United States Department of Transportation
i
Alabama Bridge Management System Plus (ABIMS+) Phase 1 Final Report
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2007-12-31
[PDF-604.06 KB]
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TRIS Online Accession Number:01089664
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Edition:Final Report
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Abstract:The Federal Highway Administration (FHWA) requires funding allocation be based on bridge management policies developed in accordance with their guidelines. The American Association of State Highway and Transportation Officials (AASHTO) has recommended the following activities be included within a comprehensive bridge management system (BMS): (1) collect, process, and update condition data; (2) predict deterioration; (3) identify alternative actions; (4) predict costs; (5) determine optimal policies; (6) perform short- and long-term budget forecasting; and (7) recommend programs and schedules for implementation with policy and budget constraints. The current Alabama Bridge Information Management System (ABIMS) was created over a decade ago, prior to more recent guideline updates. ABIMS provided a means of collecting, processing, and updating condition data, but did not provide automated support for the remaining major tasks. Support for the remaining six activities becomes more critical as the state's bridge inventory ages and the backlog of bridges due for maintenance continues to grow, thus increasing the urgency behind the rehabilitation and replacement of bridges. Supporting these additional tasks will allow for effective utilization of federal and state budgets and a standard repeatable process to determine the bridges in most need of preventative maintenance, rehabilitation, or replacement. An extension to ABIMS, referred to as ABIMS+, is the next step in fulfilling AASHTO's recommendations. ABIMS+ generates Network Prioritization Reports and Target Condition Reports that: within a selected geographic area, identify a ranked list of bridges in need of rehabilitation and/or replacement; estimate the cost to restore a set of bridges to a target condition state for the current year; and estimate the overall achievable condition state of bridges given a limited budget.
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