(both Grade II* listed), with Aberbrân bridge another 1.5 mi downstream.

The Grade I listed Usk Bridge in Brecon dates back to 1563 but it was significantly altered in the 1950s to accommodate increased road traffic. It is supplemented by a modern concrete span bridge carrying the A40 Brecon bypass dual carriageway over the river to the east of the town. Another 1.5 mi miles downstream is Lock Bridge, which carries