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NB I5 OFF RAMP over W-S, I5, EB W SEA FRWY

Map

Coordinates:
+47.56976, -122.31979
47°34'11" N, 122°19'11" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NB I5 OFF RAMP over W-S, I5, EB W SEA FRWY
Structure number:0007741G0000000
Location:5.4 N JCT SR 900
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:14.1 ft. [4.3 m]
Total length:1708.1 ft. [520.6 m]
Roadway width between curbs:21.0 ft. [6.4 m]
Deck width edge-to-edge:25.6 ft. [7.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 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:17
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: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:15,286 [as of 2012]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:76.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016FairGoodSatisfactoryGood1528676.1
September 2014FairGoodSatisfactoryGood1528676.1
September 2012PoorSeriousSatisfactoryGood1524875.0
December 2010PoorSeriousSatisfactoryGood1518575.0
December 2008PoorPoorSatisfactoryGood1518577.2
October 2006FairFairSatisfactoryGood1648578.9
November 2004FairFairSatisfactoryGood1648578.9
October 2002FairSatisfactorySatisfactoryGood1648581.0
May 2000FairSatisfactorySatisfactoryGood308685.5
October 1998FairSatisfactorySatisfactoryGood308685.5
April 1996FairSatisfactorySatisfactoryGood308677.2
March 1994FairSatisfactorySatisfactoryGood875074.9
April 1992FairSatisfactorySatisfactoryGood875091.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.1,7081,6921150
Deck
Reinforced Concrete Decksq. ft.36,70836,708000
Wearing Surfacessq. ft.36,708036,70800
Substructure
Reinforced Concrete Columneach1818000
Reinforced Concrete Abutmentlinear ft.5149020
Joints
Strip Seal Jointlinear ft.140014000
Pourable Jointlinear ft.5605600
Bearings
Movable Bearingeach2100210
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3,4823,482000
Reinforced Concrete Bridge Raillinear ft.3,4823,482000