N-85TH RAMP over I-5


+47.69049, -122.32943
47°41'26" N, 122°19'46" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:N-85TH RAMP over I-5
Structure number:0007156D0000000
Location:0.7 N JCT SR 522
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:128.0 ft. [39.0 m]
Total length:416.0 ft. [126.8 m]
Roadway width between curbs:31.8 ft. [9.7 m]
Deck width edge-to-edge:34.8 ft. [10.6 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
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: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:13,701 [as of 2012]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 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]
Operating rating:62.8 tons [57.1 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Sufficiency rating:86.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,989,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201786.8FairSatisfactoryGoodGoodFO13701
May 201586.8FairSatisfactoryGoodGoodFO13701
May 201386.8FairSatisfactoryGoodGoodFO14067
May 201186.8FairSatisfactoryGoodGoodFO14067
June 200986.7FairSatisfactorySatisfactoryGoodFO14343
June 200786.3FairSatisfactorySatisfactoryGoodFO10921
September 200586.3FairSatisfactorySatisfactoryGoodFO10921
November 200386.3FairSatisfactorySatisfactoryGoodFO10921
December 200187.3FairSatisfactoryGoodGoodFO10921
June 199987.0FairSatisfactoryGoodGoodFO12345
June 199788.0GoodGoodGoodGoodFO12345
July 199581.1GoodGoodGoodGoodFO12345
June 199388.7GoodGoodGoodGood-7480
March 199176.5FairSatisfactorySatisfactoryGoodFO7480