It is believed that the first full-scale bridge was built when the relocation of the capital was carried out to Ohminomiya, and the east end of the original bridge was situated near Unjyu-ji Temple with Ryuo-sha, which is about 65m south of today's location.
本格的には近江宮遷都の時に架橋されたと考えられるが、当時は現在の位置より65m南の龍王社・雲住寺を東端としていた。