
Crumlin Viaduct
Prior to the Industrial Revolution, the little-known hamlet
of Crumlin, nine miles north-west of Newport, existed only
as a few houses clustered around a stone bridge.
Despite the series of coal levels which gradually opened up
along the Ebbw and Kendon Valleys and the arrival of the Monmouthshire
canal in 1829, Crumlin remained, on the whole, unaffected by
industry. By contrast, the construction of the Viaduct had
an enormous impact on the area: between 1860 and 1900 workmen's
homes, places of worship, a company school, shops, a hotel
and a 'mutual improvement society' with library and reading
room were established in its wake by contractor Thomas Kennard.
This new area, known as 'Crumlin Village,' serves as a reminder
of the importance of the new bridge to the community; Viaduct
Terrace, Upper Viaduct Terrace, Kennard Terrace, the Viaduct
Hotel and Viaduct Cottage were all constructed here.
Crumlin viaduct was hailed as 'one of the most significant
examples of technological achievement during the Industrial
Revolution'. During 109 years of service, it remained the least
expensive bridge for its size ever constructed, the highest
railway viaduct in the British Isles and third highest in the
world, outdone only by the Aqueduct of Spoleto in Italy and
the Portage Timber Viaduct in the United States.
Construction
When
Kennard was awarded the viaduct contract in autumn 1853, his
first act was to establish a works at the east end of the viaduct
site, the Crumlin Viaduct Works. All fitting and fabrication
took place in this custom built assembly plant. Wrought iron
was supplied by the nearby Blaenavon Wrought Iron Company,
whilst casting took place at Kennard's plant in Falkirk. Cast
iron was transported from Falkirk to Newport by sea and then
via canal or rail to Crumlin.
The first girder was hoisted into place on December 3rd, 1854.
To winch it into place, the steep natural slope at the east
edge of the valley was levelled from 1:3 to fill at least half
the distance between the first two piers. The remainder was
spanned by trussed timber beams to create a level platform
upon which the girder was built.
The first girder to be lifted into position was hoisted without
any form of temporary lateral support. However, the next girder
to be lifted in this manner buckled; then slipped and fell.
One man, who was standing on top of it, was dashed to the ground
and died and a further two were seriously injured. This was
the only serious accident during the construction of the viaduct,
although there were false rumours in September 1855 that a
painter had fallen to his death.
Opening
Three and a half years elapsed between the erection of the
first column and the opening of the viaduct. The seven span
section of the viaduct was completed by August 1855; the three
span section by December.
The first five and a half miles of the Taff Vale Extension
from Pontypool to the east side of the viaduct were opened
on August 20th, 1855, followed shortly after by the opening
of a 14 mile branch line joining Monmouthshire's Ebbw Vale
Line at Llanhilleth Junction.
Testing
The completed viaduct was tested in the presence of Colonel
Wynne, the Board of Trade Inspector in May 1857, four years
after construction began. Six locomotives loaded with pig iron
or lead and weighing a total of 380 tons, were run onto just
one span of the bridge. When both lines of rails were used,
the locomotives were the correct size to cover this span and
were driven across at various speeds whilst measurements of
deflection were taken.
In order for the original tests to take place, the railway
company required a driver with the necessary courage to make
the first crossing. According to legend, the only man to step
forward was 'Mad Jack' from Pontypool (although it is unclear
whether he was known by this name prior to his crossing of
the viaduct). Before making the historic journey, Jack visited
every Public House in Crumlin, consuming large quantities of
alcohol in an effort to calm his nerves. Although he had been
instructed to avoid unnecessary stresses and strains by driving
the train over the viaduct at crawling speed, his first crossing
was made at tremendous speed. When confronted by the shaken
engineer, he remarked; "when eternity looks you straight
in the face, you may as well go at full speed to meet it!"
Official Opening
Lady Isabella Fitzmaurice opened the viaduct on Whit Monday,
June 1st 1857. The trains travelling across the viaduct and
along the Western line beneath were decorated with flags, flowers
and evergreens whilst those travelling to the area from other
parts of the country were brightly decorated. Beer booths,
fun fairs and side shows were set up in the fields whilst two
ballad singers strolled about singing a song they had composed
about the Viaduct and selling songsheets at a penny a time.
"Thousands come from far and near,
So full of youth and bloom,
To open the Great Crumlin Bridge
On the Glorious first of June!"
When the first train rumbled over the viaduct, there were "loud
shouts and cheers, accompanied by the roar of the cannons and
music from the band; it made a most spirit stirring occasion."
Closure
In 1963, a British Railways Report by Dr Reginald Beeching,
entitled 'The Reshaping of British Railways,' proposed that
many stopping passenger services should be discontinued and
small
stations
closed. This unpopular strategy, known as Beeching's Axe, resulted
in the loss of 67,700 jobs, the shutting down of a quarter
of the country's railway lines and closure of 2,128 stations.
On Saturday the 13th of June 1964, the last scheduled passenger
train; the 21:10 from Pontypool to Treherbert; passed over
the Crumlin Viaduct. Without a passenger service, the future
of the line as part of the regional rail network became questionable,and
so no major investments had been made in the line for a substantial
period.
In 1962, Crumlin Viaduct was scheduled as being of architectural
and historical interest by the Ministry of Housing and Local
Government. However, by 1964, this decision had been overruled
by British Railways, who argued that demolition was the most
sensible course of action, partly because the viaduct required
regular maintenance even after the line had closed and partly
because the structure was thought to be unsound and dangerous.
The only costs the viaduct had actually accumulated after
more than a century of use were:
- Maintenance costs dating back to 1866
- Redecking costs from 1928
- £10,000 spent on repairs in the 1950's
- The expense of repainting which occurred every five to seven years.
Demolition of the Viaduct was carried out by Bird's of Swansea,
specialists in dismantling steelworks and bridges. The work
was scheduled to take 9 months and began in June or July 1966
under the supervision of Brian Houston Barron. The first piece
of the viaduct to be removed was also the first piece to have
been installed. Whilst demolition was in progress, Universal
Studios used the viaduct to shoot scenes for 'Arabesque,' a
tongue-in-cheek spy thriller starring Gregory Peck and Sophia
Loren.
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