The M4 Thames Bridge Maidenhead is a motorway bridge between Dorney Reach

Dorney

Dorney is a village and civil parish within South Bucks district in the English county of Buckinghamshire, near Slough and about two and a half miles west of Eton.The village name is Old English and means "island frequented by bumble bees"...

, 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....

 and Bray

Bray, Berkshire

Bray, sometimes known as Bray on Thames, is a village and civil parish in the English county of Berkshire. It stands on the banks of the River Thames, just south-east of Maidenhead. It is famous as the village mentioned in the song The Vicar of Bray...

 near Maidenhead

Maidenhead

Maidenhead is a town and unparished area within the Royal Borough of Windsor and Maidenhead, in Berkshire, England. It lies on the River Thames and is situated west of Charing Cross in London.-History:...

, Berkshire

Berkshire

Berkshire is a historic county in the South of England. It is also often referred to as the Royal County of Berkshire because of the presence of the royal residence of Windsor Castle in the county; this usage, which dates to the 19th century at least, was recognised by the Queen in 1957, and...

 in England built in the 1960s.

The bridge carries the M4 Motorway

M4 motorway

The M4 motorway links London with South Wales. It is part of the unsigned European route E30. Other major places directly accessible from M4 junctions are Reading, Swindon, Bristol, Newport, Cardiff and Swansea...

 across the River Thames

River Thames

The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

 on the reach above Boveney Lock

Boveney Lock

Boveney Lock is a lock on the River Thames situated on the Buckinghamshire bank opposite the Windsor Racecourse and close to Eton Wick. Boveney is a village a little way upstream on the same side. The lock was first built in 1838 by the Thames Navigation Commission...

 and about 500 yards short of Bray Lock

Bray Lock

Bray Lock is a lock and weir on the River Thames in England near Bray and Dorney and is just above the M4 Bridge across the Thames. The lock is on the Buckinghamshire side of the river on the opposite bank from Bray itself and Maidenhead which are in Berkshire...

. It is one of four bridges carrying motorway traffic across the Thames, the others being the QE2 Bridge, the M25 Runnymede Bridge

M25 Runnymede Bridge

The M25 Runnymede Bridge is a motorway bridge built in the 1980s, carrying the M25 motorway across the River Thames. It carries the M25 North/South just south of Heathrow Airport and crosses the Thames on the reach above Penton Hook Lock and shortly before Bell Weir Lock.The bridge was built to...

 (just below Bell Weir Lock

Bell Weir Lock

Bell Weir Lock is a lock on the River Thames in England situated on the Surrey bank near Egham. It is just upstream of the M25 Runnymede Bridge which carries the M25 and A30 road across the river...

) and the M3 Chertsey Bridge

M3 Chertsey Bridge

The M3 Chertsey Bridge is a motorway bridge in England built in the 1970s.The bridge carries the M3 motorway across the River Thames on the reach above Chertsey Lock. It is 500 yards upstream of the lock and Chertsey Bridge, a historic bridge over the river...

. It also carries pedestrian traffic on a footbridge.