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Scoggins Dam seismic studies will impact traffic at Hagg Lake

The U.S. Bureau of Reclamation's seismic testing of Scoggins Dam will impact traffic at Hagg Lake starting May 31. West Shore Road across the dam will remain open, but only one-way southbound traffic will be allowed.
Media release

For Immediate Release: Thursday, May 26, 2016

Start date delayed to June 13
UPDATED: 05/26/2016
Sponsored by: Department of Land Use and Transportation, Operations and Maintenance Division

This information has been updated in a new media release. For the latest information, see Scoggins Dam seismic studies require lane closure at Hagg Lake or visit wc-roads.com.


The start date for the lane closure on West Shore Drive over Scoggins Dam has been delayed to June 13. The lane closure had been scheduled to start May 31. Updated schedule information will be shared as soon as it is available.


Direction of lane closure changed - northbound lane will be closed
Updated: 5/25/2016

The direction of the lane closure across Scoggins Dam has changed. The northbound lane of West Shore Drive across Scoggins Dam will be closed starting May 31.

Only southbound one-way traffic will be allowed across the dam until 5 p.m. July 1 while Bureau of Reclamation conducts seismic testing on the dam.

Travelers will be able to turn onto West Shore Drive from Scoggins Valley Road to reach the west side of Hagg Lake. 

To leave the park from C-Ramp and other recreation areas on the west side of the lake, travelers will follow West Shore Drive north to Scoggins Valley Road and then continue south on Scoggins Valley Road to the park exit.

The lane closure impacts all road users - motorists, bicyclists and pedestrians. West Shore Drive across the dam will be open to two-way traffic before the Fourth of July holiday week.



Original release: 5/3/16

The southbound lane of West Shore Drive across Scoggins Dam will be closed starting May 31. The lane is expected to remain closed until 5 p.m. July 1 while Bureau of Reclamation conducts seismic testing on the dam.

Northbound one-way traffic only will be allowed across the dam during this work. Travelers will not be able to turn onto West Shore Drive from Scoggins Valley Road. West Shore Drive can be accessed by following Scoggins Valley Road around Hagg Lake.

The lane closure impacts all road users - motorists, bicyclists and pedestrians. West Shore Drive across the dam will be open to two-way traffic before the Fourth of July holiday week. 

This work was scheduled to create as little inconvenience as possible to park users and planned events. Every effort will be made to complete the work as quickly and safely as possible.

This schedule may change. Check www.wc-roads.com for current schedule information.

Background

Reclamation began drilling at Scoggins Dam in April. Drilling crews are collecting soil samples from the embankment and foundation to refine ongoing Scoggins Dam studies for seismic stability. 

Scoggins Dam, built in 1978, is part of Reclamation's Tualatin River Project. It is the central component of Washington County's water supply. 

Scoggins Valley Park/Henry Hagg Lake is maintained and operated by Washington County. The park is a popular recreation destination, hosting nearly 1 million visitors annually.

Related: U.S. Bureau of Reclamation media release

Washington County is committed to planning, building and maintaining a great transportation system, ensuring the safety of all roadway users, and operating the County roadway system in a cost-effective and environmentally responsible manner.

Media Contact:

Melissa De Lyser, Communications Coordinator
503-846-6963
[email protected]
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