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HAWTHORNE AVE over WILLAMETTE RIVER

Map

Coordinates:
+45.51321, -122.67095
45°30'48" N, 122°40'15" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HAWTHORNE AVE over WILLAMETTE RIVER
Structure number:02757 000000000
Location:WILLAMETTE RIVER MP 13.2
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:251.0 ft. [76.5 m]
Total length:1382.9 ft. [421.5 m]
Roadway width between curbs:43.6 ft. [13.3 m]
Deck width edge-to-edge:73.2 ft. [22.3 m]
Vertical clearance above deck:15.7 ft. [4.8 m]
Vertical clearance below bridge:109.9 ft. [33.5 m]
Owner:County Highway Agency [02]
Year built:1910
Year reconstructed:1997
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Main span material:Steel [3]
Main span design:Movable - Lift [15]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: June 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:25,610 [as of 2010]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 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]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:57.9 tons [52.6 metric tons]
Inventory rating:35.0 tons [31.8 metric tons]
Sufficiency rating:56.3
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$7,086,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201556.3FairSatisfactoryFairFairFO25610
June 201356.3FairGoodSatisfactoryFairFO25610
June 201156.3FairGoodSatisfactoryFairFO25610
July 200968.2FairGoodGoodSatisfactoryFO25610
March 200968.2GoodGoodGoodGoodFO25866
July 200668.3GoodGoodGoodGoodFO24864
October 200468.2GoodVery GoodGoodGoodFO24864
August 200268.3GoodVery GoodGoodGoodFO24140
July 200068.5GoodVery GoodGoodGoodFO23437
July 199870.4GoodVery GoodGoodGoodFO12882
August 199651.2PoorPoorSatisfactoryGoodSD12882
August 199454.2FairSatisfactoryVery GoodGoodFO12882
May 199355.0FairGoodSatisfactoryGoodFO15000
July 199052.3FairGoodSatisfactoryGoodFO25700

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Stringerlinear ft.20,73020,285415300
Steel Protective Coatingsq. ft.110,179104,6705,50900
Reinforced Concrete Stringerlinear ft.6,7866,10668000
Other Material Stringerlinear ft.1,3851,385000
Steel Trusslinear ft.2,7702,1902902900
Steel Protective Coatingsq. ft.83,10064,00016,6002,5000
Steel Floor Beamlinear ft.4,8183,468301,3200
Steel Protective Coatingsq. ft.67,45060,7503,3503,3500
Deck
Reinforced Concrete Top Flangesq. ft.24,31623,0511,26500
Superstructure
Steel Gusset Plateeach24414201020
Steel Protective Coatingsq. ft.4,8804,3802502500
Substructure
Reinforced Concrete Columneach140860
Reinforced Concrete Pile Cap/Footinglinear ft.225022500
Deck
Open Grid Decksq. ft.59,42658,82660000
Steel Protective Coatingsq. ft.59,42658,82660000
Joints
Open Jointlinear ft.512512000
Bearings
Movable Bearingeach1401400
Steel Protective Coatingsq. ft.2802522800
Fixed Bearingeach1001000
Steel Protective Coatingsq. ft.2001802000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5,5325,00253000
Steel Protective Coatingsq. ft.16,60015,930585850
Deck
Other Material Decksq. ft.4,8504,850000