CN Logan Street Bridge (Champaign)


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Name CN Logan Street Bridge (Champaign)
Illinois Central Railroad Bridge #128.0
Built By Illinois Central Railroad
Currently Owned By Canadian National Railway
Superstructure Contractors Unknown (West Tracks)
American Bridge Company of New York (East Tracks)
Substructure Contractors Unknown (West Tracks)
Bates & Rogers Construction Company of Chicago, Illinois (East Tracks)
Length 58 Feet Total, 58 Foot Span (East 3 Tracks)
58 Feet Total, 28 Foot Spans (West 3 Tracks)
Width 6 Tracks, 1 In Use
Height Above Ground 12 Feet 0 Inches
Superstructure Design Deck Plate Girder (East Tracks)
Concrete Encased Beam (West Tracks)
Substructure Design Concrete and Steel Bent
Date Built 1910 (West Tracks)
1923 (East Tracks)
Traffic Count 20 Trains/Day (Estimated)
Current Status In Use
Illinois Central Railroad Bridge Number 128.0
Canadian National Railway Bridge Number 128.0
Significance Local Significance
Documentation Date 11/13/2022

In 1851, the State of Illinois authorized the construction of a series of railroad lines, extending from Cairo, Illinois; located on the Ohio River, to the Mississippi River at East Dubuque, Illinois and to Chicago, Illinois.  The State awarded the Illinois Central Railroad with the land necessary to construct the new lines.  In 1852, construction in Chicago, and a short segment was completed to Kensington.  The following year, the line would be completed from Kensington to Kankakee, followed by Kankakee to Champaign in 1854.  Between 1855 and 1856, the line would be extended to Centralia, where it met the line to East Dubuque.  From here, the line would continue south,  extending to Cairo.  The line was an immediate success, and provided a critical transportation link for the State of Illinois.  In addition to connecting Chicago with southern Illinois, the line also connected through several moderate sized towns throughout Central Illinois. Soon after opening, the railroad needed to expand.  Prior to 1870, a second track had been constructed from Kensington to Chicago, and a third track was added in 1880.  Between 1881 and 1883, the double track would be extended to Kankakee, followed by the section to Gilman in 1890.  In 1893, the line was widened to eight tracks between Chicago and 67th Street, as well as to six tracks prior to 1908.  Between 1901 and 1902, the railroad double tracked the entire line between Gilman and Centralia.  Four tracks were constructed to Matteson in 1911, followed by to Monee in 1923.  Between 1920 and 1923, a third track was constructed to Otto.  To improve safety, the tracks would be elevated between Hyde Park in Chicago and Matteson between 1893 and 1923. 

By the 20th Century, the IC was a respected railroad, operating an extensive railroad network through the central United States.  This line continued to serve as the principal mainline for the IC.  Portions of the second main track were removed in the later part of the 20th Century.  In 1972, the IC merged with the Gulf, Mobile & Ohio Railroad (GM&O) to form the Illinois Central Gulf (ICG).  In 1988, the ICG was reorganized as the Illinois Central Railroad (IC).  In 1998, IC was purchased by the Canadian National Railway (CN), the current owner of the line.  Today, CN continues to operate the Chicago Subdivision between Chicago and Champaign, as well as the Champaign Subdivision between Champaign and Centralia.  The line continues to serve as an important mainline for the CN.  In addition, Metra offers a commuter service, the Electric District, between Chicago and Matteson.


View an article discussing the track elevation in Champaign

Located in Champaign, this multiple design bridge crosses Logan Street near Water Street. During the early 20th Century, railroads and municipalities sought to construct grade separations throughout cities. In 1910, the Illinois Central constructed a new subway at Logan Street. The bridge would consist of two 28-foot concrete encased beam spans constructed for three tracks, set onto concrete abutments and a steel bent pier. A double track spur bridge of the same design was constructed west of the bridge. In the early 1920s, the IC and the City of Champaign sought to elevate the remainder of the railroads tracks through the city. An additional three tracks of 58-foot deck plate girder span were added to the east side of the bridge, and the concrete abutments extended. In addition, a through plate girder span was constructed for a spur east of the mainline bridge. The deck plate girder spans would utilize concrete deck panels. It is unknown which company constructed the western tracks and western spur. The eastern tracks and eastern spur spans were fabricated by American Bridge Company, and the abutments constructed by Bates & Rogers Construction Company.

The concrete encased beam design was commonly used by railroads throughout the United States, as it was durable and easy to construct. By encasing beam spans such as this in concrete, the main span of the bridge could be constructed longer and stronger. This is particularly valuable where crossing wide roadways. Deck plate girder spans were commonly used by railroads, although are relatively uncommon where clearance underneath the structure needs to be maximized. It is possible the design was chosen to match the height of the adjacent structures. Overall, the bridge appears to be in fair condition, with some minor deterioration noted. The spur bridges were removed in 2011, during a street reconstruction. The author has ranked the bridge as being locally significant, due to the common design.


Citations

Builder and build date (east tracks) American Bridge Company plaque
Build date (west tracks) Illinois Central Gulf Illinois Division 1978 Track Profile
Railroad History Citation ICC Valuation Information, Compiled by Richard S. Steele

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