Construction Strategies and Techniques for Planned Bridge Replacements in Complex Scenarios

By: Transportation Research Board and National Academies of Sciences, Engineering, and Medicine and National Cooperative Highway Research Program and Başak Bektaş

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Synopsis: State departments of transportation (DOTs) undertake numerous bridge replacements annually. Specific replacements present unique challenges among these projects due to location restrictions, mobility implications, design characteristics, and environmental constraints. NCHRP Synthesis 645: Construction Strategies and Techniques for Planned Bridge Replacements in Complex Scenarios, from TRB’s National Cooperative Highway Research Program, documents practices and decision-making used by state DOTs for planned bridge replacements in complex scenarios.