Along the way Famenin - Hamedan there is a jahan abad village. A bridge is based on the ghare chai seasonal river of the same name. There isn't any Information of the bridge's Builder.
The old road bridge in Hamedan - Tehran and Karbala has been that it's Antiquity back to the safaviyeh. This bridge Composed of 5 curved channle. In this bridge Main materials are little flat stones, Brick and mixture of sand and gravel.
The curved arches has one meter wide which increases the strength of the bridge. The brickwork is seen of nar style in the middle fountains and doesn't any decoration.
The columns are made to strengthen the bridge which will be used in the overflowed River and have the responsibility to pass water and breaking waves also have low water pressure.
reference: http://Hamedan.irib.ir/web/all/23-video/17059-bridge-the-fallen