The 10 Freeway was shut down from Desert Center to the Arizona state line as a result of the bridge collapse and heavy flooding, authorities said.
PHOTOS: Bridge over 10 Fwy east of Coachella collapses into flood waters
Firefighters responded at about 4:40 p.m. to the eastbound 10 Freeway east of Eagle Mountain Road to rescue the driver, Riverside County fire officials said. The driver was freed after nearly two hours and taken to Desert Regional Medical Center in Palm Springs with moderate injuries.
A passenger made it out earlier in the day.
Caltrans officials said the underlying Tex Wash that runs under the freeway flooded about 40 feet of the roadway on the 10 Freeway. An eastbound section of the freeway had fallen in.
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Structural engineers are expected to assess the damage early Monday morning. The 10 Freeway will remain closed until further notice.
Those traveling from Arizona should take Arizona Route 95 to Interstate 40 or Interstate 8 to State Route 111 to Route 86 to access Interstate 10. State Routes 177 and 78 are also closed due to flooding.
City News Service contributed to this report.