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Building the concrete arch bridge at Wolcott in 1917. The Pueblo Bridge Company began the project in 1916, on State Highway 131, crossing the Eagle River. The bridge has since been replaced. It is a good example of the Luten arch, patented by Indianapolis enginerr Daniel B. Luten in 1905. Luten arches, which resemble a horseshoe, quickly became the most widely built concrete arch in America. -- Spanning Generations, p. 37
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Looking through the arch (under construction) of the Red Cliff Bridge downward to the lower bridge leading into Red Cliff. Railroad tracks visible. Snow on the ground.
"Each [arch] rib came in six sections weighing from 17 to 22 tons apiece. The rib sections were hauled by truck from the depot, about a quarter of a mile away, to the highway bridge directly under the high line [of the arch]..." --CHD Bridge Engineer King Burghardt, in Historical...