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

Credits and Sources:

HMDB