Copper River & Northwest Railroad, Million Dollar Bridge, Spanning Copper River at Miles Glacier, Cordova, Valdez-Cordova Census Area, AK

Significance: One of two "impossible bridges" across the Copper R., one of unprecedented size and strength, built across the faces of two glaciers and key to the success of the CR&NWRR, which was to be the All American railway to the Yukon R., this bridge was associated with the drama of Michael J. Heney, railroader, and A.C. O'Neel, engineer and the Cordova coal controversy.

Survey number: HAER AK-10

Building/structure dates: 1909 Initial Construction

Building/structure dates: 1958 Subsequent Work

Building/structure dates: 1964 Subsequent Work

railroad bridges steel truss bridges vehicular bridges transportation railroad industry earthquakes valdez copper copper river northwest railroad northwest railroad million dollar bridge million dollar bridge miles glacier miles glacier cordova valdez cordova valdez cordova census area alaska history of alaska alaska free images alaska photographs copper river and northwest railway michael j heney historic american engineering record jet lowe a c o neel photo ultra high resolution high resolution library of congress

1969 - 1980

Library of Congress

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