Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch to the supports at each end. These supports, called the abutments, carry the load and ...

Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch to the supports at each end. These supports, called the abutments, carry the load and ...

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 ...