Texas Culvert and Bridge Deterioration Models: Implementation Manual
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2021-11-01
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Alternative Title:Developing Deterioration Rates of Texas Bridges Using NBI Data [Project Title]
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Abstract:This report consists of a manual to be used in conjunction with Product 0-6979-P2, a set of 9 Excel workbooks that contain implemented bridge and culvert deterioration models. NBI/PonTex data items modeled were: Item 58, Deck Rating (11 models), Item 59, Superstructure Rating (17 models) Item 60, Substructure Rating (10 models) and Item 62, Culvert Rating (8 models). Product 0-6979-P2 workbooks automatically update all network deterioration results when the current network condition is updated. The culvert results also include an extra worksheet with cost estimates to rehabilitate culverts predicted to have ratings of 4 or less. This manual explains the basic organization of the workbooks and the type of forecasts and deterioration curves they provide. More importantly, it explains how to retrieve from PonTex the updated on- and off-system current network conditions, for each rating, each modeling family, and each age group, in terms of number of culverts, number of bridges, and total bridge area. Product 0-6979-P2 is an infrastructure management tool to assist TxDOT in bridge and culvert management.
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