NE 50TH ST over I-5


+47.66497, -122.32178
47°39'54" N, 122°19'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NE 50TH ST over I-5
Structure number:0006111B0000000
Location:1.6 N JCT SR 520
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:101.1 ft. [30.8 m]
Total length:241.2 ft. [73.5 m]
Roadway width between curbs:61.0 ft. [18.6 m]
Deck width edge-to-edge:80.1 ft. [24.4 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1962
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
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:22,785 [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:Basically intolerable requiring high priority of corrrective action [3]
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]
Operating rating:63.8 tons [58.0 metric tons]
Inventory rating:38.0 tons [34.5 metric tons]
Sufficiency rating:88.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,073,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201788.5FairGoodSatisfactoryGoodFO22785
May 201588.5FairGoodSatisfactoryGoodFO22785
May 201388.3FairGoodSatisfactoryGoodFO23554
May 201188.3FairGoodSatisfactoryGoodFO23554
June 200986.7FairGoodSatisfactoryGoodFO14529
June 200785.3FairGoodSatisfactoryGoodFO23560
September 200585.3FairGoodSatisfactoryGoodFO23560
December 200372.5FairFairSatisfactoryGoodFO23560
December 200159.5PoorPoorFairGoodSD23560
June 199944.4PoorPoorPoorGoodSD23000
June 199744.4PoorPoorPoorGoodSD23000
June 199531.8PoorPoorPoorGoodSD23000
June 199380.9FairGoodSatisfactoryGoodFO2985
March 199152.5PoorPoorPoorGoodSD2985

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.2412110300
Reinforced Concrete Decksq. ft.14,70114,692900
Reinforced Concrete Pier Walllinear ft.148148000
Reinforced Concrete Abutmentlinear ft.160160000
Open Jointlinear ft.122012020
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.482482000