Ayres Knowledge Center Scour Evaluation: Bridges with Unknown Foundations | Page 13





For bridge 794004, the unsteady flow hydraulic simulations resulted in peak flow rates at the
bridge as shown in Table 1. All peak flow rates occurred on the rising limb (flood tide) of the
storm surge.


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Recurrence
Interval
100-year
500-year
!"#$"% #%&&&&&&&&&&&&&&&&&&&'()*+
Supplementary Report
Peak Flow
Rate (cfs)
42,340
92,780
,-./&#>&01&2#
3%4 #225%2&&&&&&&&&&&&&&&&&&67(89:&);&<=2
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