Looks like Hexworthy...
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Always known it as Huccaby rather than Hexworthy but either is valid.
I cross it every time I go to Venford or Combstone Tor, I once stpooed in the parking area beside it to look for a shot but I didn't get anything I wanted to keep.If you corrupt Hexworthy the Devon way and mangle it a bit more you can sort of turn it into Huccaby. Perhaps that's where Huccaby came from
In all my years on Dartmoor I've never been to or over Hexworthy Bridge. Close, but never there