Has a College Football game ever ended 55-45?
Yes. College Football has seen a final score of 55-45 4 times. It first happened on November 16, 1996, when East Carolina beat Ohio, and most recently on October 31, 2015, when Purdue beat Nebraska.
That makes 55-45 the 1362nd most common final score out of 2,216 that have ever occurred in College Football. One point away, 56-45 has happened 4 times and 55-46 has happened 1 times.