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Mercer Corridor Project
Weekly Construction Wrap Up

mercer_logo_200Work continued this week on Mercer Street between Fifth Avenue North and Dexter Avenue North and the west side of SR 99 between Valley and Harrison streets. Construction continued on Mercer Street at Fifth Avenue West and lane restrictions continue on Fifth Avenue North to accommodate utility work beneath the roadway.

Activities this week included:

  •  Completed asphalt paving on West Mercer Street near Fifth Avenue West.
  • Continued utility work beneath the roadway on Fifth Avenue North between Harrison Street and Roy Street.
  • Continued installation of lateral storm water connection lines under roadway on Mercer Street between Fifth Avenue North and Dexter Avenue North.
  • Continued 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.
  • Continued installing concrete panels and began installing vine planters on the north retaining wall on Mercer Street between Fifth Avenue North and Dexter Avenue North.
  • Continued installing utilities on the south side of Mercer Street between Fifth Avenue North and Aurora Avenue North.
  • Continued work on the north and south ends of the west side of the SR 99 bridge.

 Please note:

  • Northbound Fifth Avenue North will be closed to traffic between Republican and Mercer Streets beginning at 4 a.m. Saturday, Jan. 18, through Monday, Jan. 20, at 5 a.m. Travelers heading north towards Queen Anne will be detoured to Fourth Avenue North and eastbound Mercer Street to reconnect with Fifth Avenue North at Mercer Street. People traveling to Seattle Center and Queen Anne from I-5 and downtown should use Broad, Denny and First Avenue North to avoid the closure.
  • Eastbound Mercer Street between Third Avenue North and Fifth Avenue North will be restricted to one lane during off-peak travel times beginning Monday, Jan. 20, through Friday, Jan. 31, to accommodate lateral storm water lines installation beneath the roadway.
    • On Monday, Jan. 20, eastbound Mercer Street between Third Avenue North and Fifth Avenue North will be reduced to one lane between 7 a.m. and 3 p.m. The right turn lane onto southbound Fifth Avenue North will also be restricted.
    • On Tuesday, Jan. 21 through Friday, Jan. 31, eastbound Mercer Street between Third Avenue North and Fifth Avenue North will be reduced to one lane during off-peak travel times between 9 a.m. and 3 p.m. on weekdays, Monday through Friday. The right turn lane onto southbound Fifth Avenue North will also be restricted.
    • The right turn lane from eastbound Mercer Street onto southbound Fifth Avenue North will remain closed until approximately 7 p.m. each night. However, right turns onto southbound Fifth Avenue North from the right lane of Mercer Street will be permitted during this work.
  • Beginning the evening of Tuesday, Jan. 21 and for approximately two weeks, crews will restrict Mercer Street and Dexter Avenue North to one lane in each direction to accommodate placement of a temporary signal system at the intersection of Mercer Street and Dexter Avenue North. During this work, travelers can expect the following impacts:
    • Mercer Street between Fifth Avenue North and Ninth Avenue North will be restricted to one lane between 9 p.m. and 5 a.m. Monday through Friday.
    • Dexter Avenue North between Roy Street and Republican Street will be restricted to one lane in each direction between 9 p.m. and 5 a.m. Monday through Friday.
    • Travelers heading towards I-5 from Queen Anne should utilize Fifth Avenue North to Harrison Street and eastbound Broad Street to reconnect with Mercer Street at Ninth Avenue North.

More information regarding these closures and alternate routes may be found on the 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.