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

Map

Coordinates:
+47.67982, -122.32018
47°40'47" N, 122°19'13" W

Facts

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
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.182182000
Deck
Reinforced Concrete Decksq. ft.3,8223,821001
Substructure
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.6060000
Joints
Pourable Jointlinear ft.44022022
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.728728000
Reinforced Concrete Bridge Raillinear ft.364364000