Article ID: CBB281968075

Extant Approach Spans of the Dunleith and Dubuque Bridge (2005)


In 1868 the Keystone Bridge Company erected a railroad budge across the Mississippi River connecting Dunleith (now East Dubuque), Illinois, and Dubuque, Iowa. The Dunleith and Dubuque Bridge was a crucial link between eastern and western railroad systems and a notable example of post-Civil War bridge-building technology. Four years later, in 1872, the company replaced the original western (Dubuque) approach trestle with seven identical iron spans built to the same general specifications of the main bridge. Three of those spans still exist. Together, they are historically significant and rare artifacts of an important era in the nation's economic and industrial development.

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Authors & Contributors
Darnell, Victor C.
Simmons, David
Mende, Michael
Gordon, Robert B.
Robert Knopf
David J. Leider
IA. The Journal of the Society for Industrial Archeology
American Heritage of Invention and Technology
Sooauthor Publishing
The Johns Hopkins University Press
Northern Illinois University Press
South Platte Press
Indiana University Press
Voyageur Press
Industrial archaeology
Bridges, Truss
Civil engineering
Johann Wilhelm Schwedler
Haupt, Herman (1817-1905)
Chanute, Octave
United States
Illinois (U.S.)
Iowa (U.S.)
Minnesota (U.S.)
Missouri (U.S.)
Mississippi River (North America)
19th century
20th century
18th century
21st century
Pennsylvania Railroad
Wisconsin Central Railroad Company
Chicago, Burlington & Quincy Railroad Company

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