Captured on 19 July 1967 as part of the Cambridge University Collection of Aerial Photography, the image revealed a ring-ditch, the surviving fosse or defensive ditch of a circular enclosure roughly eight to ten metres across. At ground level there would be little to see; it is one of those features that only becomes legible from the air, where cropmarks and soil discolouration trace the outlines of structures long since erased from the surface.

Ring-ditches of this kind are generally understood to be the remnants of prehistoric or early medieval enclosures, the circular fosse having once surrounded a dwelling, a ritual space, or a burial. What makes the Bennettsbridge example quietly interesting is its company. A second, larger ring-ditch sits approximately twenty metres to the south-west, and the proximity of the two suggests this small area may once have held more significance than its present agricultural appearance implies. Paired or clustered ring-ditches sometimes indicate a cemetery or a settlement with a longer history of use, though the specific nature of these two enclosures has not been established from surface evidence alone.