Does Henry have a valid argument under the U.C.C.?

Henry did not pay attention to the sign and drove off . While driving and attempting to navigate a turn, the lumber fell out of the truck. Henry got out of his truck and tried to retrieve the lumber when a car hit the lumber forcing Henry to the ground. He injured his knee. Henry sued Lumberyard Central for his injuries. One of the claims in Henry’s lawsuit was that Lumberyard retained the risk of loss until Henry reached his destination—his home. Does Henry have a valid argument under the U.C.C.? Detail your explanation.