Howrah bridge is one of the finest cantilever bridges in the world.Out of the total 26,500 tons of steel used ,TATA iron and steel company supplied 23,500 tons of steel.

One night,while grabbing out the muck to enable the caisson to move ,the ground below it yielded and the entire mass plunged down two feet,shaking the ground.The impact of this shake was so intense that the seismograph at khidirpore had registered as earthquake.

The Hawrah Bridge Had a single 450 m span.It is technically a cantilevel truss bridge,constructed entirely by riveting ,without nuts and bolts.