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Tay Bridge, Dundee

Archive/Image Reference

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General arrangement of the Tay Bridge

Did you know?

The New Tay Railway Bridge is 2miles 73 yards (3286m) long. It can vary in overall length by as much as 3ft 9in (1.14m) due to thermal expansion. Temperature extremes recorded in the Dundee district since 1980 have been +29C and -17C. 

A key structure in the Scottish railway route, the Tay Bridge brought increased travel and trade opportunities to the east coast of Scotland. Out of the Tay Bridge disaster of 1879 a new structure emerged which set new standards for bridge building in Britain. 

By the 1860s the battle between the Scottish North British and Caledonian railway companies had taken hold. Supremacy in controlling the major routes through Scotland would depend on which company would be first to bridge the River Tay at Dundee. The original Tay Bridge was built by the North British Railway Company and designed by Thomas Bouch, a civil engineer who had built many small branch lines in the north of England and the south east of Scotland. A railway bridge across the Tay had widespread support but from the start the design of the bridge was roundly criticised, its single track particularly so on grounds of both capacity and stability. As construction began, Bouch was forced to change his plans for the bridge. The foundations and bases were redesigned, the original brick piers replaced with braced cast iron columns and the number of spans was reduced which made each significantly wider. Despite ongoing difficulties in its construction, the bridge was opened with much celebration on 31 May 1878. Within a year it had increased the fortunes of the North British Railway as well as those for Dundee and towns throughout Fife. Passenger numbers between Dundee and Fife doubled and the railway saw a 40% increase in freight traffic. However, on the night of 28 December 1879 and in a terrible storm, the thirteen central ‘high girders’ of the bridge fell down. The subsequent Court of Inquiry fundamentally blamed the design of the bridge for the collapse, and its judgement rested on Thomas Bouch.

 

From the ashes of the old

After the disaster both the North British Railway and supporters of the Tay Bridge were determined that it should be rebuilt. The company quickly submitted a Bill to Parliament for the rebuilding of the old bridge, but as Thomas Bouch was associated with the rebuilding project, Parliament rejected the Bill. After dispensing of the services of Thomas Bouch, William Henry Barlow, who had sat on the Court of Inquiry, was invited to report on the best course of action. After thorough investigation of the options, his recommendation was to build a new double line bridge, completely independent of the old.

Barlow’s design for the new bridge was deeply influenced by the presence of the old. To satisfy stipulations made by the Board of Trade, the bridge was to be constructed exactly parallel alongside the old in order to keep navigation channels open, and its height was to be reduced from 88ft in the old bridge to 77ft in the new. As in the old bridge, the railway line was to run on the top of the approach girders, and through the girders of the high, larger navigation spans. Barlow recommended that if the spans of the new bridge were to be kept the same, girders from the old bridge that were unaffected by the collapse of the high girders, were able to be re-used in the new. The new bridge was to be built 60ft upstream from the old, allowing the old bridge to become ‘staging’ for the men and materials in the construction of the new. The approaches onto the new bridge were altered; to the south the branch lines were joined on brick arches nearer to the shore at Wormitt, and to the North the eastwards curve into Tay Bridge Station (now called Dundee) was softened. Stringent tests on weight and wind loading in the design and construction of the new bridge were also to be undertaken. The proposals for the ‘New Tay Viaduct’ were accepted by Parliament in October 1881, and the firm William Arrol & Co of Glasgow was appointed contractor.

The new bridge took just 5 years to build, thanks in most part to special pontoon equipment with hydraulic legs which were designed by William Arrol. Various arrangements of these hydraulic pontoons were used to sink and construct the brick and concrete foundation columns, to erect the wrought iron piers, to move the old girders into position for the new bridge, and to erect the new navigation spans. The completed bridge is 10711ft in length, 8396ft of which is in a straight line running virtually north / south across the Tay until it curves eastwards towards Dundee. There are 85 piers; 1-28 forming the south approach, 28-41 the ‘navigation spans’ and 41-85 the north approach. The new Tay Bridge was opened to traffic, without ceremony on 20 June 1887.
 

Page first created: Tuesday, January 17, 2012
Page last updated: Saturday, February 25, 2012

1862

The North British Railway Chairman backs the Company’s plans to bridge the Tay and the Forth.

 

1863

The Tay Bridge plans are widely supported at a meeting of business community leaders in Dundee.

 

1864

- 1870. Strongly opposed by the Caledonian railway, two Bills for the construction of the bridge are presented to parliament but withdrawn. A third Bill, presented in 1870 is approved.

 

1871

The contract for construction of the bridge is awarded to Charles de Bergue & Co. Work starts on the bridge in July.

 

1873

A new contractor, Hopkins Gilkes & Co is appointed after de Bergue runs into financial difficulties.

 

1873

Changing circumstances and matters of cost force Bouch to significantly change his designs for the bridge.

 

1877

26 September: the first train crosses the completed Tay Bridge. Many famous people, Emperors, Princes and even a former President of the USA came to look at the bridge.

 

1878

31 May; official public opening of the bridge. It was an immediate success for the North British Railway.

 

1879

Queen Victoria crosses the bridge on her way to Balmoral. Thomas Bouch is knighted. 28 December: the thirteen ‘high girders’ which formed the central part of the original Tay Railway Bridge collapse in a storm.

 

1880

A Court of Inquiry is set up to investigate the collapse of the Tay Bridge. Mr Rothery (Wreck Commissioner), Colonel Yolland (Chief Inspector of Railways) and W H Barlow (President of the ICE) make up the Court. Its report fundamentally blames the design of the bridge for the disaster. Sir Thomas Bouch dies a broken man.

 

1881

18 July: the North British Railway’s Bill for the construction of a new Tay Bridge, designed by W H Barlow is passed. October: William Arrol & Co appointed contractors for the new bridge.

 

1882

June: having been delayed by legal wrangles with the Board of Trade, construction of the New Tay Bridge begins.

 

1887

16-18 June: the new bridge is inspected by the Board of Trade; the bridge is approved, and opened for traffic, without ceremony on 20 June.

 

1989

The Tay Bridge is listed a Grade I structure.

 

2000

- 2006. Network Rail undertakes a 6 year, £38m project to strengthen and refurbish the bridge.

 
Elevation and section (coloured)

Forth Bridge, Fife | Bridges and Viaducts

The Forth Bridge is a celebrated Scottish landmark, and a milestone in the development of railway civil engineering. It was the first major structure in Britain to be made of steel and its construction resulted in a continuous East Coast railway route from London to Aberdeen. 
Read more

 

North British Railway crest

North British Railway | Companies

From a modest start, the North British Railway provided a vital link in building an east coast mainline that would stretch from London to Aberdeen. Engineering on its railway lines was often pioneering and included the first major works in Britain to be made of steel and of concrete. Their bridges over the Tay, the Forth and their viaduct at Glenfinnan are major parts of the Scotland route today.
Read more

 

Signature of WH Barlow, c1866

William Henry Barlow  (1812 - 1902) | People

WH Barlow was a civil engineer known for his large scale engineering projects in the late nineteenth century. He was responsible for the magnificent train shed roof at St Pancras station, the largest in the world when constructed. In the wake of disaster he designed the new Tay Bridge, setting new standards for civil engineering. His investigations into steel and the engineering of girders led to the design of the Forth Bridge, one of the most impressive railway structures in the world. 
Read more

 
 
 
 
Comments & Suggestions (5)

Your comments and suggestions are welcomed. Please note that all submissions will be reviewed and will be dealt with in accordance with our terms and conditions of website use. We reserve the right not to publish any comments or suggestions. Your [user name] will be displayed as provided and all personal information will be dealt with in accordance with the terms of our privacy policy. Please ensure that you have read our terms and conditions of website use and our privacy policy in full prior to submitting any comments or suggestions.

 

 This website is fantastic. The plans of the origninal Tay Bridge are very clear. I am doing a presentation of the Tay Bridge Disaster for my local historyn group and I really need pictures of the original bridge. The photo on your website of the plans of the original bridge are ideal for me. Thanks.

Posted by Diane Cowan, Thursday, September 5, 2013.


 This website was extremely helpful for my history project .Thank you very much.

Posted by Zoe Tabois , Thursday, November 1, 2012.


http://byellow.bandcamp.com/track/ballad-of-the-tay-rail-bridge

Posted by B Yellow, Sunday, July 14, 2013.


 I love your website. As part of a project for school regarding the Tay Bridge, I enjoyed using your information to help me research. I thank you again. Zoe

Posted by Zoe Bruce, Tuesday, October 23, 2012.


 As a young engineer with BR, I had worked on several maintenance jobs on the bridge in the early 1960s. I remember particularly that over several years, the main bearings of, i think, the high girders had to be replaced as these being cast iron were found to be shattered. The process involved clamping a jacking bracket to each end in turn, then jacking to replace the bearings by welded rocker bearings.

Posted by John Minelly, Saturday, August 11, 2012.


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See also

Elevation and section (coloured)

Forth Bridge, Fife

The Forth Bridge is a celebrated Scottish landmark, and a milestone in the development of railway civil engineering. It was the first major structure in Britain to be made of steel and its construction resulted in a continuous East Coast railway route from London to Aberdeen.   Read more


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