Shapuri Bridge or Broken Bridge is a historical bridge from Sassanid era located in the south of Khorramabad in Lorestan province.
The bridge has 28 arches and 27 Pile bridges, each 61 square meters; five of its arches are intact and the others have been destroyed by natural factors.
The arches of the bridge have been constructed of stone, whereas the bridge itself is a mixture of stone and mortar.
Wikipedia https://en.wikipedia.org/wiki/Shapuri_Bridge
Coordinates 33°28'4.31" N 48°20'18.851" E