Machinery Temporary Basule Span

NP - Duwamish River Bridge (King County, Washington)
Built 1911; Reconstructed and energy translated from the span to the counterweight in late 1920's
Bridge over Duwamish River on Northern Pacific Railroad
Open to traffic Reconstructed in the late 1920's 1930's by taking the operating struts from the counterweight bridge tower and placed on the bascule truss the operating machinery was removed from the span,and built into the counterweight bridge tower