The crash happened around 3:30 p.m. Thursday between University City and 26th Street in the city's Grays Ferry section.
[Ads /]
Police said the 65-year-old male driver was hauling the flatbed trailer when the vehicle flipped on its side.
A pickup truck then hit the wreckage.
The driver was rushed to Penn Presbyterian Medical Center after being trapped in the wreckage for about 10 minutes. His condition is unknown.
A second person was reportedly taken to a local hospital. That person's condition is also unknown.