India, Feb. 5 -- While motorists brace for the impact of the demolition of the 112-year-old Elphinstone Road Over Bridge (ROB) later this month, civic authorities are a worried lot too.

Lying ahead of them is the Herculean task of demolishing the British-era bridge that not only passes over railway tracks catering to the Central and Western lines but is also surrounded by two railway stations and several buildings. If that wasn't enough, the authorities also plan to install a double-decker single-fabricated steel open web girder weighing a massive 4,200 metric tonnes (MT).

The girder, costing Rs.167 crore, will support a double-decker bridge that will eventually replace the Elphinstone ROB. The lower tier will be the actual replacement ...