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Maidenhead Bridge

Archive/Image Reference

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Title of Original Drawing

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Date of Creation

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  • Image 1 of 5
    Elevation Number 3
    Maidenhead Bridge...
  • Image 2 of 5
    Drawing 2. Longitudinal Section and Sections
    Maidenhead Bridge...
  • Image 3 of 5
    Aerial View drawing number 1
    Maidenhead Bridge...
  • Image 4 of 5
    Widening of line Maidenhead to Didcot - Maidenhead bridge sections
    Maidenhead Bridge...
  • Image 5 of 5
    Widening of line Maidenhead to Didcot - Maidenhead Bridge sections and plans
    Maidenhead Bridge...
Widening of Line Maidenhead to Didcot - Maidenhead Bridge Sections and Plans
Widening of line Maidenhead to Didcot - Maidenhead Bridge sections and plans

Did you know?

The painting, 'Rain, Steam and Speed' (1844) by J W M Turner, shows a Great Western Railway broad gauge locomotive and train passing over the Maidenhead Bridge.

At the time it was built, Isambard Kingdom Brunel’s railway bridge over the River Thames at Maidenhead boasted the flattest yet widest brick constructed arches in the world. 

The London to Bristol main line crossed the River Thames via the Maidenhead Bridge. As the Thames was a navigable river used by barges, the Thames Navigation Commissioners insisted that neither the channel nor the towpath was obstructed, which allowed only one pier to be set in the river. Brunel designed the bridge so that his philosophy of minimal gradients on the line was not compromised (the inclined approaches towards either end of the bridge are only 1 in 1,320, or 0.076 per cent), so that existing tow paths were uninterrupted on each river bank for the benefit of bargemen, and the point at which it crosses the Thames took advantage of a small island on which the middle pier could stand.

 

An engineering sensation

Built entirely of brick, and comprising of two shallow spans over the river, which combined a rise of only 24ft (7.3m) with an unprecedented width of 128ft (39m), the design of the bridge caused an engineering sensation when it was completed. During construction wooden scaffolding was built to support the building of the masonry arches. The Great Western Railway directors did not share Brunel’s faith in his own abilities and insisted that this scaffolding, initially at least, remain in place to reinforce the bridge. Secretly, Brunel arranged for the timber frame to be slightly lowered - without the support he knew that the bridge would remain solid. In the end the timber frame was washed away by the forces of Nature, either by strong winds or the river in flood according to different accounts. The bridge remained, and was immediately recognised as a triumph of engineering on the Great Western line.

 

Bridge widening

As built and opened on 1 July 1839, the bridge carried two 7ft (2.14m) broad gauge railway tracks. In due course traffic to and from London increased enormously, and mixed gauge tracks were provided between London and Bristol during 1861. In anticipation of the final conversion to the standard rail gauge, during 1890-1892 the bridge was widened on each side in order to carry four standard gauge tracks. This work was carried out under the supervision of Sir John Fowler, the width overall being increased from 30ft to 57ft 3in. (9.1m to 17.5m). However, this was undertaken so sympathetically that the outward appearance of the bridge remained almost unaltered. 

Page first created: Wednesday, January 18, 2012
Page last updated: Saturday, February 25, 2012

1835

31 August: The Great Western Railway is authorised by an Act of Parliament to build the railway line between the cities of London and Bristol.

 

1839

1 July: the Maidenhead Bridge is opened.

 

1841

30 June: the Great Western Railway London to Bristol main line is opened throughout.

 

1861

The line from London to Bristol is converted to mixed gauge track.

 

1890

- 1892. The Maidenhead Bridge is widened on both sides by Sir John Fowler.

 

1892

20 May: the last of the GWR broad gauge tracks are lifted.

 

2009

The electrification of the lines between London (Paddington) – Bristol – Swansea is announced.

 
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Comments & Suggestions (2)

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Bravo on a brilliant site, nicely thought out, with good quality scans. This should prove to be a great archive, and ensure that the history of many structures, great engineers and builders is not lost. Please keep adding to it. Well done to all involved.

Posted by Rob Speare, Wednesday, March 7, 2012.


 Still much more to add to the site but I am supprised you don't have gatehamptond a Moulsford Viaduts on there.

Posted by Bill, Thursday, May 3, 2012.


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See also

Tweed Contract South Abutment &c of the Tweed viaduct

Royal Border Bridge, Berwick upon Tweed

The Royal Border Bridge was the last link in completing a continuous railway line running between London and Edinburgh. Designed by Robert Stephenson, the bridge was a more traditional masonry structure than its contemporaries the High Level and Britannia bridges, but it is one that has stood the test of time.  Read more


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