First of all - don't let the location near the A10 bother you! Yes, there is a big road "in the backyard", but what it comes to traffic noise, we didn't even notice it.
The hotel itself is beautiful both inside and outside and the family who owns it is very helpful and nice - we got a good tip where to eat and watch euro2016 game in Anif, a walking distance from the hotel. The hotel is located about 15minutes drive from the center of Salzburg, easy to get on the highway and towards city center - but a little difficult to see the point where you turn to find the road to hotel (or maybe it was just us).
Breakfast was okay, nothing too special but definitely everything you need. Wifi worked without complaints.
I would recommend this one and book it again if needed. Unexpected jewel, like someone else said!