Authorities in Modesto, California, responded to a pileup involving 15 cars and 3 CMVs on Wednesday morning.
The crash was reported around 5 a.m. on the Mitchell Road Bridge.
The Modesto Fire Department said that 18 vehicles were involved in the collision.
The pileup was initially declared a Multiple Casualty Incident, but this was cancelled after it was discovered that all of the injuries were minor.
The pileup resulted in a diesel spill of about 100 to 150 gallons.
The cause of the pileup remains under investigation.