Montgomery Rail Bridge

Deck Plate Girder Bridge over Fox River and IL-25
Montgomery, Kendall County, Illinois

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Name Montgomery Rail Bridge
Built By Chicago, Burlington & Quincy Railroad
Contractor (Main Spans) King Bridge Company of Cleveland, Ohio
Contractor (Approach Span) American Bridge Company of New York
Currently Owned By Illinois Railway
Length 430 Feet Total, 80 Foot Main Spans
Width 1 Track
Height Above Ground 15 Feet (Estimated)
Superstructure Type Deck Girder, I-Beam and Trestle
Substructure Type Stone Masonry and Concrete
Date Built 1903, Approach added 1938
Traffic Count 2 Trains/Day (Estimated)
Current Status In Use
IR Bridge Number 41.25
Significance Local Significance
Documentation Date July 2015
In 1869, the Ottawa, Oswego and Fox River Valley Railroad began construction on a new mainline to connect Streator to Montgomery, a distance of 58 Miles. The line would be completed in very early 1871.

In Streator, the line would connect to a number of railroads heading towards Chicago. In Montgomery, it met with a Chicago, Burlington and Quincy Line, which made a connection to its namesake cities.

The OO&FRV became part of the Chicago, Burlington & Quincy in 1898. The CB&Q was a major powerhouse through Illinois and Iowa.

This line was used as a branch to connect Streator to Chicago. Streator also had two more CB&Q lines, heading east and west.
In Ottawa, this line would interchange with the Chicago, Rock Island & Pacific Railroad. It would also cross the Illinois River at Ottawa.

In addition, it crossed the Fox River two times: at Sheridan and at Montgomery.

By 1970, the CB&Q was merged with the Northern Pacific Railroad and Great Northen Railroad to form Burlington Northern, one of the largest railroads in America at the time.

The BN Operated this line, and in 1996 was merged with Atchison, Topeka & Santa Fe Railway to form BNSF.
BNSF trimmed extra branch lines soon after the merger. This line was sold to shortline Illinois Railway in December of 1997.

IR Currently operates this line as their Ottawa Branch, connecting to the BNSF Mendota Subdivision at Montgomery.

This large bridge crosses the Fox River between Montgomery and Oswego.
The bridge is a simply composed structure, comprised of 4 Deck Girder spans, an I-Beam span over IL-25, trestle on the north approach and concrete approach on the south side.
In 1903, the four main spans were constructed. By 1938, American Bridge Company would add the south approach.
The concrete slab approach is a modular design, added in the early 2000s, to replace wooden trestle.
The structure is best accessed from the east end, along IL-25. The bridge features stone and concrete substructures, signifying this was a former truss bridge.
Overall, the bridge appears to be in good condition, with no major deterioration noted.

The author has ranked this bridge as being locally significant, due to the common design.
The photo above is an overview.

Fox River Railroad Bridges
Upstream Aurora Trail Bridge
Downstream Sheridan Rail Bridge


Source Type


Build Date Builders plaques
Contractor Builders plaques
Railroad Line History Source ICC Valuation Information, Compiled by Richard S. Steele

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