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I-5 (HWY 001) NB over SURFACE STREETS

Map 

Coordinates:
+45.50496, -122.67365
45°30'18" N, 122°40'25" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-5 (HWY 001) NB over SURFACE STREETS
Structure number:08591D001 30012
Location:WEST MARQUAM INTERCHANGE
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:178.2 ft. [54.3 m]
Total length:1748.4 ft. [532.9 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Vertical clearance below bridge:21.0 ft. [6.4 m]
Owner:State Highway Agency [01]
Year built:1966
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:9
Main spans material:Steel [3]
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: July 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:88,500 [as of 2014]
Truck traffic:9% 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:Meets minimum tolerable limits to be left in place as is [4]
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:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:79.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$10,025,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201579.0FairSatisfactorySatisfactorySatisfactoryFO88500
July 201374.0FairSatisfactorySatisfactorySatisfactoryFO71407
June 201074.0FairGoodSatisfactorySatisfactoryFO71407
January 201074.0FairGoodSatisfactorySatisfactoryFO71407
January 200874.0FairGoodSatisfactorySatisfactoryFO70700
January 200674.0FairSatisfactoryGoodSatisfactoryFO67800
January 200463.0FairSatisfactoryGoodFairFO45928
January 200274.0FairSatisfactoryGoodGoodFO44590
January 200074.0GoodGoodGoodGoodFO42820
January 199874.0GoodGoodGoodGoodFO60900
January 199674.0GoodGoodGoodGoodFO25500
January 199474.0GoodGoodGoodGoodFO25500
January 199274.0GoodGoodGoodGoodFO25500