Mr Blowing was the driver of a black BMW 320 car which crashed on the A7 at Kirkton Burn bridge, Ewes at 7.08 pm.
No other vehicles were involved.
Mr Blowing was freed from his car by the fire service and airlifted to hospital in Dumfries, however he later died.
The road at the scene was closed for an investigation and to allow an examination of the damage caused to the bridge parapet.
The Procurator Fiscal has been informed.
Sergeant Leigh McCulloch, of the Trunk Roads Policing Group at Lockerbie, said: “We are appealing for anyone who may have witnessed this crash to come forward and speak to us and likewise would want to speak to anyone who may have seen the black BMW driving south prior to the collision.
“Callers can speak to a police officer at Lockerbie Trunk Roads Policing Unit through the 101 number.”