Chicago & Alton Railroad Bridge, Spanning South Branch of Chicago River, Chicago, Cook County, IL
Summary
Significance: The Chicago & Alton Railroad bridge was the first Page bascule erected for railroad use. Patented by John W. Page, a Chicago engineer, the Page bascule was not as extensively built as other patented systems such as the Strauss-Trunion bascule. This Chicago & Alton bridge may be the only one of its kind in existence.
Survey number: HAER IL-104
Building/structure dates: 1906 Initial Construction
Tags
Date
1969 - 1980
Contributors
Historic American Engineering Record, creator
Hughes, William M
Kelly & Atkinson Company
American Bridge Company
Page, John W
Location
chicago, 41.88757, -87.62335
Source
Library of Congress
Copyright info
No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html