Development of Alternative Bridge Superstructures for South Dakota Local Roads [SDOT]
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2019-01-31
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Corporate Contributors:South Dakota. Department of Transportation. Office of Research ; United States. Department of Transportation. Federal Highway Administration ; Mountain-Plains Consortium ; United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
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Edition:Final Report April 2015 – January 2019
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Abstract:The South Dakota Department of Transportation (SDDOT) allows the use of precast double-tee bridges in counties because they are economical and fast in construction. Alternative durable prefabricated bridge systems are needed to provide more options to local governments. This study was carried out to investigate the feasibility of alternative prefabricated bridge systems that can be incorporated in South Dakota. The project technical panel approved testing of two superstructure bridge systems: (1) precast full-depth deck panels on prestressed inverted tee girders and (2) glulam timber bridges. This report includes the design, construction, testing methods, and the recommendations for the selected bridge alternatives.
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