When was the first iron cladding built?
The Iron Bridge
The Iron bridge is the world's first cast iron arch bridge. It has spanned the Severn since 1779 at Ironbridge, south of Coalbrookdale in Shropshire, England, named after the bridge. It was therefore originally (and occasionally still is) Coalbrookdale Bridge called. Originally called Severn Gorge designated gorge was named Ironbridge Gorge. Ironbridge Gorge, together with the bridge and the industrial settlements of Ironbridge, has been on the UNESCO World Heritage List since 1986.
Until the bridge was built, ferries were the only way to cross the Severn Gorge, but the iron industry grew strongly in the 18th century and required a more reliable and faster route. The idea of an iron bridge was probably developed from 1773 onwards. The idea probably goes back to the local iron producer John Wilkinson in collaboration with the architect Thomas Farnoll Pritchard. Pritchard created various designs for the bridge in 1775. Abraham Darby III was responsible for the final design and execution, but could also have helped develop the idea. Construction took only three months and was completed in the summer of 1779. According to other sources, construction began as early as 1777, but this could also mean the beginning of the production of the castings.
Since there was no previous experience of building bridges with iron, methods from the carpentry trade were used. The exact events from the year of construction 1779 have not been handed down. The first of two arches spanned the river Severn on July 2, 1779. Then the access roads still had to be built. The bridge was opened on New Year's Day 1781.
Only a few years after completion, the iron found itself cracked due to movements in the foundation, and in 1802 the stone southern arch had to be replaced by a temporary wooden structure, in the place of which an iron arch was finally installed in 1820.
The last major work on the foundation took place in 1972, after road traffic over the bridge had ceased in 1934 and pedestrians had to pay tolls until 1950. The bridge has been owned by Shropshire County Council since 1950.
In November 2017, the Hermann Reemtsma Foundation in Hamburg provided one million euros to save the Iron Bridge in Shropshire.
Today, a number of museums can be found in the Severn Valley that deal with the age of early industrialization. These include an 18th century iron smelting furnace, the Blist Hill Open Air Museum with exhibitions on the Victorian era, the Coalport China Museum (porcelain), the Rosehill House (museum about everyday life in the 18th century) and a brickmaking workshop . The Iron Bridge over the Severn and the museum network are anchor points of the European Route of Industrial Culture (ERIH).
A scaled-down replica was built in 1791 in the Wörlitzer Park near Dessau, which is also part of the World Heritage. This makes it the oldest cast iron bridge on the European continent.
- ↑ UNESCO World Heritage Center: Ironbridge Gorge
- ↑ From the Wearmouth Bridge over the cast iron bridge in Laasan to the Pont du Carrousel, Paris and finally the Puente de Isabel II in Seville.
- ↑England's cast iron arched truss bridges. In: Friedrich Heinzerling: The bridges in iron. Verlag von Otto Spamer, Leipzig 1870, p.94 (full text in the Google book search).
- ↑ abcdefDavid de Haan: The Iron Bridge - How was it Built? In BBC, British History in-depth
- ↑ abSigfried Giedion: Space, time, architecture. Verlag für Architektur Artemis, Zurich / Munich 1976, ISBN 3-7608-8106-8, p.132.
- ↑ abcNikolaus Pevsner: Pioneer of modern design from Morris to Gropius. Dumont, Cologne 1983, ISBN 3-7701-1414-0, p.118.
- ↑History of Iron Bridge | English Heritage. Retrieved June 29, 2018.
- ↑ shz.de: Millions gift: Hamburg helps save the Iron Bridge in England (November 13, 2017), accessed on November 14, 2017
52.627319356111-2.4855279922222 Coordinates: 52 ° 37 ′ 38.3 ″ N, 2 ° 29 ′ 7.9 ″ W.
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