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Ashland Avenue Calumet Sag Channel Bridge

Ashland Avenue Calumet Sag Channel Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: June 28, 2011

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Facility Carried / Feature Intersected
Ashland Avenue Over Calumet Sag Channel
Location
Blue Island: Cook County, Illinois: United States
Structure Type
Metal 10 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Pre-Stressed Concrete Stringer (Multi-Beam), Fixed
Construction Date and Builder / Engineer
1932 By Builder/Contractor: Unknown
Rehabilitation Date
1997
Main Span Length
250.0 Feet (76.2 Meters)
Structure Length
378.3 Feet (115.3 Meters)
Roadway Width
44 Feet (13.41 Meters)
Spans
1 Main Span(s) and 2 Approach Span(s)
Inventory Number
16029404047

Historic Significance Rating (HSR)
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Bridge Documentation

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

This bridge is an example of an older Calumet Sag Channel through truss. As an older bridge it uses only rivets and no bolts, and also uses v-lacing and lattice extensively on its built-up beams. These aspects give the bridge a superior geometric beauty to the many later truss bridges crossing the waterway. This bridge carries heavy traffic but remains in good condition overall. It appears that the piers were altered with supplemental supports that extend behind the piers, perhaps to prevent the piers from rotating into the channel over time. The approach spans have been replaced with pre-stressed stringer spans. The through truss span retains good historic integrity however.

Main Plaque

STATION 297 - 50

BUILT 1932 BY

STATE OF ILLINOIS

BOND ISSUE ROUTE 49

SECTION 146 - B2

Rehabilitation Plaque

STATION 1+000.000

REBUILT 1997 BY

STATE OF ILLINOIS

F.A.U. RT. 2857 SEC. 146 (B&C) 2 R-1

F.A. PROJ. ACDPU-DPU-STPM-0016(3)

LOADING MS18

STR. NO. 016-0294

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General Chicago / Cook County Bridge Resources

Chicago's Bridges - By Nathan Holth, author of HistoricBridges.org, this book provides a discussion of the history of Chicago's movable bridges, and includes a virtual tour discussing all movable bridges remaining in Chicago today. Despite this broad coverage, the book is presented in a compact format that is easy to take with you and carry around for reference on a visit to Chicago. The book includes dozens of full color photos. Only $9.95 U.S! ($11.95 Canadian). Order Now Direct From The Publisher! or order on Amazon.

Chicago River Bridges - By Patrick T. McBriarty, this is a great companion to Holth's book shown above. This much larger book offers an extremely in-depth exploration of Chicago's movable highway bridges, including many crossings that have not existed for many years. Order Now Direct From The Publisher! or order on Amazon.

View Historic American Engineering Record (HAER) Overview of Chicago Bascule Bridges (HAER Data Pages, PDF)

Chicago Loop Bridges - Chicago Loop Bridges is another website on the Internet that is a great companion to the HistoricBridges.org coverage of the 18 movable bridges within the Chicago Loop. This website includes additional information such as connections to popular culture, overview discussions and essays about Chicago's movable bridges, additional videos, and current news and events relating to the bridges.

Additional Online Articles and Resources - This page is a large gathering of interesting articles and resources that HistoricBridges.org has uncovered during research, but which were not specific to a particular bridge listing.

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Photo Galleries and Videos: Ashland Avenue Calumet Sag Channel Bridge

 

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Maps and Links: Ashland Avenue Calumet Sag Channel Bridge

Coordinates (Latitude, Longitude):

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2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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