A female friend invited me over to her place, but I'm married? Is it a bad idea for me to go?

Hello everyone. I have a female friend/colleague that I have been friends with for a few years. It has never turned flirty in all that time. My wife knows her and is completely comfortable with her even with us meeting for lunch a couple of times. However, something just happened that I think is a little strange. She invited over her place tomorrow after my job assignment for dinner. She lives alone so and didn't mention anyone else coming. Im married and she has a boyfriend. What is your opinion on this situation? Is it a bad idea for me to go?
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Hello everybody. Update, I went. I asked her if we were going to be alone. I didn't want to in order to not make it weird but I guess I had to so that I would avoid a worse awkward situation. She said no, that her cousin was coming to visit too. So I told my wife before going and everything is cool. We were alone however for about a half hour since her cousin was running late, but felt comfortable and not awkward. She kept her distance and did nothing weird.
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Also, for people asking why she didn't invite my wife. Reason is that my wife is not around. She is on vacation in Disney with a family friend, her family, and our daughter. I wasn't able to go because my job wouldn't let me since I already have a vacation scheduled for June 26 for a week in Puerto Rico.
A female friend invited me over to her place, but I'm married? Is it a bad idea for me to go?
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