Ok, this is another quarter mile up the road:
Took the first picture after stopping to walk the rut to make sure it was somewhat firm. Took this second picture because I came across this:
The sign doesn't look to be official, and the road goes through on my gps, but I was alone, 3 miles from pavement, on a 600 pound bike on a muddy road. I wasn't going to press my luck with the shot up road sign and half a dozen no trespassing signs.