sentences:  Due to dilapidation of the second bridge, a third version was constructed in 1929 using reinforced concrete.Because of water diversion projects along the Shinano River throughout the early 20th century, the water level at the time of construction had decreased from 770 meters to 270 meters since the construction of the first bridge.Because of this, the third bridge was far shorter yet wider in order to allow for easy passage of automobiles.