Morrow County as of 2012 had a substantial number of remaining pin-connected pony truss bridges. This example stands out with its early 1884 construction date. It is also noteworthy for its hip verticals which are eyebars. Hip verticals in through truss bridges are often found to be tension eyebars, however this practice pony truss bridges is less common. The bridge had simple wooden railings, most of which have broken off of the bridge.
Information and Findings From Ohio's Historic Bridge Inventory
The bridge carries a 1 lane, unimproved road over a stream in a rural area of active farms. It is posted for 6 tons.
The 4-panel, 1 span, 58'-long and 12'-wide, wrought iron pin-connected Pratt pony truss bridge is supported on ashlar abutments. The truss lines are traditionally composed with toe-out channels with lacing for the verticals. The diagonals, end-panel floorbeam hangers, and lower chords are eye bars. This is a rare example of an eyebar floorbeam hanger used on a pony truss bridge.
Severe impact damage.
Summary of Significance
The 1884 pin connected Pratt thru truss was fabricated by the Massillon Bridge Co. The company sold many metal truss bridges to the county with the oldest extant example of their work dating to 1883. The bridge
is also one of 24 examples of the important bridge type in Morrow County with the oldest extant example dating to 1876. With its unusual eye bar floorbeam hangers, the bridge represents and early and non-standard design that makes
it historically and technologically significant in the development of the metal truss bridges.
The bridge is one of over 150 extant pin-connected truss bridges dating from 1874 for pony trusses and 1876 for thru trusses. Twenty six predate 1888 and represent the era of experimentation that evolved into standardized designs by about 1888. The bridge has moderate significance because it is a type that is common in Ohio.
Bridge Considered Historic By Survey: Yes
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