Restoration and Rehabilition of Bisotun Bridge An Article Based on the Master Thesis in Restoration with title of: Restoration and Rehabilition of Bisotun Bridge

Bisotun historic bridge, located in plains of Bisotun is one of the most important monuments of Bisotun’s site. According to the studies conducted during the last decade, this bridge which its construction backs to Sassanid period can be considered as an architecture museum of the area; as all historic periods of the residence in the Bisotun region can be seen in the architecture of this bridge. This unique feature which rarely is observed in the other monuments of the region has attracted the opinion of experts, especially archaeologists during the resent years. In this research, by investigation of the ancient ways of Bisotun’s site, it is resulted that this bridge located in cross road of ancient ways of western lands and plateau of Iran as well as the input port of Bisotun’s historic site. To identify the Bisotun Bridge, it is also tried to study the extensions of construction period, architectural elements, construction techniques, pathology, and ultimately the protection, restoration and rehabilition of the bridge.