Another similar repair occurred in 2007 when a truck fire damaged I-880 and I-580 one was repaired in a week and the other 26 days[0].
[0] https://2013.infrastructurereportcard.org/2009/case-study/ma...
[0] https://2013.infrastructurereportcard.org/2009/case-study/ma...
Needless to say, California takes their freeway repair seriously when it is a critical artery through a major metro.