William Tierney Clark
Encyclopedia
William Tierney Clark FRS (23 August 1783 – 22 September 1852) was an English
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 civil engineer
Civil engineer
A civil engineer is a person who practices civil engineering; the application of planning, designing, constructing, maintaining, and operating infrastructures while protecting the public and environmental health, as well as improving existing infrastructures that have been neglected.Originally, a...

 particularly associated with the design and construction of bridge
Bridge
A bridge is a structure built to span physical obstacles such as a body of water, valley, or road, for the purpose of providing passage over the obstacle...

s. He was among the earliest designers of suspension bridge
Suspension bridge
A suspension bridge is a type of bridge in which the deck is hung below suspension cables on vertical suspenders. Outside Tibet and Bhutan, where the first examples of this type of bridge were built in the 15th century, this type of bridge dates from the early 19th century...

s.

Born in Bristol
Bristol
Bristol is a city, unitary authority area and ceremonial county in South West England, with an estimated population of 433,100 for the unitary authority in 2009, and a surrounding Larger Urban Zone with an estimated 1,070,000 residents in 2007...

, he was initially apprenticed to a local millwright and – guided by noted engineers Thomas Telford
Thomas Telford
Thomas Telford FRS, FRSE was a Scottish civil engineer, architect and stonemason, and a noted road, bridge and canal builder.-Early career:...

 and John Rennie - he progressed to practice as a consulting civil engineer, moving to London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 where, from 1811, he was also engineer to the West Middlesex
Middlesex
Middlesex is one of the historic counties of England and the second smallest by area. The low-lying county contained the wealthy and politically independent City of London on its southern boundary and was dominated by it from a very early time...

 Waterworks Company (the engine house and other buildings involved in a scheme to pump water from reservoirs at Barnes to Hammersmith
Hammersmith
Hammersmith is an urban centre in the London Borough of Hammersmith and Fulham in west London, England, in the United Kingdom, approximately five miles west of Charing Cross on the north bank of the River Thames...

 and other parts of London were designed by him).

He designed the first suspension bridge to span the River Thames in London: Hammersmith Bridge
Hammersmith Bridge
Hammersmith Bridge is a crossing of the River Thames in west London, just south of the Hammersmith town centre area of the London Borough of Hammersmith and Fulham on the north side of the river. It allows road traffic and pedestrians to cross to Barnes on the south side of the river...

, opened in 1827. He also designed the Marlow Bridge
Marlow Bridge
Marlow Bridge is a road traffic and foot bridge over the River Thames in England between the town of Marlow, Buckinghamshire and the village of Bisham in Berkshire. It crosses the Thames just upstream of Marlow Lock, on the reach to Temple Lock....

, a suspension bridge across the Thames in Marlow
Marlow, Buckinghamshire
Marlow is a town and civil parish within Wycombe district in south Buckinghamshire, England...

, Buckinghamshire
Buckinghamshire
Buckinghamshire is a ceremonial and non-metropolitan home county in South East England. The county town is Aylesbury, the largest town in the ceremonial county is Milton Keynes and largest town in the non-metropolitan county is High Wycombe....

 (built 1829-1832) and Norfolk Bridge, a suspension bridge over the River Adur
River Adur
The Adur is a river in Sussex, England; it gives its name to the Adur district of West Sussex. The river was formerly navigable for large vessels up as far as Steyning, where there was a large port, but over time the river valley became silted up and the port moved down to the deeper waters nearer...

 in Shoreham-by-Sea
Shoreham-by-Sea
Shoreham-by-Sea is a small town, port and seaside resort in West Sussex, England. Shoreham-by-Sea railway station is located less than a mile from the town centre and London Gatwick Airport is away...

, West Sussex
West Sussex
West Sussex is a county in the south of England, bordering onto East Sussex , Hampshire and Surrey. The county of Sussex has been divided into East and West since the 12th century, and obtained separate county councils in 1888, but it remained a single ceremonial county until 1974 and the coming...

 (designed with Captain Samuel Brown, opened in 1834, replaced in 1923).

Internationally, he is revered for his design of the Széchenyi Chain Bridge
Széchenyi Chain Bridge
The Széchenyi Chain Bridge is a suspension bridge that spans the River Danube between Buda and Pest, the western and eastern sides of Budapest, the capital of Hungary...

 across the Danube
Danube
The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

 in Budapest
Budapest
Budapest is the capital of Hungary. As the largest city of Hungary, it is the country's principal political, cultural, commercial, industrial, and transportation centre. In 2011, Budapest had 1,733,685 inhabitants, down from its 1989 peak of 2,113,645 due to suburbanization. The Budapest Commuter...

, Hungary
Hungary
Hungary , officially the Republic of Hungary , is a landlocked country in Central Europe. It is situated in the Carpathian Basin and is bordered by Slovakia to the north, Ukraine and Romania to the east, Serbia and Croatia to the south, Slovenia to the southwest and Austria to the west. The...

, for which Marlow Bridge was a nearly identical, but smaller prototype. The first bridge linking Buda and Pest
Pest (city)
Pest is the eastern, mostly flat part of Budapest, Hungary, comprising about two thirds of the city's territory. It is divided from Buda, the other part of Budapest, by the Danube River. Among its most notable parts are the Inner City, including the Hungarian Parliament, Heroes' Square and...

, it was designed by Tierney Clark in 1839, with construction supervised locally by Scotsman
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 Adam Clark (no relation). It opened in 1849.

Tierney Clark is also credited with the design of a tunnel between Higham and Frindsbury, near Rochester in north Kent
Kent
Kent is a county in southeast England, and is one of the home counties. It borders East Sussex, Surrey and Greater London and has a defined boundary with Essex in the middle of the Thames Estuary. The ceremonial county boundaries of Kent include the shire county of Kent and the unitary borough of...

 for the Thames and Medway
Medway
Medway is a conurbation and unitary authority in South East England. The Unitary Authority was formed in 1998 when the City of Rochester-upon-Medway amalgamated with Gillingham Borough Council and part of Kent County Council to form Medway Council, a unitary authority independent of Kent County...

 canal
Canal
Canals are man-made channels for water. There are two types of canal:#Waterways: navigable transportation canals used for carrying ships and boats shipping goods and conveying people, further subdivided into two kinds:...

. The canal was not a success but the tunnel was subsequently adapted for use by the Gravesend
Gravesend, Kent
Gravesend is a town in northwest Kent, England, on the south bank of the Thames, opposite Tilbury in Essex. It is the administrative town of the Borough of Gravesham and, because of its geographical position, has always had an important role to play in the history and communications of this part of...

 and Rochester Railway.

He was also a Fellow of the Royal Society
Royal Society
The Royal Society of London for Improving Natural Knowledge, known simply as the Royal Society, is a learned society for science, and is possibly the oldest such society in existence. Founded in November 1660, it was granted a Royal Charter by King Charles II as the "Royal Society of London"...

 and a member of the Institution of Civil Engineers
Institution of Civil Engineers
Founded on 2 January 1818, the Institution of Civil Engineers is an independent professional association, based in central London, representing civil engineering. Like its early membership, the majority of its current members are British engineers, but it also has members in more than 150...

.

Tierney Clark lived and died in Hammersmith in west London. His memorial in the local parish church, St Paul’s, shows an outline of his design for the nearby bridge – since replaced by a design by Sir Joseph Bazalgette
Joseph Bazalgette
Sir Joseph William Bazalgette, CB was an English civil engineer of the 19th century. As chief engineer of London's Metropolitan Board of Works his major achievement was the creation of a sewer network for central London which was instrumental in relieving the city from cholera epidemics, while...

. Further afield, there is a street in Buda named after him and he is commemorated by an annual award made by the Association of Hungarian Consulting Engineers and Architect
Architect
An architect is a person trained in the planning, design and oversight of the construction of buildings. To practice architecture means to offer or render services in connection with the design and construction of a building, or group of buildings and the space within the site surrounding the...

s: the Tierney Clark Award for Civil Engineering.

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