File:PERSPECTIVE VIEW OF CONCRETE COUNTERWEIGHT, LOOKING SW ACROSS NORTH AVENUE. - Chicago, Milwaukee and St. Paul Railway, Bridge No. Z-2, Spanning North Branch Canal at North HAER ILL, 16-CHIG, 119-6.tif

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PERSPECTIVE VIEW OF CONCRETE COUNTERWEIGHT, LOOKING SW ACROSS NORTH AVENUE. - Chicago, Milwaukee and St. Paul Railway, Bridge No. Z-2, Spanning North Branch Canal at North Cherry Avenue, Chicago, Cook County, IL
Title
PERSPECTIVE VIEW OF CONCRETE COUNTERWEIGHT, LOOKING SW ACROSS NORTH AVENUE. - Chicago, Milwaukee and St. Paul Railway, Bridge No. Z-2, Spanning North Branch Canal at North Cherry Avenue, Chicago, Cook County, IL
Description
Wisconsin Bridge and Iron Company; Chicago, Milwaukee and St. Paul Railway; Canadian Pacific Railroad; Chicago Department of Transportation, sponsor; DeLony, Eric N, project manager; Chicago Department of Transportation, sponsor; Daley, Richard M, sponsor; Walker, Thomas R, sponsor; Kaderbek, S L, sponsor; Spivey, Justin M, historian; Lowe, Jet, photographer; Kranjcevic, Domagoj, delineator
Depicted place Illinois; Cook County; Chicago
Date Documentation compiled after 1968
Dimensions 5 x 7 in.
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER ILL, 16-CHIG, 119-6
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

Notes
  • Significance: The Chicago, Milwaukee and St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on shore rather than at mid-channel, with the resulting asymmetric truss balanced by a concrete counterweight, an early use of that material on a movable bridge. Aligned with Cherry Avenue, the bridge once carried limited vehicular traffic in addition to freight trains, making it perhaps the only surviving bridge in Chicago that once served that combination of modes. The bridge was crucial to the development of Goose Island, carrying the only rail line serving the industries and freight yard there.
  • Unprocessed Field note material exists for this structure: N645
  • Unprocessed Field note material exists for this structure: N964
  • Survey number: HAER IL-143
  • Building/structure dates: 1901-1902 Initial Construction
Source https://www.loc.gov/pictures/item/il0822.photos.318228p
Permission
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Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.

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current14:37, 17 July 2014Thumbnail for version as of 14:37, 17 July 20145,000 × 3,570 (17.03 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 16 July 2014 (1201:1400)

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