View of Rock Creek Canyon showing the Moffatt railroad grade at upper right. "This two and one half miles of railroad track with tunnels No. 45, 46, 47, 48 and the big bridge across the creek was considered the costliest piece of grade on the railroad. A high bridge across the canyon in the foreground could have eliminated all this costly construction and maintenance and such a bridge was contemplated, but steel for the structure was unobtainable...

1930s: Rio Grande Railroad crane dropping section of bridge span into place, guided by men at either end of the span. Eagle River visible at left (Eagle, Colorado). "The Rio Grande Railroad began construction of the steel railroad bridge at Eagle in 1934." -- Those Were the Days, EVE Jan. 22, 2004 p.2 [Title supplied from catalog prepared by the Eagle County Historical Society.]