Need help solving the problem. I am stuck and need help from here and if what I have is on the right path thank you.

Calculate axial loads acting on the columns A$,$ F$,$ and H$.$ Assume a uniformly distributed ultimate load of $55$ psf $($including the weight of concrete deck and live load$)$ over its surface area. Use service load in the calculation. Floor beams are W$18\backslash$times $76$ and girders are made of W$33\backslash$times $118.$Determine the loads acting on the floor beam BG and HM as well as girders KM and HI$.$ Determine tributary area $($At$)$ and influence area $($Ai$)$ for the column H$,$ I, and D in addition to floor beam BG$.|$