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NW ALEXANDRA AVE over B-14 OVER CANYON

Map

Coordinates:
+45.54107, -122.72325
45°32'28" N, 122°43'24" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NW ALEXANDRA AVE over B-14 OVER CANYON
Structure number:25B14 000
Location:W END OF NW GORDON ST
Purpose:Carries highway and pedestrian walkway over relief for waterway
Route classification:Local (Urban) [19]
Length of largest span:149.9 ft. [45.7 m]
Total length:272.0 ft. [82.9 m]
Roadway width between curbs:16.1 ft. [4.9 m]
Deck width edge-to-edge:22.6 ft. [6.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1922
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 9 / H 10 [1]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:109 [as of 2010]
Truck traffic:1% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Scour condition:Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Operating rating:29.9 tons [27.2 metric tons]
Inventory rating:17.9 tons [16.3 metric tons]
Sufficiency rating:47.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,394,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201647.5FairSatisfactorySatisfactorySatisfactoryFO109
September 201547.5FairSatisfactorySatisfactorySatisfactoryFO109
September 201351.6FairSatisfactorySatisfactorySatisfactoryFO109
September 201151.6FairSatisfactorySatisfactorySatisfactoryFO109
June 200951.6FairSatisfactorySatisfactorySatisfactoryFO109
March 200951.6FairSatisfactorySatisfactorySatisfactoryFO109
September 200651.7FairSatisfactorySatisfactorySatisfactoryFO105
September 200451.5FairGoodSatisfactoryGoodFO105
September 200251.5FairVery GoodSatisfactoryVery GoodFO102
August 200051.6FairVery GoodSatisfactoryVery GoodFO100
October 199848.6FairVery GoodSatisfactoryVery GoodFO100
November 199648.6FairVery GoodSatisfactoryVery GoodFO100
December 199449.1FairVery GoodSatisfactoryVery GoodFO100
January 199346.4FairGoodSatisfactoryGoodFO100
February 199142.2FairGoodSatisfactoryGoodFO100

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.5400525150
Reinforced Concrete Archlinear ft.30010519500
Reinforced Concrete Floor Beamlinear ft.1,193933230300
Substructure
Reinforced Concrete Columneach1601600
Reinforced Concrete Abutmentlinear ft.109010900
Joints
Pourable Jointlinear ft.4537800
Bearings
Movable Bearingeach88000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.540054000
Steel Protective Coatingsq. ft.3,34803,34800
Deck
Reinforced Concrete Slabsq. ft.6,10006,090100
Wearing Surfacessq. ft.4,3524,352000