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Folders: ROOT > ScienceBase Catalog > Bathymetric and Topographic Surveys of the French Broad River at Highway Construction Sites near Asheville, NC ( Show all descendants )

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The North Carolina Department of Transportation (NCDOT) began work on a highway widening project on Interstate-26 (I-26) in January 2020. The French Broad River flows adjacent to and under I-26 in the project area, located in Buncombe County of North Carolina. The NCDOT identified channel and streambank morphology as a potential indicator they were interested in monitoring at three focus areas to track impacts from construction activities. The U.S. Geological Survey (USGS) in cooperation with the NCDOT conducted a single-beam bathymetric survey of one of the three focus areas in June of 2019, approximately seven months before construction was to begin. The survey extended from 300 meters (m) upstream to 500 m downstream...


    map background search result map search result map Single-beam bathymetric survey of the French Broad River near the Interstate-26 bridge located South of Asheville, NC – June 2019, Pre-construction Single-beam bathymetric survey of the French Broad River near the Interstate-26 bridge located South of Asheville, NC – June 2019, Pre-construction