This is a bridge that is both unique and beautiful. Its main span consists of three cantilever deck truss spans. Of these, the end spans are anchor arms and feature a Warren truss configuration. The center span has an arched shape and is composed of two cantilever arms that meet in the middle. There is no suspended span, just a hinge at the center of the span. This center span follows a Pratt truss configuration. This variation of truss configuration between cantilever arms and anchor arms is somewhat unusual. Approach spans to these main cantilever spans include simple Warren deck truss spans immediately on either side of the cantilever spans. At the extreme ends of the bridge, there are also a series of girder spans.
The bridge was designed by the Strauss Engineering Company, which was run by Joseph Strauss, a famous bridge engineer whose expertise centered around bascule bridges. He did occasionally design large fixed bridges, and was even chief engineer of the Golden Gate Bridge. However, fixed bridges associated with Strauss are fairly uncommon. It is interesting to observe the main span of this bridge. The way the cantilever arms meet in the middle, the way that the main span span has an arched shape, and the configuration of the truss as a Pratt all are similar to what you would find on a bascule bridge like the Jackson Boulevard Bridge. Perhaps we can see the influence of an engineer whose experience was with bascule bridges here in this fixed bridge?
Kelly-Atkinson Construction Company was the on-site contractor for this bridge. Steel for this bridge was fabricated by the prominent company of McClintic Marshall.
In 1933, this bridge one the prestigious award of Most Beautiful Steel Bridge from the American Institute of Steel Construction.
Today, this bridge retains good historic integrity with the one exception being the loss of the original railings on the bridge.
HistoricBridges.org currently only has a partial photo-documentation of this bridge, consisting mostly of overview photos as well as photos of the several plaques on the bridge.
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