NE 50TH ST over I-5


+47.66497, -122.32253
47°39'54" N, 122°19'21" 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:13.1 ft. [4.0 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]
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairGoodSatisfactoryGood2278588.5
May 2015FairGoodSatisfactoryGood2278588.5
May 2013FairGoodSatisfactoryGood2355488.3
May 2011FairGoodSatisfactoryGood2355488.3
June 2009FairGoodSatisfactoryGood1452986.7
June 2007FairGoodSatisfactoryGood2356085.3
September 2005FairGoodSatisfactoryGood2356085.3
December 2003FairFairSatisfactoryGood2356072.5
December 2001PoorPoorFairGood2356059.5
June 1999PoorPoorPoorGood2300044.4
June 1997PoorPoorPoorGood2300044.4
June 1995PoorPoorPoorGood2300031.8
June 1993FairGoodSatisfactoryGood298580.9
March 1991PoorPoorPoorGood298552.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.2412110300
Reinforced Concrete Decksq. ft.14,70114,701000
Reinforced Concrete Pier Walllinear ft.148148000
Reinforced Concrete Abutmentlinear ft.160160000
Open Jointlinear ft.24401221220
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.482482000