This Grade II listed structure carries the canal over the River Tame near the Brownhill Countryside Centre.

Otherwise known as the Saddleworth Aqueduct, its colloquial name arose from the pronounced sag which occurred in its single span at an early stage after completion.

The scheme involved making the aqueduct structurally sound by constructing a new channel in lightweight concrete.

The aqueduct has been completely excavated down to the top of the arch and saddled with mass concrete to spread the load. In this picture the channel is under construction with shuttering indicating the new walls. The yellow pipe on the left is a temporarily supported gas main.

The completed aqueduct. Now that the work has been complete there isn't much to show for what went into its refurbishment, but the old aqueduct will be structurally sound now for many years to come.

And, at last, a boat heads for Old Sag Aqueduct and the site of the earliest restoration work by Canal Society Volunteers at Dungebooth and Limekiln Locks.

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