Rajendra Setu, or Simaria Bridge, is a bridge across the Ganges that was the first to link the northern and southern portions of the state of Bihar. The location of the bridge was based on the work of M. Visvesvaraya, who was more than 90 years old at the time. In a wheelchair, he visited the bridge site on the special request of Bihar's 1st chief minister, Dr. Shri Krishna Sinha. It was the first bridge over the Ganges to be built in independent India. The foundation stone of this bridge was laid by Rajendra Prasad in Presence of CM Dr. From Wikipedia