Sonning Backwater Bridges

All three including their two very short causeways or viaducts between them form the longest structure to cross the river below Wallingford, Oxfordshire and above Windsor Railway Bridge.

A few hundred metres upstream along the backwater – a traditional term, as it is today a main weir stream – are the feeding This channel runs along the north-west bank.

Built partly in the late 19th century is the French Horn, a large hotel-restaurant north of the bridge, overlooking it.

At the beginning of the 20th century, there were complaints about the traction engines causing it structural problems and disturbing the peace, much as there is with traffic today.

The bridges are occasionally inundated or closed to traffic when the Thames is in extreme flood; the waters regularly rise to the steps of the French Horn and submerge the car park of The Flowing Spring pub.