This report provides the results of a detailed Level II analysis of scour potential at structure BURKTH00310035 on Town Highway 31 crossing the West Branch Passumpsic River, Burke, Vermont (figures 1-8). A Level II study is a basic engineering analysis of the site, including a quantitative analysis of stream stability and scour (FHWA, 1993). Results of a Level I scour investigation also are included in appendix E of this report. A Level I investigation provides a qualitative geomorphic characterization of the study site. Information on the bridge, gleaned from Vermont Agency of Transportation (VTAOT) files, was compiled prior to conducting Level I and Level II analyses and is found in appendix D.
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USGS Numbered Series
Level II scour analysis for bridge 35 (BURKTH00310035) on Town Highway 31, crossing the West Branch Passumpsic River, Burke, Vermont