A few questions I'd consider: What is your current financial safety net? How long could you last based on your current savings if you were to lose this job or someone had major medical needs? Do any of you have ongoing health issues, and/or do you plan on having more kids?
I'm not an expert, but a $60K jump in pay sounds like a pretty hefty benefit in a cost/benefit analysis. If you were to go the route of using fairly minimalist health insurance and paying out of pocket for basic healthcare, then subtract that cost of that. Then compare it to the risk of any major health issues or job loss, do you have the resources to weather that kind of storm if need be? Particularly in the first few months, which sound like they'd be the riskiest in terms of potentially having to fall back on your safety net.