Arch bridges are one of the oldest types of bridges ... The New River bridge Today materials like steel and pre-stressed concrete have made it possible to build longer and more elegant arches ...
Lovingly called the "Coat Hanger" by locals, this towering structure is the world's largest steel arch bridge. And while you can capture stunning pictures of the bridge from one of Sydney Harbour ...
“The arrival of the first arch at the Portal North Bridge site ... concrete piers, structural steel bridge spans, rail systems and demolition of the existing bridge. Lead structural engineer ...