The Kacchi Dargah–Bidupur Bridge (Hindi: कच्ची दरगाह-बिदुपुर सेतु), currently under construction, will span the river Ganges, connecting Kacchi Dargah in Patna and Bidupur in Hajipur in the Indian state of Bihar.

[2] Upon completion in 2025, the bridge will provide an easy roadway link between the northern and southern parts of Bihar and will connect two major national highways, linking NH 31 to NH 322.

Chief minister Nitish Kumar inaugurated the construction of the 9.76 km-long (6.06 mi) bridge in August, 2015.

The concrete-laying in a well foundation starting on 19 July 2017 on the Raghopur side.

A JV of Daewoo E&C from Korea with Indian homegrown major L&T Construction is executing the Rs 3,115 crore bridge project which will be the longest bridge in India.