The Bogibeel Bridge is a combined road and rail bridge over the Brahmaputra River in the northeastern Indian state of Assam between Dhemaji district and Dibrugarh district, which was started in the year 2002 and took a total of 200 months to complete, Bogibeel river bridge is the longest rail-cum-road bridge in India, measuring 4.94 kilometres over the Brahmaputra river. As it is situated in an earthquake-prone area it is India's first bridge to have fully welded steel-concrete support beams that can withstand earthquakes of magnitudes up to 7 on the Richter scale. It is Asia's second longest rail-cum-road bridge and has a serviceable period of around 120 years.
It is the 5th longest bridge in India after Bhupen Hazarika Setu, Dibang River Bridge, Mahatma Gandhi Setu and Bandra–Worli Sea Link. The bridge was constructed by a consortium of construction companies headed by Hindustan Construction Company. The bridge has a double rail line on the lower deck and a three lane road on the upper deck. It was inaugurated by Prime Minister Narendra Modi on 25 December 2018 on the occasion of Good Governance Day.