It was one of the early major railway bridge to be constructed and comprised 22 stone arches of about 33 feet (10M) each span. It was part of the very first railway to operate in India and still carries the main-line traffic today [1]
Dapoorie Viaduct from British Library "Photograph Collection" [2]
The masonary arches could only span short distances and required many piers
[3]
References Note : all the three references that follow are incorrect - the viaduct that carried the GIPR railway from Thane on Bombay Island to the Indian mainland was the Tannah Viaduct
