Clapper bridge
A clapper bridge is an ancient form of bridge found on the moors of the English West Country (Bodmin Moor, Dartmoor and Exmoor) and in other upland areas of the United Kingdom including Snowdonia and Anglesey, Cumbria, Derbyshire, Yorkshire, Lancashire, and in northern Wester Ross and north-west Sutherland in Scotland. It is formed by large flat slabs of stone, often granite or schist. These can be supported on stone piers across rivers, or rest on the banks of streams.
Tarr Steps, Exmoor, Somerset, England | |
| Ancestor | Step-stone bridge |
|---|---|
| Related | Log bridge |
| Descendant | Arch bridge, trestle bridge |
| Carries | footpaths, tracks, roadways |
| Span range | Short |
| Material | Stone |
| Movable | No |
| Design effort | Low |
| Falsework required | No |
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