Tickford Bridge, over the River Ouzel

River Ouzel

The River Ouzel , also known as the River Lovat, is a river in England, and a tributary of the River Great Ouse. It rises in the Chiltern Hills and flows 20 miles north to join the Ouse at Newport Pagnell....

 (or Lovat) in Newport Pagnell

Newport Pagnell

Newport Pagnell is a town in the Borough of Milton Keynes , England. It is separated by the M1 motorway from Milton Keynes itself, though part of the same urban area...

, 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....

, England

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...

, was built in 1810 and is the only iron bridge in Britain that still carries main road traffic and is the oldest iron bridge in the world that is still in constant use. There is a plaque near the footbridge at the side that gives details of its history and construction. A large set of sluice gates, used to control downstream flooding of the River Great Ouse, is located near the bridge.