Concerns have been raised following road works being carried out at Dearg Line near Barnsmore Gap.
The road works appear to have commenced a couple of weeks ago, with the people responsible unidentified.
The council has issued a statement confirming they are not involved and not aware of the people carrying out the work.
There are concerns the works could be detrimental to the historic railway bridge at Barnesmore gap.
Local resident, Marie Scanlon say people in the area are concerned as the bridge is protected..........