SR 99 over N 46TH ST


+47.66206, -122.34736
47°39'43" N, 122°20'50" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR 99 over N 46TH ST
Structure number:0001669A0000000
Location:9.0 N JCT SR 509
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:51.8 ft. [15.8 m]
Total length:91.9 ft. [28.0 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:96.5 ft. [29.4 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1933
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:48,494 [as of 2012]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:42.6 tons [38.7 metric tons]
Inventory rating:24.8 tons [22.5 metric tons]
Sufficiency rating:69.7

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201669.7FairGoodSatisfactorySatisfactoryFO48494
March 201469.7FairGoodSatisfactorySatisfactoryFO48494
March 201269.6FairGoodSatisfactorySatisfactoryFO49294
May 201066.8FairGoodSatisfactorySatisfactoryFO54204
June 200869.0FairGoodSatisfactoryGoodFO54042
June 200670.1FairGoodSatisfactoryGoodFO45250
April 200470.1FairGoodSatisfactoryGoodFO45250
June 200270.1FairGoodSatisfactoryGoodFO45250
February 200070.2FairSatisfactorySatisfactoryGoodFO45250
May 199660.1FairSatisfactorySatisfactoryGoodFO45250
December 199460.1FairSatisfactorySatisfactoryGoodFO45250
April 199248.4FairSatisfactorySatisfactoryGoodFO45250