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Potential Drift Accumulation at Bridges


Table 1. Sources of drift data by State

Table 2. Height and diameter of mature large trees, by region and species

Table 3. Percentage of selected bridges having spans shorter than the design log length

Table 4. Percentage of channel blocked by drift at selected scour-potential-study bridges

Table 5. Major phases and tasks in evaluating potential for drift accumulation at a bridge

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U.S. Department of the Interior, U.S. Geological Survey
Last update: Tuesday, 08-Jan-2013 14:46:25 EST
URL: http://tn.water.usgs.gov /publications/FHWA-RD-97-028/tabletab.htm
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