Does anyone know for sure how the program creates the two internal bridge sections? I know it copies them from upstream and downstream, but where are the actual "cut lines" located with respect to the stream centerline? And how are they oriented? Notice how if the two upstream and downstream sections are different lengths, the bridge, as shown on the geometric plot looks as if as trapezoid has been formed using the 0 and last station points of the upstream and downstream sections--and that the bridge was formed inside those boundaries. Better yet!! It asks for a distance from upstream section and deck width, but is the deck actually the same width all the way across when the two upstream and downstream sections are not parallel? Where is that distance measured along? the centerline? or is it just a straight distance? Any insight?
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