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Re: Input Bridges
Note that the definition of a bridge opening is dependent upon if you are using HEC-RAS or HEC-2. If you are using HEC-2, then it is further dependent if you are wanting to construct a Special Bridge or Normal Bridge.
RiverCAD handles all of these, and by convention you simply "declare" the structure at the downstream face cross section of the bridge opening. RiverCAD then will fill in all of the remaining details--as long as you know what the details are.
Note that there are tutorials for both HEC-RAS and HEC-2 bridge structures. However, if you are having difficulty, please call our technical support team toll-free at 800-488-4775.
Chris Maeder, M.S., P.E.
Senior Technical Engineer
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