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NW ALEXANDRA AVE over B-14 OVER CANYON

Map

Coordinates:
+45.54073, -122.72300
45°32'27" N, 122°43'23" 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 Precast Panels [2]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: September 2018

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]
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairSatisfactorySatisfactorySatisfactory10947.5
September 2016FairSatisfactorySatisfactorySatisfactory10947.5
September 2015FairSatisfactorySatisfactorySatisfactory10947.5
September 2013FairSatisfactorySatisfactorySatisfactory10951.6
September 2011FairSatisfactorySatisfactorySatisfactory10951.6
June 2009FairSatisfactorySatisfactorySatisfactory10951.6
March 2009FairSatisfactorySatisfactorySatisfactory10951.6
September 2006FairSatisfactorySatisfactorySatisfactory10551.7
September 2004FairGoodSatisfactoryGood10551.5
September 2002FairVery GoodSatisfactoryVery Good10251.5
August 2000FairVery GoodSatisfactoryVery Good10051.6
October 1998FairVery GoodSatisfactoryVery Good10048.6
November 1996FairVery GoodSatisfactoryVery Good10048.6
December 1994FairVery GoodSatisfactoryVery Good10049.1
January 1993FairGoodSatisfactoryGood10046.4
February 1991FairGoodSatisfactoryGood10042.2

Element Data

Source: National Bridge Elements dataset, 2019 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.45172800
Other Jointlinear ft.3200320
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