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Franklin Street Bascule Bridge

General Information

Completion: 1920
Status: in use

Project Type

Structure: Double-leaf bascule bridge
Function / usage: Road bridge
Material: Steel bridge

Location

Location: , , ,
Address: Franklin-Orleans Street
Coordinates: 41° 53' 14.57" N    87° 38' 9.01" W
Show coordinates on a map

Technical Information

Dimensions

total length 109.73 m
number of lanes 3

Materials

truss steel

Excerpt from Wikipedia

The Franklin–Orleans Street Bridge, commonly known as the Franklin Street Bridge, is a bascule bridge over the Chicago River, in Chicago, Illinois, United States. It was built in October 1920, and is located directly southwest of the Merchandise Mart. Connecting the Near North Side with "The Loop," is at the junction of the branches of the river, lying directly west of the Wells Street Bridge. It carries four lanes of traffic in the northbound direction, and sidewalks are available on both sides of the bridge.

Great Lakes Dredge and Dock Company was the contractor for the substructure, and the Ketler–Elliot Company was the contractor for the superstructure. Original electrical equipment was installed by C. H. Norwood. The bridge is an example of a trunnion bascule bridge, with each half of the roadway is cantilevered out from shore abutments. The bridge is extremely efficient to operate.

The bridge provided a new connection to the southern banks of the river and aided in westward expansion along Wacker Drive.

Text imported from Wikipedia article "Franklin Street Bridge" and modified on 23 July 2019 under the CC-BY-SA 3.0 license.

Participants

Construction
Renovation
Structural engineering

Relevant Web Sites

  • About this
    data sheet
  • Structure-ID
    20004756
  • Published on:
    31/08/2002
  • Last updated on:
    05/05/2021
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