<br /> Amazon Creek <br /> Location: 36" outfall pipe, SW corner of Polk St. bridge. <br /> <br /> Structure: Map Page 55. Structure # 56045. <br /> r <br /> w ' <br /> ~ <br /> ,4, <br /> w ~ ~ <br /> 1 _ <br /> 4 <br /> ,S <br /> Problem: Severe erosion/scour under concrete apron downstream of outfall. <br /> <br />