The bridge, long since demolished, would have been a traditional red brick hump-backed structure with stone copiings, similar to many others on the Thames & Severn.
The infilled Cerney Upper Lock is behind the fence, in the top picture.
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This and the following photo shows the field below the bridge site where the canal is infilled, and which also contains Cerney Middle & Lower Locks. The infilled line of canal is to the right of the fence.
The infilled line of canal is to the left of the fence.