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<br />II. LEVEL 1: QUALITATIVE AND GEOMORPHIC ANALYSIS OF THE <br />1-5 BRIDGE FAILURE <br /> <br />A. Flow chart of the typical steps in Level 1 analysis, The six identified <br />steps are generally applicable to most stream stability problems. For <br />application to the 1-5 bridge failure, Figure 19 (HEC-20) has been modified <br />to consider bridge and stream characteristics as part of a field <br />reconnaissance. <br /> <br />B. Overview of the Bridge and Brid!~e Failure, <br /> <br />NOTES: <br /> <br />43 <br />