Incredible video shows what happens in a semi truck rollover crash

Around 5 a.m. on Monday morning, a semi truck rollover crash blocked the northbound lanes of I-5 out of Portland.

Here’s an incredible view of the crash, captured by another vehicle on I-5 (or watch it on youtube here.)

Truck crashes happen all the time, but it’s not often that we get to see how it happens.

The anatomy of a semi truck rollover crash

This tractor-trailer was reportedly hauling about 90,000 lbs. of hay. That is a very heavy load, even for a commercial truck.

An Oregon Department of Transportation official said someone cut off the semi driver, who was traveling from Junction City, Oregon up to Tacoma, Washington.

Semi truck rollover crash-Portland-Coluccio Law
Here is the vehicle  in question, next to the semi truck on the Marquam Bridge.

 

Semi truck rollover crash-Portland-Trucking Law
Here’s the big rig about 10 seconds after the car passes.

Note that the interstate starts to curve at this point.

When a heavy truck moves along a curved path, centrifugal force causes it to lean away from the direction of the curve.

 

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The trailer starts to tip …

The tractor-trailer’s speed, heavy load, and high center of gravity result in a rollover.

 

Semi truck rollover crash-Truck accident Lawyer Coluccio Law

 

The truck turned over, and then skidded to a halt.

Several Oregon news outlets reported that the driver was — thankfully—”not injured” or “not seriously injured.”

Due to the size of the load, and the location of the semi truck rollover crash on the Marquam Bridge, traffic was backed up for hours around Portland.

 

Semi truck accident I-5 bridge KGW
Portland’s KGW ran a time-lapse of the 7-hour cleanup. ODOT officials noted that it could have taken much longer if the crash had occurred in Eastern Oregon.

The 2003 Large Truck Crash Causation Study by the Federal Motor Carrier Safety Administration included an in-depth analysis of 239 crashes in which a truck rolled over.

About half were caused by “failing to adjust speed” to curves, ramps, the weight of the road, condition of the brakes, road surface and conditions.

Even when no one is injured, truck crashes can have serious repercussions.

This particular crash left drivers stuck in traffic for hours. It made thousands of commuters late for work, and required a huge cleanup by several public agencies.

 


Attorney Kevin Coluccio learned about the anatomy of a semi truck rollover in his 30+ years as an attorney for truck accident crash victims. He is also the author of a Legal Guide to a Truck Crash Lawsuit

You can reach Coluccio here.

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