Breyer is going to wear a sling over the next few weeks while he recovers after he fell from his bike on Friday, Court spokeswoman Kathy Arberg told the Associated Press.
Breyer broke his collarbone when he fell. The fall happened near D.C.'s Korean War memorial.
The accident is the third injury Breyer has suffered on a bike in the last few years. In 2011 Breyer also broke his collarbone, and in 1993 his lung was punctured and his ribs were broken when he was hit by a car.