As mentioned above, this concept design is challenged by the cost. As well as, it needs more resource to used, such as electricity, and human source for checking and repair system.
The problem of this design is if the Live Box are sent, can it be recycled or reuse? To make a product sustainable and environment friendly is important.
Since the article reported that this is the fourth edition of the design, most of the problems are solved during the refurbishment of product. So there are not many problems with the design as they tested with the publics. But they plan to make the bridge “stronger, longer, lighter, more compact and quicker to set up”.