Board Thread:Naruto Discussions/@comment-26773508-20150729045448/@comment-26773508-20150729151657

^^What Elveonora said. Also, unless Konoha kept checkpoints around the destroyed bridges, as Umishiru suggested, then the destruction of the bridge seems pointless. All the Iwa nin would have to do is to walk on water. Or if they need a bridge so bad, just do a simple doton bridge jutsu and bam! problem solved! Building a bridge by doton jutsu shouldn't cost much resources at all. Two or three shinobi could collaborate and use their doton jutsu together to build a bridge with little chakra consumption. The only way the destruction of the bridge would be useful is if Konoha keeps checkpoints at the destruction site