Centering under construction Constructing an arch bridge can be tricky, since the structure is completely unstable until the two spans meet in the middle. One technique is to build elaborate ...

Instead of pushing straight down, the weight of an arch bridge is carried outward along ... the stones in the rest of the structure stay together by the sheer force of their own weight.

AECOM has designed a pedestrian bridge supported by a single arch in Chicago ... with long inclined arches on sweeping curves. The structure has a complicated geometry, which created challenges ...

Hill wanted a permanent structure that could accommodate trains steaming over at full speed. The Stone Arch Bridge’s sturdy design and gentle curve allowed for efficient, high-speed rail ...

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 ...