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


+47.67982, -122.32018
47°40'47" N, 122°19'13" 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:14.8 ft. [4.5 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]
Operating rating:64.9 tons [59.0 metric tons]
Inventory rating:38.0 tons [34.5 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201796.3FairSatisfactoryGoodGood-4939
May 201596.3FairSatisfactoryGoodGood-4939
May 201396.3FairSatisfactoryGoodGood-5070
May 201194.2FairSatisfactoryGoodGoodFO5070
June 200994.3FairSatisfactorySatisfactoryGoodFO4910
June 200791.1FairSatisfactorySatisfactoryGoodFO5887
September 200591.1FairSatisfactorySatisfactoryGoodFO5887
November 200391.1FairSatisfactorySatisfactoryGoodFO5887
December 200193.1FairSatisfactorySatisfactoryGood-5887
June 199991.2FairSatisfactorySatisfactoryGoodFO5106
June 199791.2FairSatisfactorySatisfactoryGoodFO5106
June 199587.1FairSatisfactorySatisfactoryGoodFO5106
June 199391.4FairSatisfactorySatisfactoryGoodFO3460
March 199191.4FairSatisfactorySatisfactoryGoodFO3460

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Closed Web/Box Girderlinear ft.182182000
Reinforced Concrete Decksq. ft.3,8223,821001
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.6060000
Pourable Jointlinear ft.44022022
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.728728000
Reinforced Concrete Bridge Raillinear ft.364364000