After reaching Dibrugarh in the afternoon from New Delhi, Modi directly flew to Bogibeel in a chopper and inaugurated the 4.94-km-long double-decker bridge from the southern bank of the river.
Modi along with Assam Governor Jagdish Mukhi and Chief Minister Sarbananda Sonowal also walked a few metres on the bridge.
The strategically important bridge over the mighty Brahmaputra will remove communication bottlenecks to several districts in Arunachal Pradesh.
The bridge, which begins at Dibrugarh and ends at Dhemaji districts of Assam, will connect parts of Arunachal Pradesh by road as well as railway.Bogibeel bridge, India's longest rail-cum-road bridge.
Photo: @RailNf Bogibeel bridge. Photo: All India Radio