Renton, workers. Large wheel on top of bridge was a giant wrench to tighten the nuts.. Other Subject Classes: railroad bridges, railroad employees.