The Shahrestan bridge is the oldest bridge on the
Zayandeh River in
Iran
Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...
.
[Khatereh Moravej torbaty, Hosein Pour Naderi]
Based on comparative study of historic bridges of Isfahan
/ref> The foundations date back to the Sasanian
The Sasanian Empire (), officially Eranshahr ( , "Empire of the Iranians"), was an Iranian empire that was founded and ruled by the House of Sasan from 224 to 651. Enduring for over four centuries, the length of the Sasanian dynasty's reign ...
era (3rd to 7th century C.E.), but the top was renovated twice, first in the 10th century by the Buyids, then during the 11th century during the Seljuk period.
The bridge consists of two parabolas. The vertical parabola ensures that the middle of the bridge is its highest point. The horizontal parabola produces a bend to the west, strengthening it against the flow of the river. The bridge is 107.8 metres long and an average of 5.2 metres wide. It has two tiers of pointed arches, thirteen large ones spanning the river itself, and eight smaller ones that nest between them. The Zayandeh River has recently been diverted about 100 meters away from the bridge towards the south, leaving an artificial lake around the bridge to protect it from further damage.
Gallery
File:Shaherestan village , near Isfahan 1 by Eugène Flandin.jpg
File:Shahrestan Bridge (Isfahan) 004.jpg
File:Shahrestan Bridge (Isfahan) 005.jpg
File:Shahrestan Bridge (Isfahan) 002.jpg
See also
* Bridges over the Zayandeh River
References
External links
Archnet
- with photo
Bridges in Iran
Architecture in Iran
Buildings and structures in Isfahan province
Sasanian architecture
Transportation in Isfahan province
Bridges in Isfahan
Buildings and structures on the Iran National Heritage List
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