The bridge collapsed because the mairn compression members supporting the huge cantilever buckled. The project to make a crossing near Queensferry gathered momentum, and in 1881 the Forth Bridge Railway Committee was established. https://www.pbs.org/wgbh/buildingbig/wonder/structure/firth_of_forth.html 1878: William Arrol begins construction of Thomas Bouch’s suspension bridge design. The Tay Bridge, to the design of Sir Thomas Bouch (1822-80) was completed in 1877 but disastrously collapsed in a storm two years later. Origins of Scotland’s famous Forth Bridge. Already shattered by overwork, and the rejection of his grand design for a superb suspension He was constructing the foundations for a similar suspension bridge over the Firth of Forth, when on the 28th of December 1879, the Tay bridge collapsed in a violent storm, with the loss of 75 lives. The ferry crossing of the Firth of Forth continued to be a major barrier to the success of the North British Railway route to the north east of Scotland. That bridge at Dundee was rebuilt in 1887, lower and wider, and plans changed at the Forth to achieve the longest spans … The plan to construct the Forth Bridge was brought up after a former project to construct a suspension railway bridge at the Firth of Forth, designed by Sir Thomas Bouch, was halted because of the collapse of the Tay Bridge at the Firth of Tay in 1879, which was also built under his supervision. After sailing out beyond the Isle of May, the two Allied columns swung around 180 degrees and formed an overwhelming escort on either side of the Germans as they led them back into the Firth of Forth. Parliament cautioned the North British Railway, responsible for the Tay Bridge and now prime mover of the projected Firth of Forth Bridge, that the latter ‘should gain the confidence of the public, and enjoy a reputation of being not only the biggest but also the stiffest bridge in the world’. 1873: 5 August, the North British Railway obtains initial authority to build a suspension bridge across the Firth of Forth. Bouch had completed a suspension bridge over the Firth of Tay, north of the Forth River. Throughout the 19th century, several proposals were made to reduce travel time from Edinburgh and southeastern England to the northern cities of Scotland by building a railroad bridge across the expansive mouth of the Forth River. It was the only one built in the right phase -- of that murderous cycle. The first attempt, by Thomas Bouch, was abandoned when his previous project, the Tay Bridge, collapsed in 1879. 1879: December, the collapse of Thomas Bouch’s Tay bridge in a storm immediately halts Forth Bridge … Tour Scotland Spring video of a small cruise boat on the Firth of Forth by the Forth Railway Bridge near South Queensferry near Edinburgh. But, of the three, the Firth of Forth Bridge, built in disaster's wake, was the one that did not have to suffer a collapse.