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原文传递 Bridge Preservation Guide: Maintaining a Resilient Infrastructure to Preserve Mobility, Spring 2018.

题名：	Bridge Preservation Guide: Maintaining a Resilient Infrastructure to Preserve Mobility, Spring 2018.
关键词：	Bridge Preservation Guide, Infrastructure, Bridge preservation, Resilient, Federal-aid Highway Program
摘要：	State departments of transportation (DOTs), local agencies, and other bridge owners face significant challenges in addressing the needs of their aging infrastructure. Due to limited funds and increased competition for funds among highway assets, bridge owners are challenged to cost effectively preserve and maintain their bridges to support overall highway mobility. However, having a “worst-first” approach to bridge management by focusing only on replacing poor bridges while ignoring the maintenance needs of good and fair bridges is inefficient and cost-prohibitive in the long term. A successful bridge program seeks a balanced approach to preservation and rehabilitation/replacement. Bridge owners are striving to be more strategic by adopting and implementing systematic processes for bridge preservation as an integral component of their overall asset management. This guide defines bridge preservation terms and identifies commonly practiced bridge preservation activities. It also provides guidance to State governments and other bridge-owning agencies on establishing or improving existing bridge preservation programs as part of an asset management program. This guide is intended for Federal, State, and local bridge engineers; bridge owners; and bridge preservation practitioners to support the Federal-Aid Highway Program
报告类型：	科技报告