The bridge at Preston on the Weald Moors is a classic of the canal era. A stone, three centred arch, slightly skewed, supporting brick infill and spandrels. The spandrel walls were both tilted ad curved, creating a very stiff structure. The various records of the test do not describe the structure in detail which is quite hard to forgive. One reason for writing this is that “I was there” and I see a real need to put some stuff on record.