67-580: Kew Bridge is a wide-span bridge over the Tideway (upper estuary of the Thames ) linking the London Boroughs of Richmond upon Thames and Hounslow . The present bridge, which was opened in 1903 as King Edward VII Bridge by King Edward VII and Queen Alexandra , was designed by John Wolfe-Barry and Cuthbert A Brereton . Historic England listed it at Grade II in 1983. Kew Bridge crosses
134-600: A bridge-restaurant which is a bridge built to serve as a restaurant. Other suspension bridge towers carry transmission antennas. Conservationists use wildlife overpasses to reduce habitat fragmentation and animal-vehicle collisions. The first animal bridges sprung up in France in the 1950s, and these types of bridges are now used worldwide to protect both large and small wildlife. Bridges are subject to unplanned uses as well. The areas underneath some bridges have become makeshift shelters and homes to homeless people, and
201-525: A bridge is to be designed, standards authorities specify simplified notional load models, notably HL-93, intended to give the same load effects as the characteristic maximum values. The Eurocode is an example of a standard for bridge traffic loading that was developed in this way. Most bridge standards are only applicable for short and medium spans - for example, the Eurocode is only applicable for loaded lengths up to 200 m. Longer spans are dealt with on
268-471: A case-by-case basis. It is generally accepted that the intensity of load reduces as span increases because the probability of many trucks being closely spaced and extremely heavy reduces as the number of trucks involved increases. It is also generally assumed that short spans are governed by a small number of trucks traveling at high speed, with an allowance for dynamics. Longer spans on the other hand, are governed by congested traffic and no allowance for dynamics
335-420: A coach and four horses (these are equivalent to 81p and £21 in 2023). The first bridge was constructed with two stone arches at each end and seven timber arches in between, which proved costly to maintain and as a consequence the bridge only lasted 30 years. In 1782 Robert Tunstall, son of the builder of the first bridge, obtained consent to replace the bridge and work began on 4 June 1783, the anniversary date of
402-480: A combination of structural health monitoring and testing. This is regulated in country-specific engineer standards and includes an ongoing monitoring every three to six months, a simple test or inspection every two to three years and a major inspection every six to ten years. In Europe, the cost of maintenance is considerable and is higher in some countries than spending on new bridges. The lifetime of welded steel bridges can be significantly extended by aftertreatment of
469-456: A copy of a J. M. W. Turner sketch of the second bridge from Brentford Ait circa 1805/6 with barges on the left. The tollbooths were at the Brentford end of the bridge and were originally planned as pavilions with Doric porticos . To save on the cost rather simpler Italianate booths were built instead of brick and stucco . Tolls were abolished on 8 February 1873 and a triumphal arch
536-399: A different site, and re-used. They are important in military engineering and are also used to carry traffic while an old bridge is being rebuilt. Movable bridges are designed to move out of the way of boats or other kinds of traffic, which would otherwise be too tall to fit. These are generally electrically powered. The Tank bridge transporter (TBT) has the same cross-country performance as
603-606: A few will predominate. The separation of forces and moments may be quite clear. In a suspension or cable-stayed bridge , the elements in tension are distinct in shape and placement. In other cases the forces may be distributed among a large number of members, as in a truss. The world's longest beam bridge is Lake Pontchartrain Causeway in southern Louisiana in the United States, at 23.83 miles (38.35 km), with individual spans of 56 feet (17 m). Beam bridges are
670-539: A great concourse of carriages . The tolls were a half penny per pedestrian and 6 pence for each horse (these are equivalent to 32p and £4 in 2023). The bridge was sold by auction to a Mr Robinson for £23,000 in 1819 (equivalent to £2.2 million in 2023) and again in 1873, to the City of London Corporation and the Metropolitan Board of Works for £57,300 (equivalent to £6.41 million in 2023). The exhibition included
737-457: A new bridge rather than modifications to the second one. The Kew Bridge Act 1898 ( 61 & 62 Vict. c. clv) paved the way and the third bridge was commissioned jointly by the Middlesex and Surrey county councils at a cost of £250,000 (equivalent to £35.2 million in 2023). The engineers were Barry and Brereton and the building contractors were Easton Gibbs and Son . The third bridge
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#1732802065104804-454: A silver-mounted prehistoric flint axe found during construction work, another axe with part of its haft remaining and a fine silver spirit level made in the shape of the bridge itself. Later the Mayor of Richmond presented a chair with the ladders in its back carved in the shape of the three bridges. The inhabitants of Brentford and Chiswick presented a 1721 silver tankard. After the departure of
871-561: A simple type of suspension bridge , were used by the Inca civilization in the Andes mountains of South America, just prior to European colonization in the 16th century. The Ashanti built bridges over streams and rivers . They were constructed by pounding four large forked tree trunks into the stream bed, placing beams along these forked pillars, then positioning cross-beams that were finally covered with four to six inches of dirt. During
938-593: A span of 552 m (1,811 ft). The bridge was opened 29 April 2009, in Chongqing , China. The longest suspension bridge in the world is the 4,608 m (15,118 ft) 1915 Çanakkale Bridge in Turkey. The longest cable-stayed bridge since 2012 is the 1,104 m (3,622 ft) Russky Bridge in Vladivostok , Russia. Some Engineers sub-divide 'beam' bridges into slab, beam-and-slab and box girder on
1005-749: A stream. Often in palaces, a bridge will be built over an artificial waterway as symbolic of a passage to an important place or state of mind. A set of five bridges cross a sinuous waterway in an important courtyard of the Forbidden City in Beijing, China. The central bridge was reserved exclusively for the use of the Emperor and Empress, with their attendants. The estimated life of bridges varies between 25 and 80 years depending on location and material. Bridges may age hundred years with proper maintenance and rehabilitation. Bridge maintenance consisting of
1072-489: A tank even when fully loaded. It can deploy, drop off and load bridges independently, but it cannot recover them. Double-decked (or double-decker) bridges have two levels, such as the George Washington Bridge , connecting New York City to Bergen County , New Jersey , US, as the world's busiest bridge, carrying 102 million vehicles annually; truss work between the roadway levels provided stiffness to
1139-417: Is 1,182 feet (360 m) long, and the largest of its three arches has a span of 133 feet (41 m). The roadway is 56 feet (17 m) wide (compared to 18 feet (5.5 m) on the second bridge), and the pavements 9 feet 6 inches (2.90 m) compared to 3 feet 3 inches (0.99 m). It was built of granite from Kemnay Quarry . A temporary wooden bridge was put in place upstream of
1206-462: Is a bridge that carries water, resembling a viaduct, which is a bridge that connects points of equal height. A road-rail bridge carries both road and rail traffic. Overway is a term for a bridge that separates incompatible intersecting traffic, especially road and rail. Some bridges accommodate other purposes, such as the tower of Nový Most Bridge in Bratislava , which features a restaurant, or
1273-469: Is a structure built to span a physical obstacle (such as a body of water , valley , road, or railway) without blocking the path underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross. There are many different designs of bridges, each serving a particular purpose and applicable to different situations. Designs of bridges vary depending on factors such as
1340-588: Is an early example of a double-decked bridge. The upper level carries a railway, and the lower level is used for road traffic. Other examples include Britannia Bridge over the Menai Strait and Craigavon Bridge in Derry, Northern Ireland. The Oresund Bridge between Copenhagen and Malmö consists of a four-lane highway on the upper level and a pair of railway tracks at the lower level. Tower Bridge in London
1407-496: Is different example of a double-decked bridge, with the central section consisting of a low-level bascule span and a high-level footbridge . A viaduct is made up of multiple bridges connected into one longer structure. The longest and some of the highest bridges are viaducts, such as the Lake Pontchartrain Causeway and Millau Viaduct . A multi-way bridge has three or more separate spans which meet near
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#17328020651041474-417: Is led by architects, bridges are usually designed by engineers. This follows from the importance of the engineering requirements; namely spanning the obstacle and having the durability to survive, with minimal maintenance, in an aggressive outdoor environment. Bridges are first analysed; the bending moment and shear force distributions are calculated due to the applied loads. For this, the finite element method
1541-540: Is needed. Calculating the loading due to congested traffic remains a challenge as there is a paucity of data on inter-vehicle gaps, both within-lane and inter-lane, in congested conditions. Weigh-in-Motion (WIM) systems provide data on inter-vehicle gaps but only operate well in free flowing traffic conditions. Some authors have used cameras to measure gaps and vehicle lengths in jammed situations and have inferred weights from lengths using WIM data. Others have used microsimulation to generate typical clusters of vehicles on
1608-737: Is the most popular. The analysis can be one-, two-, or three-dimensional. For the majority of bridges, a two-dimensional plate model (often with stiffening beams) is sufficient or an upstand finite element model. On completion of the analysis, the bridge is designed to resist the applied bending moments and shear forces, section sizes are selected with sufficient capacity to resist the stresses. Many bridges are made of prestressed concrete which has good durability properties, either by pre-tensioning of beams prior to installation or post-tensioning on site. In most countries, bridges, like other structures, are designed according to Load and Resistance Factor Design (LRFD) principles. In simple terms, this means that
1675-642: The Hellenistic era can be found in the Peloponnese. The greatest bridge builders of antiquity were the ancient Romans . The Romans built arch bridges and aqueducts that could stand in conditions that would damage or destroy earlier designs, some of which still stand today. An example is the Alcántara Bridge , built over the river Tagus , in Spain. The Romans also used cement, which reduced
1742-583: The London Borough of Hounslow governs neighbouring Lot's Ait separated only by thick, shifting mud at low tide from Brentford whereas channels beside the dual ait are dredged. In the 18th century the ait was inhabited; a main building was a latter-day notorious pub, the Swan or Three Swans; its trade was ended in 1796. On the Brentford bank, the Swan Steps lead down to the river at the east end of
1809-641: The Museum of London . The oil painting Kew Bridge by Henry Muhrman (1854–1916) was painted in about 1898, when the artist was living in Gunnersbury . It is now in the Tate Gallery 's collection. The Tate also holds J. M. W. Turner 's pen and ink sketch The Thames at Kew with Kew Bridge (1805) and his oil painting The Thames Glimpsed between Trees, possibly at Kew Bridge c.1806-7 . Myles Birket Foster (1825–1899) painted Kew Bridge from Strand on
1876-864: The University of Minnesota ). Likewise, in Toronto , the Prince Edward Viaduct has five lanes of motor traffic, bicycle lanes, and sidewalks on its upper deck; and a pair of tracks for the Bloor–Danforth subway line on its lower deck. The western span of the San Francisco–Oakland Bay Bridge also has two levels. Robert Stephenson 's High Level Bridge across the River Tyne in Newcastle upon Tyne , completed in 1849,
1943-504: The river Severn . With the Industrial Revolution in the 19th century, truss systems of wrought iron were developed for larger bridges, but iron does not have the tensile strength to support large loads. With the advent of steel, which has a high tensile strength, much larger bridges were built, many using the ideas of Gustave Eiffel . In Canada and the United States, numerous timber covered bridges were built in
2010-523: The 18th century, there were many innovations in the design of timber bridges by Hans Ulrich Grubenmann , Johannes Grubenmann , as well as others. The first book on bridge engineering was written by Hubert Gautier in 1716. A major breakthrough in bridge technology came with the erection of the Iron Bridge in Shropshire, England in 1779. It used cast iron for the first time as arches to cross
2077-1131: The Green . Landscapist Lewis Pinhorn Wood (1848–1918), who lived in Chiswick between 1897 and 1908, painted Arrival of a Steamer at the Old Kew Bridge , portraying passengers embarking from the river transport service at Kew Pier in front of the second bridge. Chiswick Local Studies Library has a painting Kew Bridge and Strand-on-the-Green attributed to Smyth Watson and also Strand-on-the-Green and Kew Bridge by an unknown artist. Hounslow Local Studies Library has Kew Bridge by James Isaiah Lewis, painted in about 1900. KING EDWARD VII BRIDGE THIS BRIDGE WAS BUILT AT THE JOINT COST OF THE COUNTIES OF MIDDLESEX AND SURREY IT WAS OPENED BY HIS MOST GRACIOUS MAJESTY KING EDWARD VII ACCOMPANIED BY QUEEN ALEXANDRA ON THE 20TH MAY 1903 Domine salvum fac regem nostrum Edvardum 51°29′13″N 0°17′15″W / 51.48694°N 0.28750°W / 51.48694; -0.28750 Bridge A bridge
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2144-607: The River of Thames from Kew in the County of Surry to the opposite shore in the County of Middlesex . Kew and the area around the bridge was significant to George as his father Frederick took a lease on Kew House, now part of the Royal Botanic Gardens from 1731 and rebuilt the house to designs by William Kent . George's mother Augusta started the botanic gardens and created many of the garden buildings. The first bridge
2211-624: The appearance of the bridge can have great importance. Often, this is the case with a large bridge that serves as an entrance to a city, or crosses over a main harbor entrance. These are sometimes known as signature bridges. Designers of bridges in parks and along parkways often place more importance on aesthetics, as well. Examples include the stone-faced bridges along the Taconic State Parkway in New York. Bridges are typically more aesthetically pleasing if they are simple in shape,
2278-643: The attention of the general public in the 1990s by the novel, movie and play The Bridges of Madison County . In 1927, welding pioneer Stefan Bryła designed the first welded road bridge in the world, the Maurzyce Bridge which was later built across the river Słudwia at Maurzyce near Łowicz , Poland in 1929. In 1995, the American Welding Society presented the Historic Welded Structure Award for
2345-596: The basis of their cross-section. A slab can be solid or voided (though this is no longer favored for inspectability reasons) while beam-and-slab consists of concrete or steel girders connected by a concrete slab. A box-girder cross-section consists of a single-cell or multi-cellular box. In recent years, integral bridge construction has also become popular. Most bridges are fixed bridges, meaning they have no moving parts and stay in one place until they fail or are demolished. Temporary bridges, such as Bailey bridges , are designed to be assembled, taken apart, transported to
2412-437: The bridge to Poland. Bridges can be categorized in several different ways. Common categories include the type of structural elements used, by what they carry, whether they are fixed or movable, and by the materials used. Bridges may be classified by how the actions of tension , compression , bending , torsion and shear are distributed through their structure. Most bridges will employ all of these to some degree, but only
2479-509: The bridge. Brentford Ait Brentford Ait is a long 4.572-acre (1.9 ha) uninhabited ait ( river island ) in the River Thames , without buildings, on the Tideway near Brentford in London, England. It is administered by the London Borough of Richmond upon Thames and Port of London Authority . Its west part was last accurately measured as 1.956 acres (0.8 ha); its east 2.616 acres (1.1 ha) being longer and
2546-439: The center of the bridge. Multi-way bridges with only three spans appear as a "T" or "Y" when viewed from above. Multi-way bridges are extremely rare. The Tridge , Margaret Bridge , and Zanesville Y-Bridge are examples. A bridge can be categorized by what it is designed to carry, such as trains, pedestrian or road traffic ( road bridge ), a pipeline ( Pipe bridge ) or waterway for water transport or barge traffic. An aqueduct
2613-467: The deck is thinner in proportion to its span, the lines of the structure are continuous, and the shapes of the structural elements reflect the forces acting on them. To create a beautiful image, some bridges are built much taller than necessary. This type, often found in east-Asian style gardens, is called a Moon bridge , evoking a rising full moon. Other garden bridges may cross only a dry bed of stream-washed pebbles, intended only to convey an impression of
2680-618: The first human-made bridges with significant span were probably intentionally felled trees. Among the oldest timber bridges is the Holzbrücke Rapperswil-Hurden bridge that crossed upper Lake Zürich in Switzerland; prehistoric timber pilings discovered to the west of the Seedamm causeway date back to 1523 BC. The first wooden footbridge there led across Lake Zürich; it was reconstructed several times through
2747-507: The first bridge opening to the public. The new bridge was designed by James Paine who had previously been responsible for Richmond Bridge . The cost was £16,500 (equivalent to £2.51 million in 2023) which was raised by means of a tontine . The second bridge was built alongside the first, to avoid hindrance to traffic during construction work, and this time was built entirely of stone. It was again opened, on 22 September 1789, by George, who by this time had become King George III, crossing with
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2814-460: The function of the bridge, the nature of the terrain where the bridge is constructed and anchored, the material used to make it, and the funds available to build it. The earliest bridges were likely made with fallen trees and stepping stones . The Neolithic people built boardwalk bridges across marshland. The Arkadiko Bridge , dating from the 13th century BC, in the Peloponnese is one of
2881-781: The late 1700s to the late 1800s, reminiscent of earlier designs in Germany and Switzerland. Some covered bridges were also built in Asia. In later years, some were partly made of stone or metal but the trusses were usually still made of wood; in the United States, there were three styles of trusses, the Queen Post, the Burr Arch and the Town Lattice. Hundreds of these structures still stand in North America. They were brought to
2948-470: The late 2nd century AD, when the Roman Empire built a 6-metre-wide (20 ft) wooden bridge to carry transport across the lake. Between 1358 and 1360, Rudolf IV, Duke of Austria , built a 'new' wooden bridge across the lake that was used until 1878; it was approximately 1,450 metres (4,760 ft) long and 4 metres (13 ft) wide. On 6 April 2001, a reconstruction of the original wooden footbridge
3015-427: The load is factored up by a factor greater than unity, while the resistance or capacity of the structure is factored down, by a factor less than unity. The effect of the factored load (stress, bending moment) should be less than the factored resistance to that effect. Both of these factors allow for uncertainty and are greater when the uncertainty is greater. Most bridges are utilitarian in appearance, but in some cases,
3082-416: The oldest arch bridges in existence and use. The Oxford English Dictionary traces the origin of the word bridge to an Old English word brycg , of the same meaning. The Oxford English Dictionary also notes that there is some suggestion that the word can be traced directly back to Proto-Indo-European *bʰrēw-. However, they also note that "this poses semantic problems." The origin of
3149-629: The past, these load models were agreed by standard drafting committees of experts but today, this situation is changing. It is now possible to measure the components of bridge traffic load, to weigh trucks, using weigh-in-motion (WIM) technologies. With extensive WIM databases, it is possible to calculate the maximum expected load effect in the specified return period. This is an active area of research, addressing issues of opposing direction lanes, side-by-side (same direction) lanes, traffic growth, permit/non-permit vehicles and long-span bridges (see below). Rather than repeat this complex process every time
3216-472: The principles of Load and Resistance Factor Design . Before factoring to allow for uncertainty, the load effect is generally considered to be the maximum characteristic value in a specified return period . Notably, in Europe, it is the maximum value expected in 1000 years. Bridge standards generally include a load model, deemed to represent the characteristic maximum load to be expected in the return period. In
3283-763: The roadways and reduced movement of the upper level when the lower level was installed three decades after the upper level. The Tsing Ma Bridge and Kap Shui Mun Bridge in Hong Kong have six lanes on their upper decks, and on their lower decks there are two lanes and a pair of tracks for MTR metro trains. Some double-decked bridges only use one level for street traffic; the Washington Avenue Bridge in Minneapolis reserves its lower level for automobile and light rail traffic and its upper level for pedestrian and bicycle traffic (predominantly students at
3350-526: The royals a huge party took place on the lawns at Kew Gardens and 1,000 children were entertained to tea in a marquee on Kew Green, an event hosted by Cuthbert Brereton. During the silent era of film, a Kew Bridge Studios operated along part of the northern approach. The site was later used by the Q Theatre . A drawing made in 1759 by Paul Sandby , showing the first Kew Bridge built in 1758–1759 by John Barnard, and Old Kew Bridge, London by James Webb , an oil painting dating from 1876 to 1885, are held at
3417-458: The same width. The ait has a gap in the middle known as Hog Hole which is apparent at lower high tides, dividing the ait into "upper" and "lower" sections which are awash with water at mean high water springs . The ait was also known as Makenshaw, Mattenshaw or Twigg Ait. For reasons likely connected with ownership the ancient parish of Kew in Surrey included Brentford Ait in its history;
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#17328020651043484-734: The same year, has the span of 90 m (295 ft) and crosses the valley of the Syrabach River. The difference between the two is that the Solkan Bridge was built from stone blocks, whereas the Friedensbrücke was built from a mixture of crushed stone and cement mortar. The world's largest arch bridge is the Chaotianmen Bridge over the Yangtze River with a length of 1,741 m (5,712 ft) and
3551-452: The second bridge before demolition during October to December 1899. The third bridge was completed for an official opening on 20 May 1903 by King Edward VII and Queen Alexandra who processed through Kensington , Hammersmith , Chiswick and Brentford on the way to the ceremony, returning via Mortlake and Barnes and re-crossing the Thames at Putney Bridge . The centre of the bridge
3618-653: The simplest and oldest type of bridge in use today, and are a popular type. Some cantilever bridges also have a smaller beam connecting the two cantilevers, for extra strength. The largest cantilever bridge is the 549-metre (1,801 ft) Quebec Bridge in Quebec, Canada. With the span of 220 metres (720 ft), the Solkan Bridge over the Soča River at Solkan in Slovenia is the second-largest stone bridge in
3685-819: The time of the Warring States period , the oldest surviving stone bridge in China is the Zhaozhou Bridge , built from 595 to 605 AD during the Sui dynasty . This bridge is also historically significant as it is the world's oldest open-spandrel stone segmental arch bridge. European segmental arch bridges date back to at least the Alconétar Bridge (approximately 2nd century AD), while the enormous Roman era Trajan's Bridge (105 AD) featured open-spandrel segmental arches in wooden construction. Rope bridges ,
3752-748: The undertimbers of bridges all around the world are spots of prevalent graffiti. Some bridges attract people attempting suicide, and become known as suicide bridges . The materials used to build the structure are also used to categorize bridges. Until the end of the 18th century, bridges were made out of timber, stone and masonry. Modern bridges are currently built in concrete, steel, fiber reinforced polymers (FRP), stainless steel or combinations of those materials. Living bridges have been constructed of live plants such as Ficus elastica tree roots in India and wisteria vines in Japan. Unlike buildings whose design
3819-517: The variation of strength found in natural stone. One type of cement, called pozzolana , consisted of water, lime , sand, and volcanic rock . Brick and mortar bridges were built after the Roman era , as the technology for cement was lost (then later rediscovered). In India, the Arthashastra treatise by Kautilya mentions the construction of dams and bridges. A Mauryan bridge near Girnar
3886-433: The weld transitions . This results in a potential high benefit, using existing bridges far beyond the planned lifetime. While the response of a bridge to the applied loading is well understood, the applied traffic loading itself is still the subject of research. This is a statistical problem as loading is highly variable, particularly for road bridges. Load Effects in bridges (stresses, bending moments) are designed for using
3953-456: The west of London, and can be very congested. On the eastward Kew bank is Kew Pier , which serves tourist ferries operating under licence from London River Services . The Museum of Richmond has an engraving by John Barnard, architect of the design for the first Kew Bridge, dedicated to George, Prince of Wales and his mother Augusta and dated 1759. Bernard describes it as the Bridge over
4020-694: The west of the Tideway between the Kew Green neighbourhood of Kew on the south bank and Brentford on the north bank. Its southern approach adjoins the Royal Botanic Gardens ; the northern adjoins the former Grand Junction Waterworks Company buildings and reservoirs (the remnant of which is the London Museum of Water & Steam ). The bridge forms a primary route joining the South Circular and North Circular roads to
4087-649: The word for the card game of the same name is unknown. The simplest and earliest types of bridges were stepping stones . Neolithic people also built a form of boardwalk across marshes ; examples of such bridges include the Sweet Track and the Post Track in England, approximately 6000 years old. Ancient people would also have used log bridges consisting of logs that fell naturally or were intentionally felled or placed across streams. Some of
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#17328020651044154-400: The world and the longest railroad stone bridge. It was completed in 1905. Its arch, which was constructed from over 5,000 tonnes (4,900 long tons; 5,500 short tons) of stone blocks in just 18 days, is the second-largest stone arch in the world, surpassed only by the Friedensbrücke (Syratalviadukt) in Plauen , and the largest railroad stone arch. The arch of the Friedensbrücke, which was built in
4221-421: Was built at the Brentford entrance to the bridge. The gates were removed and paraded on a brewer's dray through Brentford and around Kew Green. By the 1890s it was clear that the second bridge could not really cope with the weight of traffic and in any case the approach was too narrow and steep on the Brentford side. The engineer Sir John Wolfe Barry was invited to assess the bridge in 1892 and recommended building
4288-412: Was built by Robert Tunstall of Brentford who previously owned the ferry on the site. The bridge was inaugurated on 1 June 1759 by the Prince of Wales driving over it with his mother and a number of other royals, and was opened to the public three days later. Such was the excitement that over 3,000 people crossed in one day. Tolls ranged from 1 penny for each pedestrian to one shilling and six pence for
4355-460: Was opened; it is also the longest wooden bridge in Switzerland. The Arkadiko Bridge is one of four Mycenaean corbel arch bridges part of a former network of roads, designed to accommodate chariots , between the fort of Tiryns and town of Epidauros in the Peloponnese , in southern Greece . Dating to the Greek Bronze Age (13th century BC), it is one of the oldest arch bridges still in existence and use. Several intact, arched stone bridges from
4422-454: Was provided with a tented pavilion 60 yards long and spanning its whole width. A special temporary balcony, projecting from this, was installed so that the crowds on the banks and on the water could see the royal visitors. The king laid the last coping stone with a silver trowel and declared the bridge open. He and the queen were given a number of gifts including bouquets, a bound history of the bridge and various other commemorative items including
4489-462: Was surveyed by James Princep . The bridge was swept away during a flood, and later repaired by Puspagupta, the chief architect of emperor Chandragupta I . The use of stronger bridges using plaited bamboo and iron chain was visible in India by about the 4th century. A number of bridges, both for military and commercial purposes, were constructed by the Mughal administration in India. Although large bridges of wooden construction existed in China at
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