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Lake Shore & Michigan Southern Railway, Bridge No. 6, Spanning Calumet River, east of Chicago Skyway (I-, Chicago, Cook County, IL



Data Pages


Photo Caption Pages


Item Title


Location
east of Chicago Skyway (I-, Chicago, IL

Find maps of Chicago, IL


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER IL-161
Unprocessed field note material exists for this structure (N651).
Building/structure dates: 1912 initial construction
See also HAER IL-156 for additional documentation.

Significance: The Lake Shore & Michigan Southern Railway's two parallel vertical-lift spans over the Calumet River, and two neighboring spans built by the Pittsburgh, Fort Wayne & Chicago Railway (of which one survives), are the largest multiple installation of Waddell and Harrington's patented design. Differences between the two pairs of bridges demonstrate disparity among American railroads' building codes, as well as Waddell and Harrington's refinement of the vertical-lift form. This site's many bridges built in close proximity is an artifact of intense competition among trunk lines entering Chicago from the east, and perhaps the greatest physical monument to the railroad capital of North America.

Subjects
Railroad Bridges
Vertical Lift Bridges
Railroad Companies


Related Names
Waddell, J. A. L.
Harrington, John L.
Dravo Contracting Company


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
LOOKING ESE AT PAIR OF LAKE SHORE & MICHIGAN SOUTHERN RAILWAY BRIDGES. SINGLE PITTSBURGH, FORT WAYNE & CHICAGO RAILWAY BRIDGE (HAER No. IL-156) AT RIGHT OF FRAME.
ELEVATION, LOOKING SOUTH FROM 95th STREET DRAWBRIDGE, WITH LAKE SHORE & MICHIGAN SOUTHERN RAILWAY BRIDGES IN RAISED POSITION.
LOOKING SOUTH FROM 95th STREET DRAWBRIDGE. CHICAGO SKYWAY TOLL BRIDGE (HAER No. IL-145) IN BACKGROUND, REMAINS OF BALTIMORE & OHIO CHICAGO TERMINAL RAILROAD BRIDGE IN FOREGROUND.
DETAIL OF CONNECTION BETWEEN LIFT CABLES AND CONCRETE COUNTERWEIGHT.
DETAIL OF CONNECTION BETWEEN LIFT CABLES AND CONCRETE COUNTERWEIGHT, SHOWING PROXIMITY OF PAIR OF SPANS.
LOOKING NORTH, SHOWING OPERATORíS HOUSE. REMAINS OF BALTIMORE & OHIO CHICAGO TERMINAL RAILROAD BRIDGE BEYOND.
VIEW LOOKING NW FROM CATWALK OF SE TOWER, SHOWING INTERIOR ELEVATION OF TOWER OPPOSITE. NOTE THAT CONCRETE PIERS DO NOT MATCH FOOTINGS PROJECTING SLIGHTLY ABOVE WATER.


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