A method for filling up a parking structure with vehicles, which comprises at least one parking level, wherein vehicles can be parked on the at least one parking level, which are allowed to have a combined weight with a maximum value, which is specified for the at least one parking level, includes: when entrance to the parking structure is requested for a new vehicle at a time when it is still located outside of the parking structure the combined weight is determined as the sum of the weight of this new vehicle and the respective weights of other vehicles for which entrance is granted to the at least one parking level at that time, and in the event that the combined weight of the vehicles for a parking level of the at least one parking level is at most as large as the maximal value specified for this, entrance to this one parking level is granted for the new vehicle, and in the event that the combined weight of the vehicles for each parking level of the at least one parking level is greater than the maximum value of a particular parking level, entrance to the parking structure is refused to the new vehicle.