This bridge is a most unusual structure. It essentially carries Sheridan Road over North Shore Channel, but more specifically over the Wilmette Pumping Station, which is the gateway between the North Shore Channel and Lake Michigan. The pumping station and the bridge are a single integral structure. In addition to going over the pumping station, the bridge features two spans that pass over the access roads and open paved space that provides access to the pumping station facility.
This bridge is historically significant as an unusual bridge that was designed as a part of a building, and also for its association with the development of the North Shore Channel. It is a largely unaltered structure of the canal that plays an important role in regulating the flow of the Chicago River. Dating to 1910-1911, the structure is in the same context as the other historic canal bridges in the area.The bridge is a concrete encased deck plate girder structure, an uncommon structure type. A somewhat early example of a bridge where concrete was a major structural element of the superstructure and deck, the bridge makes excellent use of the material, with numerous handsome architectural details having been cast into the concrete piers, railings, and building, greatly increasing the aesthetic value of the structure.
This bridge sits in the shadow of the enormous Baha'i House of Worship which is actually newer than the bridge and pumping house, but is nevertheless an intriguing and beautiful wonder of structural engineering worth checking out while in the area.
Edward B. Ellicott, pictured to the left, was the chief electrical engineer for the project.
Main Bridge PlaqueTHE SANITARY DISTRICT OF CHICAGO
NORTH SHORE CHANNEL
SHERIDAN ROAD BRIDGE
WILMETTE PUMPING STATION
DESIGNED FROM PRESIDENT ROBER R. McCORMICK'S
ORIGINAL SKETCH, BY THE ENGINEERING DEPART-
MENT OF THE SANITARY DISTRICT OF CHICAGO
UNDER THE DIRECTION OF GEORGE M. WISNER, CHIEF
ENGINEER, CARLTON R. DART, BRIDGE ENGINEER AND
FREDERICK L. BARRETT, ARCHITECT.
Sanitary District PlaqueERECTED BY
THE SANITARY DISTRICT OF CHICAGO
------ 1910 ------
ROBERT R. McCORMICK, PRESIDENT
BOARD OF TRUSTEES
North Shore Channel PlaqueTHE SANITARY DISTRICT OF CHICAGO
NORTH SHORE CHANNEL
G. M. WISNER, CHIEF ENGINEER
E. B. ELLICOTT, ELECTRICAL ENGINEER
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