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M25 Runnymede Bridge

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Title: M25 Runnymede Bridge  
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Subject: River Thames, Staines Bridge, M3 Chertsey Bridge, Albert Bridge, Datchet, Colne Brook
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M25 Runnymede Bridge

M25 Runnymede Bridge
The M25 Runnybridge pictured from southern towpath immediately downstream
Carries M25 motorway
A30 road
Crosses River Thames
Locale Staines
Designer M25 Ove Arrup
A30 Edwin Lutyens
Design Arch
Material M25 Concrete
A30 Brick
Height 23 feet 0 inches (7.01 m)[1]
Number of spans 1

The M25 Runnymede Bridge is a motorway, A-road and pedestrian and cycle bridge built in the 1940s, 1980s and expanded in the 2000s carrying the M25 and A30 across the River Thames near the uppermost end of the Staines upon Thames and Egham reach of river. It is oriented north–south and is southwest of Heathrow Airport. It in fact consists of the Runnymede Bridge and the New Runnymede Bridge.

Commonly referred to as one bridge, it one of three bridges carrying motorway traffic across the Thames, the others being the M3 Chertsey Bridge and the M4 Thames Bridge, Maidenhead.


Runnymede Bridge

In part designed by Sir Edwin Lutyens[2] this is a single-span arch bridge built of brick to carry the A30's Staines Bypass[n 1], near the uppermost end of the Staines upon Thames and Egham reach of river above Penton Hook Lock and below Bell Weir Lock. It is an arch bridge which is specifically of the spandrel arch design supported by two outer walls (spandrels) in red brick infilled with looser material such as gravel. Until the 2013 construction of the present Walton Bridge this was the first single span (without piers) across the River Thames heading upstream from the river's mouth.[2]

New Runnymede Bridge

The New Runnymede Bridge forming its eastern half was built in the 1980s to complement the earlier western half of the crossing, also simply named the Runnymede Bridge.[2][3]

It is a single arch bridge of approximately the same form, but is made up of a series of parallel concrete frames: these allow light to penetrate upwards underneath and transfer loads vertically to avoid disturbing the foundations of the westerly bridge companion. The motorway bridge was in the first decade of the 21st century widened to six lanes each way, the widest in Britain.

See also

Notes and references

Next crossing upstream River Thames Next crossing downstream
Albert Bridge (road) M25 Runnymede Bridge
Grid reference: SU967772
Staines Bridge (road)

Coordinates: 51°26′15″N 0°32′05″W / 51.43750°N 0.53472°W / 51.43750; -0.53472

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