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3 common injuries that can happen in an underride accident

On Behalf of | May 7, 2026 | Truck Accidents

An underride accident happens when a smaller vehicle slides beneath the trailer of a large commercial truck during a collision. The roof of the passenger vehicle can shear off or collapse, leaving occupants exposed to the serious injuries below.

Traumatic brain injuries

Your head is particularly vulnerable in an underride crash, even when airbags deploy. Common injuries from these collisions include:

  • Concussions and diffuse axonal injuries caused by sudden deceleration
  • Brain contusions or hemorrhaging due to blunt force
  • Penetrating head wounds from glass, metal or debris
  • Skull fractures from direct contact with the truck’s undercarriage
  • Cognitive and memory impairments

Because some symptoms may not appear for hours or even days after the crash, a head injury can delay your treatment and add complications to your future claim.

Fractures and crush injuries

During an underride crash, the passenger compartment of your car gets crushed. This can result in:

  • Shattered bones in the chest, pelvis and limbs
  • Internal organ damage from compression
  • Spinal cord injuries
  • Traumatic amputation of extremities trapped in the wreckage
  • Severe soft tissue damage to muscles, tendons and ligaments

Many of these injuries require emergency surgery and extended hospitalization. Recovery and rehabilitation can take months or years, and some injuries may result in permanent disability.

Lacerations and facial wounds

A collapsing windshield and roof can expose your face directly to shattered glass, twisted metal and the truck’s undercarriage. As such, you may sustain:

  • Deep lacerations and puncture wounds across the face and neck
  • Fractured jaw, cheekbone and orbital bones
  • Damage to the eyes, nose or mouth that may require reconstructive surgery
  • Severe dental injuries and tooth loss
  • Burns or abrasions from friction with metal and road surfaces

Beyond the physical harm, visible scarring and disfigurement carry a significant psychological toll. Many survivors of these injuries experience anxiety, depression or post-traumatic stress disorder related to changes in their appearance.

Deadlines and legal options for your claim

California gives you two years from the date of your injury to file a personal injury claim under the its statute of limitations. Missing it can prevent you from recovering compensation regardless of the circumstances of your accident.

Determining liability is another factor worth considering. Possible defendants may include the truck driver, the trucking company, the trailer manufacturer or a government entity responsible for road design and maintenance.

An attorney who is familiar with truck accident claims can help you evaluate your options and understand the legal process. They may also gather vital evidence for your case and speak to insurers while you focus on healing.

 

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