RI Unnamed Creek Culvert (Oskaloosa)


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Name RI Unnamed Creek Culvert (Oskaloosa)
Built By Chicago, Rock Island & Pacific Railway
Currently Owned By Private Owner
Contractor Unknown
Length 12 Feet Total
Width 1 Track (70 Feet)
Height Above Ground 10 Feet (Estimated)
Superstructure Design Concrete Arch
Substructure Design Concrete
Date Built c. 1900
Traffic Count 0 Trains/Day (Bridge is Abandoned)
Current Status Abandoned
Significance Local Significance
Documentation Date 2/27/2021

In 1872, the Chicago, Rock Island & Pacific Railroad (Rock Island) constructed a 28-mile railroad line, extending from an existing railroad at Washington, Iowa to Signourney, Iowa.  The line was extended another 25 miles in 1875, reaching Oskaloosa, Iowa.  The following year, an additional 25 miles were constructed to Knoxville, Iowa.  In 1880, the railroad was reorganized as the Chicago, Rock Island & Pacific Railway (Rock Island).  This line formed a secondary route for the Rock Island, roughly paralleling the existing mainline between Iowa City, Iowa and Des Moines, Iowa.  This line also provided access to coal fields located in south central Iowa. The Rock Island struggled financially throughout much of its history, experiencing repeated bankruptcies and chronic instability. In 1938, the segment between Oskaloosa and Knoxville was abandoned.  After World War II, the Rock Island struggled to survive, proposing mergers and deferring maintenance on their routes. The railroad reorganized as the Chicago, Rock Island & Pacific Railroad in 1948.

Another section of this line between Keota and Oskaloosa was abandoned in 1967.  By the mid-1970s, the railroad was in serious decline.  The railroad secured loans to eliminate slow orders, acquired new equipment, and attempted to restore profitability.  Several sections of this line had fallen into serious disrepair, hampering the Rock Islands ability to maintain efficient operations.  In 1978, the railroad came close to profit, but creditors were lobbying for a complete shutdown of the Rock Island.  During the fall of 1979, a strike crippled the railroad, and by January of 1980, the entire system was ordered to be shut down and liquidated.  Many of the lines and equipment were scrapped.  Profitable sections of railroad were prepared for sale.  In 1983, the Kewash Railroad (KWTR) purchased the remaining segment Washington to Keota, before ultimately abandoning it in 1988.  Today, much of this line is abandoned and has been converted to farm fields.  A short segment between Washington and Keota has been reused as part of the Kewash Trail.  


Located along Suffolk Road west of Oskaloosa, this small concrete arch bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) branch line over an unnamed creek. The first bridge at this location was likely a timber pile trestle, constructed when the line was first built. In the late 1890s and early 1900s, the Rock Island made some upgrades to this line, replacing many of the most deteriorated timber bridges with steel and concrete structures. It is believed that the present bridge was constructed in approximately 1900. Currently, the bridge consists of a 12-foot concrete arch, set onto concrete substructures and constructed for a single track at a width of 70 feet. The superstructure follows a standard design, with a semicircular arch and short headwalls. The substructure also follows a standard design, with short sloped wing walls which extend at an angle from the bridge. It is unclear if the bridge was constructed by railroad company forces or by an unknown contractor. Concrete arches were popular for railroad use, as they were durable and easy to construct. After the Rock Island abandoned this line in 1938, the bridge reverted to an adjacent landowner. Since then, it has remained abandoned, although it may occasionally be used for private vehicle traffic. Overall, the bridge appears to be in poor condition, with significant spalling and cracking throughout the structure. The author has ranked this bridge as being locally significant, due to the common design.


Citations

Railroad History Citation ICC Valuation Information, Compiled by Richard S. Steele

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