Bridge pattern intent is to decouple the abstraction from its implementation, so abstraction and implementation are independent (not bound at compile time, so no impact to the client):

The benefits are as mentioned:

• Decoupling interfaces from the implementation
• Configuring the implementation of an abstraction at runtime
• Elimination of compile-time dependency
• Improved extensibility
• Hiding implementation details from the client

The impact is, introducing some level of complexity.