Kacchi Dargah–Bidupur Bridge

Chief minister Nitish Kumar laid the foundation stone of the bridge in August, 2015. Upon completion in July 2025, the bridge will reduce the load on Mahatma Gandhi Setu and will also reduce the traffic in the capital city of Patna. The concrete-laying in a well foundation starting on 19 July 2017 on the Raghopur side. 67 well foundations would be constructed in Ganga while total 20 well foundations will be laid in 'Diyara' area of both sides of Ganga. 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. A bridge has been planned across the Ganges to connect Arrah and Chhapra. A road bridge parallel to the existing rail and road bridge, Rajendra Setu, has also been planned. The bridge will also require construction of of approach roads on both ends of the bridge. ==Construction==

The construction work of Kacchi Dargah–Bidupur Bridge has been divided into 3 Phases. Phase-1 is Kacchi Dargah on NH-31 to Raghopur Diyara, which was inaugurated by Nitish Kumar and traffic on bridge was opened to public on 23 June 2025. Phase-2 is Bidupur on Hajipur-Mahnar highway (NH-122B) to Chaksikandar on NH-322 is under construction. Phase-3 is Raghopur Diyara to Bidupur on Hajipur-Mahnar highway (NH-122B) is under construction. ==Structures==

• 6 Major junctions • 1 Grade separator • 4 Two lane loops • 8 Ramps • 2 Flyovers • 6 Viaducts • 2 Rotaries • 3 Bus stops • 1 Museum ==Highlight==

• First bridge of Bihar to be a 6 lane extradosed bridge • Longest bridge of India on river • Six lane highspeed corridor • All span navigational ==Advantages==

• The bridge will be a major connecting bridge between North and South Bihar • The work of external ring road of Patna • It will connect National Highway 31 and 322 ==See also==