MB Bridge Number - Version 1.90 MB Free Bridge Number Software gives you information about the Life path/ Expression bridge number and the Soul Urge/Personality bridge number.The bridge numbers show how you can make the core numbers in your chart relate more with each other.Life Path / Expression Bridge Number: This number answers the ‘whom' in you. The L/E Bridge Number helps you understand yourself and close the gap with the path you are taking in your life. Heart Desire / Personality Bridge Number: This number tries to close the gap between how you think you are projecting yourself and the way people see you. This will help improve your relationships and let others see the real you.