Article ID: CBB281968075

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

unapi

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
Simmons, David
Louis W. Potts
Frances C. Robb
Baltimore and Ohio Railroad Historical Society
Richard C. Carpenter
David Guise
Concepts
Railroads
Industrial archaeology
Bridges
Bridges, Railroad
Artifacts
Photographs
Time Periods
19th century
20th century
21st century
18th century
Places
United States
Illinois (U.S.)
Minneapolis, MN
Missouri (U.S.)
Mississippi River (North America)
Iowa (U.S.)
Institutions
Wisconsin Central Railroad Company
Pennsylvania Railroad
Chicago, Burlington & Quincy Railroad Company
Baltimore and Ohio Railroad
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