Mohajeran historical bridge which is known as Miss Kerpi Si bridge, is located at the distance of 35 km of northwest of Hamadan and 2km of tarmac road (Hamadan-Tehran), also it is located next to the Mohajeran Village. This bridge was one of the most beautiful and the oldest bridges in Bahar Township and Hamadan state. It dates back to the early ages of Qajar era and also late ages of Safavi era. Mohajeran Bridge has seven estuaries and pillars based on rubble. Its estuaries are decorated with zigzag arch. At the top of the main estuary, a memorial stone attracts your attention.