CHESTER, Pa. (CBS) – Part of interstate 95 was closed Wednesday afternoon in Delaware County due to an accident.

It happened a little before 5 p.m. in the southbound lanes of I-95 near the Commodore Barry Bridge in Chester.

There is no word on how the accident happened or whether there were any injuries.

The highway was shut down for nearly an hour before reopening at about 5:30 p.m. Commuters can expect delays.

The accident is under investigation.