Finke oversaw the design of many of the notable spans over the Columbia River including the Kettle Falls Bridge and the Julia Butler Hansen Bridge. Finke was also in charge of the Jim Creek Bridge in Cowlitz County, one of a very few war time bridges built during World War II.
Later as Seattle City Engineer Finke was a key figure in the building of the Alaskan Way Viaduct along Elliott Bay in Seattle.
Bridge related patents filed by Ralph Finke:
Lift Bridge: http://www.freepatentsonline.com/2198810.pdf
Bridge Cable Anchorage: http://www.freepatentsonline.com/2198809.pdf
Engineering History:
- Bridge Engineer, Washington State Department of Highways
- Seattle City Engineer (1948-1952)
Alaskan Way Viaduct (King County, Washington)
Fort Spokane Bridge (Lincoln County, Washington)
George Sellar Bridge (Chelan County, Washington)
Grande Ronde River Bridge (Asotin County, Washington)
Jim Creek Bridge (Cowlitz County, Washington)
Julia Butler Hansen Bridge (Wahkiakum County, Washington)
Kettle Falls Bridge (Stevens County, Washington)