Record: 256 m
Main Span Record: 254 mThe main bridge is the type Nielsen-Lohse Bridge that spans the Hanshin Expressway Wangan Line across the Hamadera Canal in Sakai City, Osaka Prefecture. The span length is 254m, and it is a worldwide scale as a Nielsen bridge with a steel slab. For the superstructure, there was no clear guideline for the structural design method, so various structural studies were conducted and a design guideline was created. As for the two substructures, the starting side is located in the sea and the ending point is located on the quay revetment, and there are construction problems in designing the foundations. I did it. Motohashi won the 1992 Civil Engineering Society Tanaka Award (works).