This bridge is a traditionally composed riveted truss bridge in Iowa. It conforms to a standard plan and a number of bridges similar in design to this one remain in Iowa, although the exact size and configuration varies from bridge to bridge making each bridge unique in some way.
An odd pattern of lines and grooves observed in the steel on the built-up top chord's channel is likely from the steel mill rolling equipment. There is a two span through plate girder railroad bridge next to this truss bridge also. It looks like a good representative example of its type. A photo of it is available in the photo gallery for this bridge, but the structure was not documented by HistoricBridges.org.
At the very least, the best representative examples of
standard plan truss bridges such as this one should be highlighted for
preservation to retain a record of this period in history. Longer spans,
multi-span examples, and unaltered examples should receive preservation
In reality however, the majority of these bridges are fully capable of being rehabilitated for continued rural vehicular use and there is no reason to even consider the demolition of these bridges whether highly noteworthy or not. Many of Iowa's truss bridges are on rural dirt roads that have not been exposed to the extremely corrosive de-icing salt that bridges in other states have suffered from. As a result, they retain a comparatively high degree of structural integrity due to a striking lack of pack rust and section loss. In addition, these bridges were built with a higher quality of materials and construction than any modern bridge (contrary to what AASHTO would have you believe). These truss bridges are much more beautiful than any modern bridge. They contribute to the Iowa landscape in a positive manner and are an asset to the state.
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