This solidifies light into the form of a rainbow-hued bridge that can hold up to 1,800 pounds of weight and span a distance of up to 64 yards. The width can be just about anything desired, so long as the whole bridge fits within a 32 yard radius circle, so the wider the bridge, the shorter the distance it can span.

This spell and Rainbow are always sold together.

Rainbow Bridge [90] 
    Illusion [60] 
        Ranged [+40%] 
        Area Effect (32 yard radius) [+200%] 
        Independence [+40%] 
        Extended (Touch) [+20%] 
        Only Illusions of Rainbow-Hued Bridges [-80%] 
    Telekinesis 30 [30] 
    Link [+10%] 
    Takes Extra Time 5 [-50%] 
    Magical [-10%] 
    Spell Components [-30%] 
        Must say "rainbow" in Latin 
        Must gesture with hands 
        Must be able to see a rainbow 
            Seeing light through a prism works