It is a Scheduled Ancient Monument , and the remains of the mediaeval bridge are a Grade II * listed building .
The Clawdd - du is now partly infilled , but still exists for most of its length as a broad ditch used for drainage .
Clawdd - du is a Scheduled Ancient Monument , and the remains of the mediaeval bridge are a Grade II * listed building .
The Clawdd - du is now partly infilled , but still exists for most of its length as a broad ditch used for drainage .