Jeffrey Kuykendall, 43, (pictured) was booked into the Sacramento County Jail on a count of child endangerment. Bond was set at $75,000.
At 8:48 a.m., police responded to a call of a man running across I-5, near the 1100 block of Second Street, with a small child. It was found that Kuykendall and his son had run across I-5 to the center divider, waited for a break in the traffic, and continued to the other side of the freeway.
Officials said the father is from Shasta Lake and had been visiting the area.
The boy was taken into protective custody after his father was arrested.