SR 523 / NE 145TH over I-5


+47.73409, -122.32539
47°44'03" N, 122°19'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 523 / NE 145TH over I-5
Structure number:0007270E0000000
Location:1.0 E JCT SR 99
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:75.1 ft. [22.9 m]
Total length:249.0 ft. [75.9 m]
Roadway width between curbs:58.1 ft. [17.7 m]
Deck width edge-to-edge:71.9 ft. [21.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1964
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:4
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:29,529 [as of 2016]
Truck traffic:3% 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 replacement [2]
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:68.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,175,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodSatisfactoryGood2952968.3
September 2015FairGoodSatisfactoryGood2824868.6
September 2013FairSatisfactorySatisfactoryGood2824868.6
September 2011FairSatisfactorySatisfactoryGood2978468.3
October 2009FairSatisfactorySatisfactoryGood2801868.6
November 2007FairSatisfactorySatisfactoryGood2878868.5
November 2005FairSatisfactorySatisfactoryGood4417565.5
December 2003FairSatisfactorySatisfactoryGood4417565.5
December 2001FairSatisfactorySatisfactoryGood4417565.5
June 1999FairSatisfactorySatisfactoryGood4417565.5
October 1997FairSatisfactorySatisfactoryGood4417568.9
August 1995FairSatisfactorySatisfactoryGood4417564.9
May 1993FairSatisfactorySatisfactoryGood1715074.7
July 1991FairSatisfactorySatisfactoryGood1715073.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.249248010
Reinforced Concrete Decksq. ft.14,42014,418002
Wearing Surfacessq. ft.14,420014,42000
Reinforced Concrete Columneach2525000
Reinforced Concrete Abutmentlinear ft.149149000
Pourable Jointlinear ft.116000116
Compression Jointlinear ft.5800058
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.498495030