Navajo Bridge Erection Toggle Screw/Navajo Bridge
State of Arizona
This Erection Toggle Screw was used in the construction of the historic Navajo Bridge to maintain bridge vertical elevations and as a means of lowering bridge sections in place.
[Plaque Mounted on Bridge]:
State of Arizona
Navajo Bridge
Arch 616 feet • Total Length 834 feet • Height 467 feet
Arizona State Highway Commission
Geo W.P. Hunt, Governor
L.P. Mcbride, Chairman - H. Thompson, Vice Chairman - F.C. Steger, Commissioner
J.F. McDonald, Commissioner - Floyd Williams, Commissioner - M.C. Hankins, Secretary
Engineering Organization
W.C. LeFebvre, State Highway Engineer - W.W. Lane, Chief Engineer - R.A. Hoffman, Bridge Engineer
L.C. Lashmet, Desiging Engineer - R.C. Perkins and W.R. Hutchins, District Engineers
R.C. Bond, Resident Engineer - W.K. Claypool, Inspector
In Cooperation With
The United States Department of the Interior
Bureau of Indian Affairs
Hubert Work, Secretary
C.H. Burke, Commissioner of Indian Affairs
Fabricated and Erected by the Kansas City Structural Steel Co.
Courtesy hmdb.org