The Iowa Department of Transportation (DOT) is responsible for approximately 4,100 bridges and structures that are a part of the state’s primary highway system, which includes the Interstate, US, and Iowa highway routes. Many of these primary highway structures are impacted during flooding. The expected lifetime of bridges means they may experience different flood conditions under future extreme weather events.


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    Eastern Iowa's aviation heritage

    Fisher, Scott M. | SLUB | 2011


    Infrastructure Impacts of Iowa's Renewable Energy

    Nlenanya, Inya / Jiang, Weiwei / Sperry, Robert et al. | Transportation Research Record | 2011


    Iowa's Concrete Overlay Work

    British Library Online Contents | 1997