Hydro-Marine Construction Co., Inc. (HYDRO) Hydro was the low bidder for substructure repair on four long-span bridges for the New York State Bridge Authority (NYSBA). These projects are slated to begin in May and June 2022, respectively. In addition, W.J. Castle, P.E. & … [Read more...] about W.J. Castle, P.E. & Associates, P.C. Awarded Underwater Inspection/Surveying Six Long-Span Bridges New York State Bridge Authority