10TH AVE over SR 520


+47.64209, -122.32005
47°38'32" N, 122°19'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:10TH AVE over SR 520
Structure number:0006861B0000000
Location:0.1 E JCT I-5
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:117.1 ft. [35.7 m]
Total length:285.1 ft. [86.9 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:61.7 ft. [18.8 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:
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 18 / HS 20 [5]
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:Epoxy Overlay [5]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:13,800 [as of 2012]
Truck traffic:3% 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]
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:78.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,244,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodGoodGood1380078.3
August 2015GoodGoodGoodGood1380075.3
August 2013GoodGoodGoodGood1380072.2
September 2011GoodGoodGoodGood2415070.9
August 2009GoodGoodGoodGood2415073.0
May 2007FairGoodSatisfactoryGood2100073.4
August 2005FairGoodSatisfactoryGood2100073.4
August 2003FairGoodSatisfactoryGood2100073.4
December 2001GoodGoodGoodGood2100073.4
June 1999FairSatisfactorySatisfactoryGood2100071.3
July 1997FairSatisfactorySatisfactoryGood2100071.3
December 1995FairSatisfactorySatisfactoryGood2100066.5
May 1993FairSatisfactorySatisfactoryGood328075.7
October 1991PoorPoorPoorGood328047.4