Photographs of Armitage Bridge (1887), also called Coburg Railroad Bridge and McKenzie River Railroad Bridge (historically, John Day Railroad Bridge), a single span Whipple through truss bridge over the McKenzie River, between Eugene and Coburg. Armitage Bridge is one of the few surviving examples of great bridge engineer George S. Morison’s distinctive designs featuring deep portal bracing with a diamond lattice pattern, making it a very significant historic bridge.