Maybe 0,0001???I don't believe the cost difference (between an interesting design and a boring design) for the engineering is more than 0.01% of the total cost of the bridge, in most cases.
Are you serious?
Are saying saying that this:
With all the massive steel arch which requires lot's of temporary support and precise welding to get assembled in the first place before we even start doing anything with the suspended deck.
Is no more expensive than this:
Simple structure which almost every contractor can build with closed eyes using few basic tools