This bridge is an excellent example of an uncommon bridge type in Ohio, a county highway bridge that is a rigid frame. As the historic bridge inventory notes, most Ohio examples, and indeed United States examples, were built in parks or on early limited access highways. Based on this statement, it is apparent that this bridge carrying a county highway over a drainage canal is an unusual example of its type in Ohio. Normally rarity implies significance, but the historic bridge inventory did not find this bridge historic. HistoricBridges.org does not agree with this finding. As an unusual implementation of the bridge type in Ohio it is significant. Further, the bridges historic integrity is excellent (although modern Armco guardrails have been added, the original railings remain as well) and the bridge's structural condition is so good it could almost be described as like-new. Because its historic and structural integrity is so high, the bridge is a good example of its type and its preservation is certainly feasible.
The inventory comments that the rigid frame bridge does not lend itself to standardization, which is a statement that might be questioned by some bridge historians since the province of Ontario Canada built standardized rigid-frame bridges in massive quantities for both river crossings and limited access highway overpasses. In Ontario, the rigid-frame is perhaps one of the most common 1930-1970 bridge types.
Information and Findings From Ohio's Historic Bridge Inventory
The bridge carries a 2-lane road over a drainage canal in a rural setting of active agriculture. There is a T-shaped intersection at one end of the bridge.
The 1 span, 49'-long, reinforced-concrete rigid frame bridge has concrete balustrades that extend over the flared wingwalls.
Summary of Significance
The 1940 rigid frame bridge has no unusual of
distinctive features. Rigid frame bridges have an intrinsic, shallow
arch profile because of the material required at the knees where the top
and legs meet and where the stresses are greatest. The bridge type was
introduced in the U.S. during the 1920s and was appearing in Ohio by the
late 1920 and early 1930s. It was commonly used in park or park-like
settings where an economical but aesthetic bridge was desired, although,
as with this bridge, it wasn't always the case. This example built in
1940 by Lucas County does not have the architectural distinction or
proportions of the most successful examples. There are at least 45 rigid
frame bridges dated from the late 1920s to 1950s in the study (Phase 1A,
Bridge Considered Historic By Survey: No
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