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Spanish Hollow Bridge

Spanish Hollow Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 23, 2014

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Key Facts

Biggs: Sherman County, Oregon: United States
Structure Type
Concrete T-Beam, Fixed
Construction Date and Builder / Engineer
1936 By Builder/Contractor: Joplin and Eldon of Portland, Oregon and Engineer/Design: Conde Balcom McCullough (Oregon State Highway Commission)

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
70 Feet (21.3 Meters)
Structure Length
404 Feet (123.1 Meters)
Roadway Width
26 Feet (7.92 Meters)
7 Main Span(s)
NBI Number

Historic Significance Rating (HSR)
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Bridge Documentation

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

Oregon's historic bridges, especially those associated with famous state engineer Conde McCullough like this bridge have an unusually high level of aesthetic detailing that make them among the most beautiful of their type. This bridge exemplifies that level of aesthetics very well, both because its original details are unaltered, and also because this is a bridge type that in most states was used for mundane bridges with minimal aesthetics, yet here the structure is just as striking as the most ornate of concrete bridges. At the same time, there is evidence of economy in the bridge, since the fascia beams have a smooth, aesthetically pleasing arch shape to them, but the interior beams are not curved.

Information and Findings From Oregon's Historic Bridge Inventory


Seven 70-ft reinforced concrete continuous deck girder spans with arched exterior girders and simple haunched interior girders


State Highway Department under C.B. McCullough and G.S. Paxson


Joplin & Eldon


While the Spanish Hollow Bridge does lie on the old Columbia River Highway, its construction did not coincide with the construction of the initial route. Instead, it was part of an effort in the mid- 1930s to eliminate grade crossings with the railway along state highways. Due to its location on the scenic highway, the bridge is embellished with decorative features, including curved sidewalk brackets, arched exterior girders, a Gothic-type handrail and Art-Deco entry pylons.

Character Defining Features

Structure type, Location, Decorative features, Railing

Bridge Considered Historic By Survey: Yes


Photo Galleries and Videos: Spanish Hollow Bridge

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Maps and Links: Spanish Hollow Bridge

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