This bridge is also known as Rangpo IBM bridge.[1][2][3][4]
This bridge constructed on Viaduct Engineering concept has 18 modules (slabs) glued to one another from either side making it tensile enough to face 8 to 9 Richter Scale Earthquake because Sikkim lies in seismic zone 5. The bridge has two lanes - one in either direction - and has footpath on both sides. The cost of the project was Rs.56 Crore approximately.[5]