State of Play of U.S. FTAs
I found this table from Washington Trade Daily to be a useful summary of the state of play of U.S. FTAs:
1985
US-Israel FTA
Implemented
1989
US-Canada FTA
Implemented; combined with NAFTA in 1994
1994
North American Free Trade Agreement
Implemented
2001
US-Jordan FTA
Implemented
2004
US-Singapore FTA
Implemented