Canon 1251 – Abstinence from eating meat or another food according to the prescriptions of the conference of bishops is to be observed on Fridays throughout the year unless they are solemnities; abstinence and fast are to be observed on Ash Wednesday and on the Friday of the Passion and Death of Our Lord Jesus Christ.
Yes, in the US it has become less common to not eat meat on Fridays; however, it is still law and if you do eat meat, you are supposed to offer another penance, ie, extra prayers or the rosary as someone mentioned.
Last Friday, I had to attend a work function that offered barbecue, so I knew that I would eat meat. I said the Liturgy of the Hours which I don’t normally say and offered it up as my sacrifice instead of not eating meat.