From the City of Sumner:
There will be a full closure of both the Traffic Avenue bridge over SR 410 and SR 410 itself under Traffic Avenue coming up. On Friday, March 20, both lanes of Traffic Avenue over SR 410 AND all lanes in both directions of SR 410 at Traffic Avenue will be closed. Traffic Avenue will close at 8 pm and SR 410 will close at 9 pm. Both closures will last until 7 am on Saturday, March 21. Again, the next evening, all these same routes will close Saturday, March 21 at 8 pm and reopen on Sunday, March 22 at 9 am.
Read more, including detour information at the link.