Iran (IMNA) - The Shahrestan Bridge is the oldest bridge on Zayandeh Rud in Iran. This ancient bridge is 107.8 meters long and an average of 5.2 meters wide. It has 13 arches in the bottom and 8 on the top. The higher sluices accelerate the passage of water during floods through taking pressure away from the structure.
The foundations of Shahrestan Bridge refer to 7th century Sassanian era but it was renovated in the 10th century and finally in the 11th century during the Seljuk period.
Interesting architectural point about this bridge is the vertical and horizontal parabolic. The vertical parabolic implies to the middle point of the bridge which has been constructed in the highest part and through horizontal parabolic a bend is constructed to the west in order to strengthen the bridge against the flow of the river.
This stunning bridge was used for military uses in the past and today there are lots of amazing parks and landscapes around it which give visitors the chance of enjoying such a rich atmosphere; this ancient bridge is an alive history beside a beautiful nature and environment. Shahrestan Bridge as the oldest bridge in Isfahan was registered on Iran’s National Heritage List in 1970.
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