ABERDEEN – A project to upgrade signals and sidewalks in south Aberdeen is bringing changes for all travelers. On July 10, contractor crews will begin single-lane and sidewalk closures at the intersection of US 101 and State Route 105 on the south side of the Chehalis River. When the project is complete in September, drivers will have brand new traffic signals. Pedestrians will also have a new crosswalk with a signal on US 101.

HOQUIAM – Travelers using both directions of US 101 north of Hoquiam can expect an around the clock closure and detour. A 2-mile section of the highway will close to all travelers from 8 p.m. Sunday, July 9 until 11:59 p.m. Monday, July 31. 

A signed detour will be in place during the closure. Plan for 23-mile detour around US 101 closure US 101 will close to all travelers between Failor Lake Road and Larson Brothers Road. The detour begins and ends in Aberdeen. The detour follows East Market Street, North B Street, Wishkah Road, East Hoquiam Road and Youmans Road. Excavate the roadway, remove barriers to fish During the closure, crews will remove the driving surface of the highway in three separate locations. 

Workers will take out the existing culverts that are a barrier to fish. The culverts will be replaced with fish passable structures. The highway will reopen after crews reinstall the driving surface of the highway. The project also includes two additional work zones. They are located on US 101 between milepost 102 and 103 north of Youmans Road and US 101 at milepost 111.3 north of McNutt Road. Travelers can expect daytime one-way alternating traffic at both locations.

Roadwork in Aberdeen
Travelers can expect additional daytime single-lane closures on US 12 and US 101 in Aberdeen from June 13 through June 15 due to bridge and roadway maintenance work

eminder: Detour planned on northbound US 101 as Riverside Bridge in Hoquiam closes for four nights in June
Plan for daytime single lane closures in Hoquiam and Aberdeen

HOQUIAM – Nighttime travelers on northbound US 101 in Hoquiam will want to plan for a detour starting June 15. Crews will close the Riverside Bridge to traffic overnight while upgrading the machine rooms that help operate the bridge.

What to expect on US 101 in Hoquiam
On Wednesday, June 14, the left lane of northbound US 101 on the Riverside Bridge will close from 6 a.m. to 3 p.m. Crews will remove the railing and roof from the machine room on the west tower of the bridge.

The first overnight closure will start at 9 p.m. on Thursday, June 15. During the closure, northbound US 101 travelers will follow a signed detour over the normally southbound US 101 Simpson Avenue Bridge. A flagger will alternate traffic one direction at a time through a single lane. The Riverside Bridge is scheduled to close for four nights in June.

Riverside Bridge closures in June

• 9 p.m. Thursday, June 15 to 5:30 a.m. Friday, June 16.
• 9 p.m. Monday, June 19 to 5:30 a.m. Tuesday, June 20.
• 9 p.m. Thursday, June 22 to 5:30 a.m. Friday, June 23.
• 9 p.m. Monday, June 26 to 5:30 a.m. Tuesday, June 27.