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 

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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:69.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201669.7Functionally obsoleteGoodSatisfactorySatisfactory48494
March 201469.7Functionally obsoleteGoodSatisfactorySatisfactory48494
March 201269.6Functionally obsoleteGoodSatisfactorySatisfactory49294
May 201066.8Functionally obsoleteGoodSatisfactorySatisfactory54204
June 200869.0Functionally obsoleteGoodSatisfactoryGood54042
June 200670.1Functionally obsoleteGoodSatisfactoryGood45250
April 200470.1Functionally obsoleteGoodSatisfactoryGood45250
June 200270.1Functionally obsoleteGoodSatisfactoryGood45250
February 200070.2Functionally obsoleteSatisfactorySatisfactoryGood45250
May 199660.1Functionally obsoleteSatisfactorySatisfactoryGood45250
December 199460.1Functionally obsoleteSatisfactorySatisfactoryGood45250
April 199248.4Functionally obsoleteSatisfactorySatisfactoryGood45250