Historical Bridges, Golestan

Aq Qala Bridge, Gorgan 

 The Aq Qala Bridge is placed at the distance of 18 km. to the north of Gorgan and at the beginning of Gorgan River and Aq Qala city. This bridge is 74 meters in length and in both sides has refuges with 1.5 meters height and consists of four arches. The Aq Qala Bridge was constructed in the 9th century and repaired during the Safavid period.