Swing Bridge is a photograph by Scott Olsen which was uploaded on February 17th, 2021.
Title
Swing Bridge
Artist
Scott Olsen
Medium
Photograph - Photographs
Description
Built By-Chicago & North Western Railway
Contractor-American Bridge Company of New York
Superstructure Type-Double Intersection Warren Deck Truss and Deck Girder
Substructure Type-Stone Masonry
Date Built-1908
Deck Truss Swing Bridge over Root River
Racine, Racine County, Wisconsin
This unique swing bridge crosses the Root River in downtown Racine.
The bridge consists of a large Double Intersection Warren Deck Truss, which rests on a round pier. This span is made as a swing span. This main span is a center pivot span, meaning it is a continuous span. These types of spans are rare, particularly after the 1880s. This is because they are difficult to engineer. One miscalculation will lead to an entire span falling off the pier. The main truss has riveted connections. This span is set onto a stone pier. In addition, the bridge is approached by deck girder spans on either side. These are also set onto stone substructures. In terms of operation, the main swing span appears to retain the ability to move if necessary, with all the gears intact. However, the ends have been replaced with a stationary type of bridge shoe. Despite this, this is a significant boost in terms of historical integrity.
Uploaded
February 17th, 2021
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