|July 2017 (44.94556, -123.04250) Marion Street Bridge|
Independence Bridge and in some of the arch bridges by Conde McCullough along the Oregon coast. The designer of the Marion Street Bridge, Glenn S. Paxson succeeded McCullough as Oregon's Chief Bridge Engineer and may have used the arches as a tribute to his old boss.
courtesy of the City of Salem), it appears that this bridge originally had only a single pier at each support (it was widened in the 1980s). That explains why the steel plate girders continue along the approaches on the original bridge but have been switched to concrete for the approaches of the widening (see photo above).
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