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W-N RAMP over TERRAIN

Map

Coordinates:
+47.57326, -122.31856
47°34'24" N, 122°19'07" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:W-N RAMP over TERRAIN
Structure number:0007741I0000000
Location:5.5 N JCT SR 900
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:42.0 ft. [12.8 m]
Total length:405.9 ft. [123.7 m]
Roadway width between curbs:21.0 ft. [6.4 m]
Deck width edge-to-edge:25.6 ft. [7.8 m]
Owner:State Highway Agency [01]
Year built:1967
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:10
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2014

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:5,951 [as of 2012]
Truck traffic:5% of total traffic
Deck condition:Good [7 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]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:75.2 tons [68.4 metric tons]
Inventory rating:45.5 tons [41.4 metric tons]
Sufficiency rating:91.2

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201491.2GoodGoodGoodGood-5951
September 201091.3GoodGoodGoodGood-5629
October 200691.3GoodGoodGoodGood-5629
December 200492.0GoodGoodGoodGood-6718
October 200291.0GoodGoodGoodGood-6718
December 200091.8GoodGoodGoodGood-4000
October 199892.8FairSatisfactorySatisfactoryGood-4000
August 199692.8FairSatisfactorySatisfactoryGood-4000
December 199492.7FairSatisfactorySatisfactoryGood-4000
April 199292.7FairSatisfactorySatisfactoryGood-3900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Deck
Reinforced Concrete Top Flangesq. ft.8,5268,526000
Substructure
Reinforced Concrete Columneach99000
Reinforced Concrete Abutmentlinear ft.5151000
Reinforced Concrete Pier Caplinear ft.198198000
Joints
Open Jointlinear ft.4204200
Assembly without Seal Jointlinear ft.2100021
Bearings
Movable Bearingeach66000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.812812000
Reinforced Concrete Bridge Raillinear ft.812811010
Deck
Reinforced Concrete Slabsq. ft.8,5268,525010