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I-5 over NE NORTHGATE WAY

Map

Coordinates:
+47.70862, -122.33010
47°42'31" N, 122°19'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 over NE NORTHGATE WAY
Structure number:0012197A0000000
Location:2.0 N JCT SR 522
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:80.1 ft. [24.4 m]
Total length:166.0 ft. [50.6 m]
Roadway width between curbs:71.9 ft. [21.9 m]
Deck width edge-to-edge:75.1 ft. [22.9 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:1983
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:90,757 [as of 2012]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:32.1 tons [29.2 metric tons]
Inventory rating:25.0 tons [22.7 metric tons]
Sufficiency rating:72.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$4,914,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201772.9GoodGoodGoodGood-90757
June 201586.4GoodGoodGoodGood-90757
June 201386.2GoodGoodGoodGood-93179
June 201184.0GoodGoodGoodGood-93179
June 200983.9GoodGoodGoodGood-93899
July 200783.6GoodGoodGoodGood-97000
September 200583.6GoodGoodGoodGood-97000
November 200383.6GoodGoodGoodGood-97000
December 200183.6FairSatisfactoryGoodGood-97000
June 199983.6FairFairGoodGood-86065
June 199784.7GoodGoodGoodGood-86065
July 199573.5GoodGoodGoodGood-86065
June 199381.9FairSatisfactoryGoodGood-84500
March 199181.9FairSatisfactoryGoodGood-85150

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,3242,323010
Deck
Reinforced Concrete Decksq. ft.11,95211,9410011
Wearing Surfacessq. ft.11,952011,95200
Substructure
Reinforced Concrete Columneach1414000
Reinforced Concrete Abutmentlinear ft.150150000
Reinforced Concrete Pier Caplinear ft.144144000
Joints
Pourable Jointlinear ft.288002880
Bearings
Elastomeric Bearingeach8484000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.332332000