This bridge is a beautiful nine panel pin connected Camelback truss bridge. Pin-connected Camelback truss bridges are uncommon, far less common than Parker trusses, which would have more than five slopes to the top chord/end post system. This bridge features v-lacing on the verticals and under the top chord. The portal bracing is a narrow a-frame design. The 1995 rehabilitation date given for the bridge refers to when a new deck was added to the bridge. This new deck features a corrugated steel base, with an asphalt layer above which forms the driving surface. Original railings do not remain on the bridge, and have been replaced by modern Armco railings. The most recent paint work on the bridge included painting blue only the bottom part of the bridge, leaving silver paint and rust on the spectacular trusses that make up the bridge. While this painting effort is not visually pleasing, and while a complete repainting would be better for the long-term health of the bridge, painting the lower portions of the truss is the most important area to do if funds are short because this area will deteriorate long before any other parts of the truss will.
This bridge is just as rare, significant, and worthy of preservation as the covered bridges in Preble County that seem to get so much more attention than beautiful historic metal truss bridges such as this one.
The builder plaque was stolen from this bridge sometime after the 1980s. The old Historic Bridge Inventory photos show the Indiana Bridge Company plaque with its distinctive shape.
Information and Findings From Ohio's Historic Bridge Inventory
The bridge carries a 2 lane road over a stream in a rural area of active farms.
The 1 span, 180'-long, pin-connected Camelback thru truss bridge is traditionally composed of built-up compression members and eyebar tension members. It has A-frame portals but the builders plaques shown in 1980s ODOT survey photos are no longer present.
New galvanized corrugated deck, 1995.
Summary of Significance
The 1904 pin-connected Camelback thru truss bridge is a complete example of its type/design. This bridge type/design was developed in the 1870s and 1880s, so it is not an early example in the evolution of the
technology, but it is the oldest surviving example in the Ohio inventory. There has been no change in the bridge's status since the prior inventory. The eligible recommendation remains appropriate.
The pin connected thru truss bridge is one of 13 extant examples of bridges with polygonal upper chords and/or subdivided panels in the state that date from 1888 until 1923. It is of moderate significance given that the numbers in the population.
Bridge Considered Historic By Survey: Yes
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