Gavmishan Bridge

Gavmishan Bridge is a historic bridge in Darreh Shahr County, Ilam Province, Iran. The bridge was built in the late Sasanian era on Karkheh River, parts of which constitute the modern-day border of Ilam and Lorestan provinces. It is 175 m (574 ft) in length and about 8 m (26 ft) in width. It has the longest arch span among the ancient bridges in Iran and the world. Many experts consider it an engineering feat, considering the time when it was built, the material used and the floods it has withstood during its age of 1,400 years.

Gavmishan Bridge

پل گاومیشان
The bridge in modern day.
Coordinates33°05′02″N 47°32′15″E
CrossesSeymareh River
LocaleBorder of Ilam and Lorestan Provinces
Maintained byICHTO
Heritage statusIran National Heritage List
Registry Number2222
Characteristics
DesignArch
MaterialMortar, Brick and Rock
Total length175 m (574 ft)
Width8.2 m (27 ft)
Traversable?No
Longest span33.7 m (111 ft)
No. of spans6
Piers in water2
Design lifeAround 1400 years
History
Construction endLate Sasanian Era
CollapsedDuring Muslim Conquest of Persia
Location

It is believed that the bridge was intentionally destroyed by the Persian army to stop or slow down the invasion of Arabs during the Muslim Conquest of Persia in the 7th century.

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