| Show This Unique Bridge Has Worlds World's Shortest Life l F L ley NM Sv n r r l' l l Y Y r w Y Jl s 4 yr k S J r i x r t JR r y 4 t r t pa n I ti S Swinging a steel beam into place to close the last gap In one of the most unique bridges ever built Three thousand feet feel long one hundred seventy-five seventy feet high this million half dollar structure will be swallowed up in six months by the Hie rising concrete of Grand Coulee dam being built by the bureau of reclamation on tho the Columbia river in Washington The bridge was constructed as the most economical means of moving concrete concrete con con- crete from two great grent mixing plants one at either side of the river rivel over the foundation area of or the dam feet wide by feet long A part of the west section of or the dam can be seen in the background |