Name | Katy Trail - Little Bonne Femme Creek Bridge |
Built By | Missouri-Kansas-Texas Railway |
Currently Owned By | Missouri State Parks |
Superstructure Contractor | A&P Roberts Company (Pencoyd Iron Works) of Pencoyd, Pennsylvania |
Length | 125 Feet Total |
Width | 1 Track |
Height Above Ground | 15 Feet (Estimated) |
Superstructure Design | Pratt Through Truss |
Substructure Design | Concrete |
Date Built | 1898 |
Traffic Count | 0 Trains/Day (Bridge is Open to Pedestrian Traffic) |
Current Status | Open to Pedestrian Traffic |
Significance | Regional Significance |
Documentation Date | 6/17/2016 |
In 1872, the Tebo and Neosho Railroad Company (T&N) constructed 72 miles of new railroad line, extending from Sedalia, Missouri to Moberly, Missouri. The new line crossed the Missouri River at Boonville, using an impressive iron bridge. The T&N would be acquired by the Missouri, Kansas & Texas Railway (MKT) in 1873. By the late 1880s, the MKT desired to enter the St. Louis area, and the Cleveland, St. Louis & Kansas City Railway began construction on 162 miles of new railroad, extending from New Franklin, Missouri to St. Charles/Machens, Missouri in 1890. The railroad would be completed by the Missouri, Kansas & Eastern Railway in 1893, and the railroad merged into the MKT in 1896. In 1899, the Missouri Midland Railway would complete a 13-mile branch line, extending from the mainline at McBaine, Missouri to Columbia, Missouri. The branch line was sold to the MKT in 1901. This railroad formed the eastern portion of the principal mainline for the MKT, connecting St. Louis to the MKT system which had greatly expanded into Kansas, Oklahoma and Texas during the 1880s. In 1923, the MKT reorganized as the Missouri-Kansas-Texas Railroad. In 1975, the line between Fayette and Moberly would be abandoned, and the New Franklin to Fayette segment would be abandoned in 1978. The Columbia line would be abandoned in 1980, and converted to a trail in 1982. Due to the proximity to the Missouri River, the line was prone to washouts. A severe flood in 1986 damaged the line, and it was decided to not repair the line. In 1988, the MKT was merged into Union
Pacific Railroad (UP), and UP would donate the line to Missouri State Parks. The line was then converted to trail use, opening between Machens and Sedalia in 1993. Today, the Machens to Sedalia segment is part of the Katy Trail, while the Columbia branch is known as the MKT Nature Trail.
Located on the west of the small town of Easley, this unusual Pratt through truss bridge carries the Katy Trail over Perche Creek. The first bridge at this location was likely a wooden trestle, constructed when the line was built. It is unknown if the current span is original replacement of this wooden trestle, or if there was an additional bridge at this location. The bridge consists of a 125-foot, 5-panel riveted Pratt through truss span, fabricated in 1898, and set onto concrete abutments. The truss span utilizes a slotted portal and sway bracings, solid heel bracings, riveted connections and a combination of solid and laced members. This span was constructed constructed by A&P Roberts Company, also known as Pencoyd Iron Works. The MKT contracted extensively with this company for bridges, and A&P Roberts provided numerous spans throughout the system. It appears that the concrete abutments were constructed at different times, with the east abutment appearing to date to the 1930s or 1940s. Pratt trusses were the most popular truss bridge design in the late 19th Century, as they were economical, durable and utilized a simple design. Most of these types of spans were pin connected structures, and the design fell out of favor in the 20th Century as riveted Warren spans were introduced. Riveted Pratt spans, particularly for railroad use, were uncommon. It is possible that the railroad preferred to use riveted connections for shorter spans, and this was the most suitable design at the time.
A historic report commissioned by Missouri State Parks also indicates the possibility that this span was relocated and extensively altered. An identical bridge, located near Pryor, Oklahoma; was fabricated the same year and by the same company, but was relocated to that location in approximately 1940 or 1941 as part of a spur to an Ammunition Facility. The Oklahoma Truss is identical to this truss span in almost every way. A third similar span was constructed in New Braunfels, Texas utilizes the same design, but was fabricated by Phoenix Bridge Company in 1901. Based on the other bridges, it appears that much of the material of this bridge is original to the bridge, although it cannot be confirmed if this span was relocated here. Railroads often reused steel and iron spans, as it provided a cost effective way to repair and replace bridges. Often, when a bridge became inadequate at one location, it could feasibly be reused at another location, with or without repairs. Overall, the bridge appears to be in fair to good condition, with no significant deterioration noted. A timber pile bent is present near the middle of the bridge, possibly being used as a helper bent. The southeast endpost also utilizes bolts instead of rivets, which were installed after a derailment in 1982 damaged the endpost. Currently, the bridge is used by the Katy Trail. The author has ranked this bridge as being regionally significant, due to the unique truss design.
Citations
Builder and build date | A&P Roberts Company plaque |
Railroad History Citation | ICC Valuation Information, Compiled by Richard S. Steele |