Forth Bridge staked his claim for honours at the Cheltenham Festival when carrying The Queen's colours to victory in the bet365 Scottish Triumph Hurdle Trial at Musselburgh.The Charlie Longsdon-trained four-year-old repeated his previous course-and-distance success as he outpointed Irish raider Warp Factor in determined fashion.Noel Fehily set out to make all the running on Forth Bridge (9-1), but he was headed by Fidux at the third-last flight.That horse's challenge proved short-lived, though, as Forth Bridge soon regained the advantage and held Warp Factor by three-quarters of a length.Project Bluebook, the 6-4 favourite, was third.Forth Bridge was halved in price to 25-1 for the JCB Triumph Hurdle at the Festival in March.