Here is the cost comparison with the steel beam. 1-16"X 1-3/4" X 30' LVL is $178.20 at Menards. I would need 4 for a total cost of $712.80. The calcs are readily accepted by my LAHJ at 31,650lbs for 16' span for this using 2 LVLS and there are no special considerations needed for attachment...