Zuoz Bridge

About

The Zuoz Bridge, also known as Innbrücke Zuoz is a three hinged reinforced concrete box girder hinged arch bridge designed by Swiss civil engineer Robert Maillart, and is the first box girder bridge to be constructed out of reinforced concrete. Constructed in 1901, this was the first of his independently designed reinforced concrete arch bridges.

Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.