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Tacoma/Pierce County HOV Program - Projects and Descriptions

Projects now under construction:

4. I-5: Portland Avenue to Port of Tacoma Road - Northbound HOV

  • Design scheduled to be complete in summer 2012
  • Construction began Feb. 2015
  • Realigns and builds new northbound I-5 bridge over Puyallup River to improve traffic flow
  • Begins construction of a future I-5/SR 167 interchange
  • Improves the I-5/Portland Avenue interchange
  • Builds northbound I-5 HOV lanes
  • Rehabilitates mainline I-5 pavement
  • makes safety and operational improvements on I-5
  • Stage 1 work made ground improvements and did preliminary work in advance of overall project.

5. I-5: M Street to Portland Avenue - HOV

  • Design was complete in March, 2014
  • Construction began in August, 2014
  • Reconstructs the I-5/Pacific Avenue and I-5/McKinley Avenue underpasses
  • Builds new SR 7/I-705 bridge
  • Widens northbound and southbound I-5 for HOV lanes
  • Upgrades signing, illumination and stormwater collection facilities
  • Rehabilitates mainline I-5 pavement

Future Projects:

6. I-5 - SR 16 Realignment - HOV Structure and Connections

The timeframe for design and construction is between 2016 and 2019.
Builds new HOV viaduct bridge structure for eastbound and westbound SR 16 traffic
Builds new direct-connection HOV ramps between I-5 and SR 16:
1. new southbound I-5 HOV ramp to westbound SR 16 HOV lane
2. new eastbound SR 16 HOV ramp to northbound I-5 HOV lane
3. new eastbound SR 16 HOV ramp to southbound I-5 HOV lane
4. new northbound I-5 HOV ramp to westbound SR 16 HOV lane
Rebuilds and realigns all northbound and southbound lanes of I-5 to accommodate added lanes above


7. I-5: Portland Avenue to Port of Tacoma Road - Southbound HOV

  • Realigns and builds new southbound I-5 bridge over the Puyallup River
  • Demolishes existing northbound and southbound Puyallup River Bridges
  • Builds new I-5/L Street underpass
  • Completes construction of future I-5/SR 167 interchange
  • Widens northbound and southbound I-5 for HOV lanes
  • Rehabilitates mainline I-5 pavement
  • Upgrades signing and illumination
  • Builds stormwater collection and treatment facilities

Completed Projects:

1. I-5/SR 16: Westbound Nalley Valley

Construction began in January 2009; new westbound structure opened to westbound SR 16 traffic in 2011

  • Constructed new westbound viaduct bridges over Nalley Valley
  • Built new direct connection from southbound I-5 to Sprague Avenue and westbound SR 16, eliminating much of the weaving motorists had experienced in that area
  • Built new Sprague Avenue ramp to westbound SR 16
  • Built new eastbound SR 16 exit to Sprague Avenue
  • Built new flyover ramp from northbound I-5 to westbound SR 16 and Sprague Avenue
  • Prepared for Eastbound Nalley Valley project


3. I-5/SR 16: Eastbound Nalley Valley

Construction began in late 2011. Project was completed Aug. 2014.

  • Built new eastbound SR 16 viaduct to northbound and southbound I-5
  • Built new ramp from eastbound SR 16 to southbound I-5
  • Built new ramp from eastbound SR 16 to northbound I-5
  • Built new ramp from Sprague Avenue to northbound and southbound I-5
  • Built freeway connections for future HOV connections

2. I-5: Port of Tacoma Road to King County Line - HOV - Opened to traffic in November 2010

  • Widened I-5 bridges over Wapato Creek, Hylebos Creek and West Hylebos Creek
  • Built I-5 northbound and southbound HOV lanes in the median area of I-5 between the Port of Tacoma Road interchange and the King County Line
  • Made safety and operational improvements
  • Improved stormwater collection and treatment
  • Upgraded highway illumination and signing I-5: Port of Tacoma Road to King County Line - HOV


4A. I-5: Portland Avenue to Port of Tacoma Road - Northbound HOV Stage 1  Construction complete December 2012. Composed of a subset of work within overall Portland Avenue to Port of Tacoma Road - Northbound HOV project

  • Made ground improvements to prepare for future Puyallup River Bridge piers
  • Lowered Portland Avenue under I-5 to maintain vertical clearance
  • Widened and seismically retrofitted I-5 bridges over Portland Avenue and Bay Street
  • Built retaining walls
  • Realigned northbound I-5 exit to SR 167
  • Built temporary erosion and sediment control ponds
  • Installed temporary highway lighting
  • Installed "intelligent transportation system hardware" such as highway loop sensors and traffic cameras that gather traffic information to help WSDOT monitor traffic.
  • Various storm sewer modifications.

9.  SR 16 Tacoma Narrows Bridge - Opened to traffic July 2007; Completed in 2008

  • Built new eastbound Tacoma Narrows Bridge
  • Built toll plaza and operations building, maintenance facility, new War Memorial Park
  • Improved Narrows Park
  • Built new interchange and overpass at Point Fosdick Drive, new eastbound on-ramp at 24th
  • Added capacity to eastbound and westbound SR 16 approaching bridges.
  • Built and opened eastbound and westbound SR 16 HOV lanes across bridges.
  • Funded with tolls.

10. SR 16: Pearl Street to Jackson Avenue - Completed December 2004

  • Improved and widened SR 16 for future HOV lanes

11. SR 16: Union Avenue to Jackson Avenue (pdf 78 kb) - Completed in 2007

  • Reconstructed and widened SR 16 for HOV lanes
  • Widened Snake Lake bridges
  • Constructed new bridges at Pearl and 12th Streets and 6th Avenue Built a large segment of the Highway 16 Multiuse Trail, including a tunnel under South 19th Street

12.  SR 16: Sprague Avenue Interchange to Snake Lake - Completed October 2002

  • Widened SR 16 for future HOV lanes
  • Widened the Cedar Street and Union Avenue bridges
  • Improved Union Avenue interchange ramps
  • Prepared for improvement of Nalley Valley Interchange

13.  I-5/SR 16 Interchange: Rebuild Interchange - 38th Street  - Completed December 2001

  • Constructed new pedestrian bridge
  • Modified ramps and interchange
  • Widened for future HOV lanes

14.  I-5: South 48th Street to South M Street and South M Street to Pacific Avenue (pdf 107 kb) (two projects combined) - Completed in 2008

  • Improved the lane configuration between South 48th Street and Pacific Avenue for future HOV lane construction
  • Removed existing 36th Street pedestrian bridge and Tacoma Avenue Bridge over I-5  
  • Constructed new bridge over South M Street and widened I-5 bridge over M Street
  • Prepared for reconstruction of Nalley Valley interchange
  • Replaced G Street and Yakima Bridges to accommodate future HOV lanes

Projects included in the HOV Program but not yet funded:

A.  SR 16 - Olympic Drive Interchange to Purdy - HOV Lanes

  • Would extend HOV lanes north from Olympic Drive interchange to Purdy
  • Would widen SR 16 to provide HOV lanes

B.  I-5: I-5/SR 512 Interchange to SR 16 - Core HOV 

  • Would complete the I-5 Core HOV lanes to the SR 512 interchange
  • Would complete ultimate configuration of 38th Street interchange
  • Would reconstruct 56th Street interchange and replace 48th Street bridge
  • Would replace 72nd Street and 84th Street bridges, and reconstruct 72nd Street and 84th Street interchanges

C.  SR 167: SR 512 Vicinity to 15th Street SW - HOV Lanes

  • Would improve and widen SR 167
  • Would extend SR 167 HOV lanes south to Puyallup

D.  I-5: SR 512 Interchange

  • Would improve I-5/SR 512 interchange
  • Would widen 96th Street bridges and replace Steele Street Bridge
  • Would prepare for HOV lanes on I-5 in the area