PORTLAND, Ore. (KOIN) — A burning truck blocked southbound traffic on Interstate 5 on Thursday.

Tualatin Valley Fire and Rescue worked to extinguish the truck fire near exit 290 around 11:40 a.m.

Crews are still working to clear the scene, but the fire appears to be extinguished.

Two I-5 southbound lanes are currently open, according to officials. Exit 290 is closed. Commuters should expect long delays or use alternate routes.

  • Crews work to put out burning tuck on I-5 (TVF&R)
  • Crews work to put out burning tuck on I-5 (TVF&R)
  • Crews work to put out burning tuck on I-5 (TVF&R)
  • Crews work to put out burning tuck on I-5 (KOIN)

The cause of the fire is still under investigation.

This is a developing story.