(TRC2303) Arkansas Department of Transportation: Evaluation of Impacts Due to a Bridge Closure: A Case Study of the Mississippi River Bridges in Arkansas. The primary objective of the proposed research is to quantify the multi-modal traffic impacts due to a Mississippi River bridge closure. This study will consider different scenarios/combinations of bridge closures (i.e., full and partial bridge closures that take account of one/both directions, single/multiple lanes, and day/night closures) including all the Mississippi River bridges in Arkansas (i.e., I-40, I-55, Hwy 49, and Hwy 82 bridges). A comprehensive multi-modal analysis will be performed that considers the number of vehicles, trucks, and marine vessels/barges disrupted due to the bridge closure (with all potential scenarios/combinations) and applies detailed cost conversions to monetize direct (delays) and indirect (safety, infrastructure, operations) impacts. Also, this study will develop an Excel-based tool to conduct “what-if” analyses for decision-making purposes, whether for operation, maintenance, or planning activities.
Agency contact for this bid is ARDOT email@example.com
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