LITCHFIELD, Ill. -- A 25-year-old passenger who died in the crash of a double-decker bus in Illinois was a native of India and a graduate student at the University of Missouri.

Aditi R. Avhad was headed to Columbia, Mo., Thursday when the bus slammed into a highway overpass support pillar near Litchfield, about 55 miles northeast of St. Louis.

The school said Friday that Avhad was a graduate student in health administration from Mumbai.

Illinois State Trooper Brad Lemarr says he doesn't know where Avhad was seated on the bus, which was traveling between Chicago and Kansas City.

Thirty-eight people were sent to hospitals with injuries. Officials say some patients were still hospitalized Friday but that no one had life-threatening injuries.

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  • Megabus

    The wreckage of a Megabus is removed from the bridge support pilar that it slammed into after blowing a tire, Thursday, Aug. 2, 2012 in Litchfield, Ill. Illinois State Police Trooper Doug Francis said at least one person was killed in the afternoon wreck which was traveling from Chicago to Kansas City. He didn't immediately have other details about the death. (AP Photo/Tom Gannam)

  • Megabus

    The wreckage of a Megabus is removed from the bridge support pilar that it slammed into after blowing a tire, Thursday, Aug. 2, 2012 in Litchfield, Ill. Illinois State Police Trooper Doug Francis said at least one person was killed in the afternoon wreck which was traveling from Chicago to Kansas City. He didn't immediately have other details about the death. (AP Photo/Tom Gannam)

  • The Megabus is pulled away from the bridge support Thursday evening Aug. 2, 2012 on southbound Interstate 55 north of Litchfield, Ill. The packed double-decker Megabus slammed into an Illinois interstate bridge support pillar Thursday, hurtling screaming passengers from their seats and leaving at least one person dead and more than three dozen injured, officials said. (AP Photo/St. Louis Post-Dispatch, J.B. Forbes)

  • First responders wheel a crash victim to a waiting ambulance at the scene of a charter bus crash on Interstate 55 near Litchfield, Ill. Thursday, Aug. 2, 2012. Illinois State Police say at least one person has died after the double-decker Megabus carrying 81 passengers blew a tire and slammed head-on into a concrete bridge support pillar. Officials say more than two dozen other passengers in varying conditions are being treated at hospitals. At least four have been flown by helicopter to a trauma center. (AP Photo/The State Journal-Register, David Spencer)

  • First responders work the scene of a charter bus crash on Interstate 55 near Litchfield, Ill. Thursday, Aug. 2, 2012. Illinois State Police say at least one person has died after the double-decker Megabus carrying 81 passengers blew a tire and slammed head-on into a concrete bridge support pillar. Officials say more than two dozen other passengers in varying conditions are being treated at hospitals. At least four have been flown by helicopter to a trauma center. (AP Photo/The State Journal-Register, David Spencer)

  • Two helicopters are parked on the northbound lanes near the scene of a charter bus crash on Interstate 55 near Litchfield, Ill. Thursday, Aug. 2, 2012. Illinois State Police say at least one person has died after the double-decker Megabus carrying 81 passengers blew a tire and slammed head-on into a concrete bridge support pillar. Officials say more than two dozen other passengers in varying conditions are being treated at hospitals. At least four have been flown by helicopter to a trauma center. (AP Photo/The State Journal-Register, David Spencer)

  • Passengers on a bus that crashed on Interstate 55 just north of Litchfield wait on a replacement bus outside a shelter in Litchfield, Ill., set up for travelers not seriously injured on Thursday, Aug. 2, 2012. A packed double-decker Megabus slammed into an Illinois interstate bridge support pillar Thursday, hurtling screaming passengers from their seats and leaving at least one person dead and more than three dozen injured, officials said. (AP Photo/St. Louis Post-Dispatch, Christian Gooden)

  • This photo from video provided by KSDK-TV NewsCenter5 in St. Louis, shows the scene near Litchfield, Ill., where a double-decker Megabus struck a concrete bridge pillar along Interstate 55 in southern Illinois. There was no immediate word of injuries in the Thursday afternoon wreck. (AP Photo/Courtesy KSDK-TV NewsCenter5 in St. Louis)

  • This photo from video provided by KSDK-TV NewsCenter5 in St. Louis, shows the scene near Litchfield, Ill., where a double-decker Megabus struck a concrete bridge pillar along Interstate 55 in southern Illinois. There was no immediate word of injuries in the Thursday afternoon wreck. (AP Photo/Courtesy KSDK-TV NewsCenter5 in St. Louis)

  • This photo from video provided by KSDK-TV NewsCenter5 in St. Louis, shows the scene near Litchfield, Ill., where a double-decker Megabus struck a concrete bridge pillar along Interstate 55 in southern Illinois. There was no immediate word of injuries in the Thursday afternoon wreck. (AP Photo/Courtesy KSDK-TV NewsCenter5 in St. Louis)

  • This photo from video provided by KSDK-TV NewsCenter5 in St. Louis, shows emergency vehicles at the scene near Litchfield, Ill., where a double-decker Megabus traveling from Chicago to Kansas City struck a concrete bridge pillar along Interstate 55 in southern Illinois. There was no immediate word of injuries in the Thursday afternoon wreck. (AP Photo/Courtesy KSDK-TV NewsCenter5 in St. Louis)

  • This photo from video provided by KSDK-TV NewsCenter5 in St. Louis, shows the scene near Litchfield, Ill., where a double-decker Megabus traveling from Chicago to Kansas City crashed into a concrete bridge pillar along Interstate 55 in southern Illinois. There was no immediate word of injuries in the Thursday afternoon wreck. (AP Photo/Courtesy KSDK-TV NewsCenter5 in St. Louis)