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London Bridge

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Parent: City of London Hop 4
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London Bridge
NameLondon Bridge
CaptionThe current London Bridge, opened in 1973.
CarriesA3 road
CrossesRiver Thames
LocaleLondon
MaintBridge House Estates
DesignerLord Holford
EngineeringMott, Hay and Anderson
DesignPre-stressed concrete box girder
MaterialConcrete and granite
Mainspan104 m (341 ft)
Length269 m (883 ft)
Width32 m (105 ft)
BuilderJohn Mowlem & Co
Begin1967
Complete1972
Open17 March 1973
Inaugurated byQueen Elizabeth II
Preceded byRennie's London Bridge (1831–1967)
Coordinates51, 30, 29, N...
Map typeUnited Kingdom London Central

London Bridge is a major crossing of the River Thames in central London, connecting the City of London with Southwark. The current structure, opened by Queen Elizabeth II in 1973, is a modern box girder bridge that replaced a 19th-century stone arch bridge. This site has been a pivotal river crossing for nearly two millennia, with historical bridges playing a central role in the city's development, trade, and defense. Its enduring presence has made it a globally recognized symbol of London itself, referenced in everything from nursery rhymes to major films.

History

The history of a bridge at this location dates to Roman Britain, with evidence of a timber crossing established around AD 50, near the site of the present-day London Bridge station. Following the Norman Conquest, a series of wooden bridges were built and destroyed by events like the London tornado of 1091. The first stone bridge, Old London Bridge, was begun under the reign of Henry II and completed in 1209 under King John; it famously supported a bustling street of houses and shops and was a key site during events like the Peasants' Revolt. This medieval structure stood for over 600 years before being replaced in 1831 by a new granite bridge designed by John Rennie. That 19th-century bridge was itself sold in 1968 to the American entrepreneur Robert P. McCulloch and reconstructed at Lake Havasu City in Arizona.

Design and construction

The present bridge was designed by architect Lord Holford and engineered by the firm Mott, Hay and Anderson. Constructed by John Mowlem & Co between 1967 and 1972, it is a functional, no-frills example of mid-20th century engineering. The structure is a three-span, pre-stressed concrete box girder bridge, clad in granite to give a more traditional appearance that harmonizes with the nearby Tower of London. Its design prioritizes efficient traffic flow for the A3 road, with a width of 32 meters accommodating multiple vehicle lanes and pedestrian walkways. The construction process involved careful coordination to maintain traffic on one of the world's busiest waterways, overseen by the City of London Corporation through its Bridge House Estates trust.

Cultural significance

As the oldest crossing point on the Thames in central London, the bridge holds profound cultural and historical significance. For centuries, it was the only permanent Thames crossing in the city, making it a critical choke-point for commerce and a strategic defensive location, notably during the Viking invasions and the Wars of the Roses. The southern approach in Southwark became a zone for entertainment and rebellion, housing the Globe Theatre and Tabard Inn immortalized by Geoffrey Chaucer. Its iconic status is such that "London Bridge" is often mistakenly used to refer to the more ornate Tower Bridge located downstream. The bridge remains a central landmark in the City of London's governance and ceremonies.

The bridge is immortalized in the traditional nursery rhyme "London Bridge Is Falling Down", whose origins are speculated to be linked to the destruction of earlier bridges by forces like Olaf II of Norway. It has featured prominently in literature, such as in the opening of Charles Dickens's Our Mutual Friend, and in modern media, including its dramatic destruction in films like *Harry Potter and the Order of the Phoenix* and *Mission: Impossible – Fallout*. The sale and reconstruction of the previous bridge in Arizona became a popular piece of 20th-century Americana and a frequent subject of trivia. Its image is consistently used in global media as a visual shorthand for London.

See also

* Tower Bridge * Westminster Bridge * Millennium Bridge * Blackfriars Bridge * History of London

Category:Bridges in London Category:Bridges across the River Thames Category:Box girder bridges Category:Buildings and structures in the City of London