I am looking at a bridge rehab where I might consider replacing the old girders with shallower depth girders. The end spans are simple spans and I don't want to have to modify the abutments. I was thinking of just putting a haunch at the ends of the girders to make up for the lack of depth. Is haunch the correct term to use? Basically the girder would transition to be deeper at the ends. Does anyone know where I can find more information about something like this? I am struggling to find any information and I don't wont to cause some kind of fatigue or fabrication problem.
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