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Mercer Corridor Project
Weekly Construction Preview

mercer_logo_200This week, crews will continue sidewalk work on the south side of Mercer Street between Queen Anne Avenue North and Third Avenue North. Construction activities will also continue on the north side of Mercer Street between Fourth Avenue North and Dexter Avenue North and the east side of SR 99 between Valley and Harrison streets.

Activities this week include:

  • Begin installation of an underground storm water detention system on Mercer Street between Fourth and Fifth avenues
  • Continue sidewalk work and conduit installation on the south side of Mercer Street between Queen Anne Avenue North and Third Avenue North and on the north side of Mercer Street between Queen Anne Avenue North and Fourth Avenue North.
  • Continue landscaping installation on Westlake Avenue North and Valley Street.
  • Continue sidewalk improvements on Roy Street at Fifth Avenue North.
  • Continue installing concrete panels on the north retaining wall on Mercer Street between Fifth Avenue North and Dexter Avenue North.
  • Continue installing utilities on the south side of Mercer Street between Fifth Avenue North and Aurora Avenue North.
  • Continue work on the north and south ends of the east side of the SR 99 bridge.

Please note, nighttime lane restrictions on eastbound Mercer Street will be in effect from 9 p.m. to 5 a.m. weekday evenings, Dec. 9-13 and Dec. 16-19.

  • Eastbound traffic on Mercer Street will be required to turn right on Fifth Avenue North and re-connect to eastbound Mercer Street via Harrison and eastbound Broad streets.
  • Northbound and southbound Fifth Avenue North will remain open to traffic.
  • Mercer Street east of Fifth Avenue North will remain open to traffic during the first week (Dec. 9-13), but will be closed between Fifth Avenue North and Dexter Avenue North during the second week (Dec. 16-19) between 9 p.m. to 5 a.m.

As a reminder, this weekend, SR 99 and eastbound Mercer Street will be fully closed to traffic beginning Friday, December 13 at 11:00 p.m. to Monday, December 13 at 5:00 a.m. as Mercer Corridor Project crews demolish the western portion of the SR 99 bridge over Mercer St. Details about the closure can be found on the Mercer Corridor Project website, http://www.seattle.gov/transportation/mercercorridor.htm.

For up-to-the-minute construction updates join our project email list at: http://www.seattle.gov/transportation/mercercorridor.htm or call the 24-hour construction hotline at 206-419-5818.