I-5 over N-W RAMP


+47.55167, -122.31708
47°33'06" N, 122°19'01" 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:46.9 ft. [14.3 m]
Roadway width between curbs:76.8 ft. [23.4 m]
Deck width edge-to-edge:84.6 ft. [25.8 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 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:97,695 [as of 2016]
Truck traffic:7% 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]
Sufficiency rating:77.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$15,196,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairSatisfactoryGoodSatisfactory9769577.7
August 2016FairSatisfactoryGoodSatisfactory9098977.6
December 2014FairSatisfactoryGoodSatisfactory9098977.6
December 2012FairSatisfactoryGoodSatisfactory9361377.6
December 2010FairSatisfactorySatisfactorySatisfactory9545777.6
December 2008FairSatisfactorySatisfactorySatisfactory9545777.6
September 2006FairSatisfactorySatisfactorySatisfactory21200077.6
December 2004FairSatisfactorySatisfactorySatisfactory21200077.6
November 2002FairSatisfactorySatisfactorySatisfactory21200077.6
October 2000FairSatisfactorySatisfactorySatisfactory7765082.6
July 1998FairSatisfactorySatisfactorySatisfactory7765082.6
June 1997FairSatisfactorySatisfactorySatisfactory7765077.6
November 1995FairSatisfactorySatisfactorySatisfactory7765067.2
June 1993FairSatisfactorySatisfactorySatisfactory7765076.0
April 1991FairSatisfactorySatisfactorySatisfactory7567576.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.469462070
Reinforced Concrete Decksq. ft.38,45838,4312502
Wearing Surfacessq. ft.38,458038,431252
Reinforced Concrete Columneach1513020
Reinforced Concrete Abutmentlinear ft.166166000
Strip Seal Jointlinear ft.282002820
Pourable Jointlinear ft.3203200
Open Jointlinear ft.188001880
Movable Bearingeach2222000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.938935030