I've load rated hundreds of highway bridges using AASHTOWARE BrR but have never rated a bridge that carries a railroad. I have several railroad bridges I would like to rate using BrR. They are simple span steel through girder with built-up sections and floorbeams on tangent alignments. The...
I do a lot of load ratings using older plans and often the design loading is "HS20-44" or "HS20-44 with Alternate Military Loading". When I compare versus the bridge inventory it will sometimes include Alternate Military Loading when the plans only specify HS20-44. I know that "44" is the year...