The call came in around 8 a.m. Friday for someone trapped on the 1200 block of North American Street.
Fortunately, the Rescue 1 fire station is right around the corner, so firefighters responded to the scene about two minutes after the accident.
Chopper 6 over the scene showed firefighters attempting to reach the worker.
Around 8:35 a.m., they pulled the worker from the trench.
The worker is said to be in stable condition at Jefferson University Hospital.