The official authorization was received from The Board of Trade in London and in 1883 an administrative body was organized to finance it ; total cost was projected to be approximately £5,000.
However, John Grey Vesey Porter of County Fermanagh contributed his personal funds, so that the bridge could be built as designed.
[2] The bridge's structure consisted of a steel bowstring girder construction with a span of 37 m (120 ft) pivoting on a central pier.
[3] It was named for Michael Davitt, 19th Century Irish social campaigner, Fenian, and founder of the National Land League.
A review of its structures indicated corrosion and the Mayo County Council gave its backing to provide a new swing bridge.