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TRB’s National Cooperative Highway Research Program (NCHRP) has released a pre-publication, non-edited version of Synthesis 505: Current Practices and Guidelines for the Reuse of Bridge Foundations. A sustainable option for many bridge replacement and rehabilitation efforts is reusing bridge foundations, which can result in time and cost savings as well as reduced mobility impacts and environmental benefits. However, foundation reuse presents significant challenges, including uncertainties in existing foundation condition, remaining service life, and capacity. This synthesis documents current practices and guidelines used by transportation agencies for the reuse of bridge foundations.
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