SR 99 over N 63RD ST


+47.67424, -122.34725
47°40'27" N, 122°20'50" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR 99 over N 63RD ST
Structure number:0001673A0000000
Location:9.8 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:50.9 ft. [15.5 m]
Total length:73.2 ft. [22.3 m]
Roadway width between curbs:61.0 ft. [18.6 m]
Deck width edge-to-edge:79.1 ft. [24.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1932
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:40,492 [as of 2012]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 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]
Operating rating:53.9 tons [49.0 metric tons]
Inventory rating:28.9 tons [26.3 metric tons]
Sufficiency rating:66.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,810,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201766.5FairSatisfactorySatisfactorySatisfactoryFO40492
June 201551.5FairSatisfactorySatisfactorySatisfactoryFO40492
June 201351.5FairSatisfactorySatisfactorySatisfactoryFO40492
July 201151.4FairSatisfactorySatisfactorySatisfactoryFO41161
July 200951.4FairSatisfactorySatisfactorySatisfactoryFO41271
August 200751.0FairSatisfactorySatisfactorySatisfactoryFO43392
September 200537.3FairFairFairGoodFO43392
November 200351.0FairSatisfactorySatisfactoryGoodFO43392
November 200140.1FairSatisfactorySatisfactoryGoodFO43392
November 199940.1FairSatisfactorySatisfactoryGoodFO43392
October 199744.9FairSatisfactorySatisfactoryGoodFO43392
November 199548.7FairSatisfactorySatisfactoryGoodFO43392
May 199349.6FairSatisfactorySatisfactoryGoodFO37600
April 199248.4FairSatisfactorySatisfactoryGoodFO45250