c. 1930s although someone's writing below the photo states 1940's.

A real photo postcard of 1930s Yaquina Bay Bridge Newport Oregon ~ O.C.H. 101 probably a photographers mark. 

Work on the Yaquina Bay Bridge began in August 1934. Two years later, on Labor Day, the bridge opened to traffic – 135 feet above sea level and at a cost of $1.3 million.
Spanning 3,260 feet, with two 350-foot steel arches and a central 600-foot steel arch, the bridge was one of five designed by Conde McCullough on the Oregon Coast.

The bridge uses Art Deco and Art Moderne design motifs as well as forms borrowed from Gothic architecture. The Gothic influence is seen in the balustrade, which features small pointed arches, and in the arches of the side span piers.
The ends of the bridge are augmented by pedestrian plazas that afford a view of the bridge and provide access to the parks at the landings by stairways. Pedestals were provided for proposed sculptures of seals, but the statues were never executed.

Un-used and in very good condition.

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