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Cortland Street Drawbridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1900-1909DateCreated: 1902 RiverChicagoState: ILZip: 60642Country: USAWebsite: Ericson, John , Wilmann, Edward

In 1899, engineers from the City of Chicago's Division of Bridges and Viaducts performed a survey of moveable bridge design in the U.S. and Europe. Their study led to the conclusion that the unusual trunnion bascule design would best meet their needs.

Image Credit: Courtesy Flickr/Matthew Black (CC BY-SA 2.0)Image Caption: Cortland Street DrawbridgeEra_date_from: 1902
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