No we don't. I live in CA, we have the _worst_ most corrupt senators in the nation.
Nancy Pelosi has been in congress since 1987, Darrel Issa since 2003, Maxine Waters 1991, Dianne Feinstein 1992, Barbara Boxer was in the Senate from 1993 until 2017.Dana Rohrabacher, 1989, Ken Calvert, Anna Eshoo, Lucille Roybal-Allard, Ed Royce have all been in their current office since 1993.They may be corrupt, but they keep getting reelected.
It's not really much different anywhere else though. Robert Byrd in West Virginia served 51 years. He was even a member of the KKK while in office at one point. Strom Thurmond of South Carolina was in office just shy of 50 years. He still holds the record for the longest filibuster, which was in opposition of civil rights legislation. He was well known for fondling women as well. Ted Kennedy of Massachusetts was in for 46 years. After the incident with Mary Jo Kopechne, not only did he avoid any charges, he was also reelected.