UPDATE: All lanes on I-80 have reopened.
EARLIER UPDATE: Westbound lanes on I-80 have reopened. Eastbound lanes remain blocked by emergency vehicles.
EARLIER UPDATE: Interstate 80 is blocked between U.S. 67 and Middle Road near the Mississippi River bridge due to emergency vehicles responding to a semi on fire.
IDOT called the accident “hazardous” and traffic has been rerouted to Interstate 280.