BOONE COUNTY, Mo. (KMIZ)
UPDATE: A second crash stopped traffic at the bridge Wednesday afternoon.
No one was hurt in the second crash, a Boone County Fire Protection District spokesman said. However, traffic remained backed up more than an hour after the crash.
The Missouri State Highway Patrol said traffic was at a standstill on the bridge just before 2:30 p.m.
Watch a replay of video from the second scene in the player below.
ORIGINAL: Westbound Interstate 70 closed shortly before 7:30 a.m. Wednesday due to a five-vehicle crash.
Traffic started moving on the bridge again around 8:30 a.m.
Watch a recording of the first crash scene in the player below.
The Missouri State Highway Patrol said in a crash report that two people -- a Hannibal, Missouri, man and a Columbia woman -- suffered minor injuries. The crash happened when a Toyota Venza hydroplaned and hit a guardrail, according to the patrol. A tractor-trailer then hit the car, initiating a chain reaction.
The Central District of the Missouri Department of Transportation posted to Twitter that the crash happened at the Missouri River Bridge in Rocheport.
Missouri State Highway Patrol Troop F also tweeted about the crash saying two passenger cars and a semi-tractor trailer were involved in the wreck. The tweet said injuries were reported in the crash but it did not specify who was injured.