Roman bridge of Alborea Monument · Alborea, La Manchuela, Albacete The Roman bridge of Alborea, preserved in very good condition, crosses the Cabriel river, a natural border between this Albacete municipality and the Valencian Community. It is one of the few remaining witnesses in the Manchuela region of the old communication routes of Roman Hispania. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Alborea