Situation: I am a Mexican citizen currently living in the US with a valid J1 work visa as an exchange scholar. My DS-2019 has been extended until 2022 and my visa expires at the end of August this year. I-94 is valid while DS-2019 is valid.
Question: I'd like to go to Mexico for medical reasons. Can I cross the land border from Mexico into the US with my current status? In other words, am I an essential traveller? In case it matters, I would like to cross to/from Tijuana or Tecate.
Update Aug. 19: I crossed the border yesterday in my car. Had no trouble at all. Just bring your passport, visa and DS-2019.