Criteria for a WYDOT culvert selection policy.
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2012-12-01
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Abstract:This report discusses geotechnical and material considerations for culvert design and selection. The purpose of this report is to present the
Wyoming Department of Transportation with information in order to alter, improve, and incorporate changes to their standard road and
bridge specifications. Research included in this study synthesizes AASHTO, ASTM, State DOT, and NCHRP literature among other
technical documentation, as well as State DOT surveys that outline important considerations for culvert design. Additional areas of
research discussed in this report include post-installation inspection of pipe culverts and LRFD culvert design procedures. The report
concludes with recommendations for changes to WYDOT’s specifications related to selection, design, installation, and inspection of
culverts.
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