Complex sentence: A short stretch of the canal near Moira has been restored and re-filled with watered, but the A46 main road has been built across the canal's formation making a complete re-opening unlikely in the near future.
Split into simpler sentences: A short stretch of the canal near Moira has been restored and re-filled with water. But the A46 main road has been built across the canal's formation making a complete re-opening unlikely in the near future.