The seat that Sen. Richard Burr (R) now holds has changed hands every six years for decades. But even with an approval rating that would be considered dangerous for an incumbent at this point, Burr is poised to buck that trend, a new PPP (D) poll finds.

General Election Matchups
Burr 46 -- Cunningham 27 -- Und 27
Burr 44 -- Etheridge 33 -- Und 23
Burr 45 -- Foy 29 -- Und 26
Burr 44 -- Lewis 30 -- Und 26
Burr 44 -- Marshall 32 -- Und 24
Burr 43 -- Wicker 30 -- Und 26

Burr 45 -- Generic D 34 -- Und 22

In PPP's last survey, Burr ranged from 41-43 percent against these same opponents. His approval rating is now 36 percent, down from 38.

The survey of 683 voters was conducted October 2-4, and has a margin of error of +/- 3.8 percent.