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I-270 Chain of Rocks Canal Bridge

I-270 Chain of Rocks Canal Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: November 3, 2013

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and Videos
View Maps
and Links

Key Facts

Facility Carried / Feature Intersected
I-270 Over Chain of Rocks Canal
Location
Granite City: Madison County, Illinois: United States
Structure Type
Metal Cantilever 16 Panel Bolt-Connected Warren Through Truss, Fixed and Approach Spans: Metal Continuous Stringer (Multi-Beam),
Construction Date and Builder / Engineer
1963 By Builder/Contractor: American Bridge Company of New York, New York and Engineer/Design: Sverdrup and Parcel of St. Louis, Missouri

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
480 Feet (146 Meters)
Structure Length
1,990 Feet (607 Meters)
Roadway Width
30 Feet (9.14 Meters)
Spans
3 Main Span(s) and 9 Approach Span(s)
NBI Number
60003614266

Historic Significance Rating (HSR)

Bridge Documentation

This bridge no longer exists!

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

Download Original And Rehab Plans For This Historic Bridge

This historic bridge was demolished and replaced January-February 2015 By IDOT!

Although this bridge was a late example of cantilever truss bridge technology, it was an attractive structure that made an otherwise boring expressway drive something noteworthy. Indeed the ugliness of the steel stringer bridge that has replaced this truss bridge makes a great argument for preserving truss bridges for the sake of beauty alone. The bridge was noteworthy as a good representation of truss bridge construction in the 1960s. The use of bolts for field connections instead of rivets is indicative of the decline in use of rivets during this period, and the lack of v-lacing and lattice in the bridge's built-up beams is also indicative of a transition away from more complex forms of built-up beams during this period.

 

 

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Photo Galleries and Videos: I-270 Chain of Rocks Canal Bridge

 
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Bridge Photo-Documentation
Original / Full Size Photos
A collection of overview and detail photos. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
View Photo Gallery
Bridge Photo-Documentation
Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
View Video
CarCam: Eastbound Crossing
Full Motion Video
Note: The downloadable high quality version of this video (available on the video page) is well worth the download since it offers excellent 1080 HD detail and is vastly more impressive than the compressed streaming video. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.

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Maps and Links: I-270 Chain of Rocks Canal Bridge

This historic bridge has been demolished. This map is shown for reference purposes only.

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