Backyard Railroad Railroad Ties For Bridge?

Railroad ties for bridge? - backyard railroad

I built a deck in my backyard on a wide gap 4 '. I have regularly spaced thresholds 3rd March in the ditch and contracts established cross perpendicular to the obligations 2x12 deck. I arranged to drive a truck, but I'm really nervous about driving with it now. In the case of compounds with a capacity for the weight of a truck? I distance of the two moves in alignment with the wheels of the car.