Triangular Composite Deck 3 way reinforcment. Where does the load go?

[see_gen_notes]

I have a triangular composite deck that's fully supported on one leg and pinned on the others. I need to determine if my pourstop can carry a wheel load all the way back to the support when the deck tapers out. So I have 3 layers of reinforcments to spread the load. The first one is the deck running the long ways (white line in the pic). Second, a layer of rebar that's perpendicular to the long edge (yellow line). And lastely, another layer of rebar that's parallel to the pinned short leg (red). So how would the load be distributed?