[1] This rail bridge starts from Bhayandar at the northern end of the Salsette Island, passes through the Panju Island, and ends at Naigaon on the mainland side.
When the BB&CI Railway's (precursor to Western Railway) first line was to be laid between Ahmedabad and Bombay, the Bassein Creeks (Vasai Creeks) were among the more formidable obstacles.
The creeks were regarded as 'tidal', with high and low tides ranging a difference of around 15 ft (4.572 m).
The Bridges were erected with 60 ft (18.288 m) deck Warren Girders, on 2'-6'' (0.762 m) diameter cast iron screw piles.
These would move in circular paths on rafts anchored in set positions.