I-5 over N-W RAMP


+47.55257, -122.31774
47°33'09" N, 122°19'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-5 over N-W RAMP
Structure number:0007734A0000000
Location:3.9 N JCT SR 900
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:107.0 ft. [32.6 m]
Total length:469.2 ft. [143.0 m]
Roadway width between curbs:76.8 ft. [23.4 m]
Deck width edge-to-edge:84.6 ft. [25.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:35°
Owner:State Highway Agency [01]
Year built:1966
Year reconstructed:1995
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:6
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:90,989 [as of 2012]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:55.4 tons [50.4 metric tons]
Inventory rating:32.7 tons [29.7 metric tons]
Sufficiency rating:77.6

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201677.6FairSatisfactoryGoodSatisfactory-90989
December 201477.6FairSatisfactoryGoodSatisfactory-90989
December 201277.6FairSatisfactoryGoodSatisfactory-93613
December 201077.6FairSatisfactorySatisfactorySatisfactory-95457
December 200877.6FairSatisfactorySatisfactorySatisfactory-95457
September 200677.6FairSatisfactorySatisfactorySatisfactory-212000
December 200477.6FairSatisfactorySatisfactorySatisfactory-212000
November 200277.6FairSatisfactorySatisfactorySatisfactory-212000
October 200082.6FairSatisfactorySatisfactorySatisfactory-77650
July 199882.6FairSatisfactorySatisfactorySatisfactory-77650
June 199777.6FairSatisfactorySatisfactorySatisfactory-77650
November 199567.2FairSatisfactorySatisfactorySatisfactory-77650
June 199376.0FairSatisfactorySatisfactorySatisfactory-77650
April 199176.0FairSatisfactorySatisfactorySatisfactory-75675