8TH AVE N TO I-5 N over I-5 N RAMP TO SR 522 E


+47.67961, -122.32008
47°40'47" N, 122°19'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:8TH AVE N TO I-5 N over I-5 N RAMP TO SR 522 E
Structure number:0006911B0000000
Location:2.2 N JCT SR 520
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:84.0 ft. [25.6 m]
Total length:182.1 ft. [55.5 m]
Roadway width between curbs:21.0 ft. [6.4 m]
Deck width edge-to-edge:26.2 ft. [8.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,939 [as of 2012]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:96.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,820,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactoryGoodGood493996.3
May 2015FairSatisfactoryGoodGood493996.3
May 2013FairSatisfactoryGoodGood507096.3
May 2011FairSatisfactoryGoodGood507094.2
June 2009FairSatisfactorySatisfactoryGood491094.3
June 2007FairSatisfactorySatisfactoryGood588791.1
September 2005FairSatisfactorySatisfactoryGood588791.1
November 2003FairSatisfactorySatisfactoryGood588791.1
December 2001FairSatisfactorySatisfactoryGood588793.1
June 1999FairSatisfactorySatisfactoryGood510691.2
June 1997FairSatisfactorySatisfactoryGood510691.2
June 1995FairSatisfactorySatisfactoryGood510687.1
June 1993FairSatisfactorySatisfactoryGood346091.4
March 1991FairSatisfactorySatisfactoryGood346091.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.182182000
Reinforced Concrete Decksq. ft.3,8223,821001
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.3232000
Pourable Jointlinear ft.44022022
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.728728000
Reinforced Concrete Bridge Raillinear ft.364364000