o'sullivans bridge to inangahua junction, road bridge over the buller river at murchison, new zealand

architecture balaustrade below blue bolts bridge building buller close coast concrete construction detail district engineering forest frame framework girders industrial iron lattice matrix metal murchison new nuts over pillars pylon railing railings river road sky span steel structure support supports travel under vegetation west woodland woods zealand oamp x27 sullivans inangahua junction