UPDATE: Both directions of State Route 169 (Renton-Maple Valley Rd) at Cedar Grove Rd SE, near Maple Valley, will be closed until Wednesday evening, Oct. 20. A signed detour will direct traffic to nearby roads. The closure was originally scheduled to end at 5 a.m. Monday, Oct. 18. Crews extended the closure following the discovery of what appeared to be remnants of a bridge structure at the project site.

More information: https://bit.ly/SR169MapleValley