You can import the image straight from the Camera card to Lightroom Or if you have already copied the images on the desktop you can add images from there.
Bridge doesn't work with Lightroom like Photoshop.
Refer the import article for Lightroom:
Let us know if that helps.
In Bridge if you double click, or Right click on the image and select Open, that image will open in PS and or ACR depending on your settings and the type of file, JPG or RAW.
You don't get image FROM Bridge to LR. Bridge is a File browser for the Adobe programs. Your images are NOT IN Bridge. They are on your hard drive wherever you placed them. To get them to show up in LR you have to Import them. Please view an Online Tutorial on importing images into LR.