Use of Geomorphic Data for Assessing Stream Stability at Bridge Structuresby Jonathan Fuller,
Steven R. Walker,
Abstract: The authors recently completed a statewide bridge scour evaluation for the Nevada Department of Transportation, which included evaluation of the geomorphic processes of bank erosion and long-term scour at bridge structures. Key elements in identifying and quantify bank erosion and long-term scour included the following:(1) inclusion of a fluvial geomorphologist as part of the project team, (2) adequate data collection and analysis prior to field activities, (3) collection and analysis of historical and recent aerial photography, (4) use of historical topographic data and bridge construction plans, (5) site visits to each bridge structure, and (6) use of standardized forms and extensive photo-documentation to help prepare objective geomorphic evaluations and to document conclusions.
Subject Headings: Bridge tests | Scour | Historic sites | Infrastructure construction | Erosion | Data analysis | Data collection | Historic buildings
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