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Robert W. Hadlow

Robert Hadlow is a historian with the Oregon Department of Transportation and the author of Elegant Arches, Soaring Spans: C.B. McCullough, Oregon’s Master Bridge Builder. His current project is on the history of the Columbia River Highway.

Author's Entries

  • Columbia River Highway

    The Columbia River Highway, now known as the Historic Columbia River Highway, was a technical and civic achievement of its time, successfully mixing ambitious engineering with a sensitivity to the magnificent landscape of the Columbia River Gorge. Entrepreneur and Good Roads promoter Samuel Hill teamed up with engineer and …

    Oregon Encyclopedia

  • Conde Balcom McCullough (1887-1946)

    Conde B. McCullough, born in Dakota Territory in 1887, was raised and educated in Iowa, earning undergraduate and graduate degrees in civil engineering from Iowa State College. McCullough moved to Oregon in 1916 to teach structural engineering at Oregon Agricultural College (now Oregon State University). In 1919, he went …

    Oregon Encyclopedia

  • Rogue River Bridge

    The Rogue River Bridge spans the mouth of the Rogue River between Gold Beach and Wedderburn at milepost 327.64 on the Oregon Coast Highway (U.S. 101). Known as the Isaac Lee Patterson Bridge after the Oregon governor who promoted its construction, the bridge was completed in 1932. It is one …

    Oregon Encyclopedia

  • US 101 (Oregon Coast Highway)

    Many places on the Oregon coast were virtually inaccessible in the early twentieth century. Small fishing villages existed as remote outposts, separated by rocky headlands and timber-covered hills. The Roosevelt Coast Military Highway, named in honor of President Theodore Roosevelt, was a result of a renewed national sense of isolationism …

    Oregon Encyclopedia