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15TH AVE W over SHIP CANAL

Map

Coordinates:
+47.66082, -122.37633
47°39'39" N, 122°22'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:15TH AVE W over SHIP CANAL
Structure number:085179000000000
Location:4300 15th Ave W
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:217.9 ft. [66.4 m]
Total length:295.0 ft. [89.9 m]
Roadway width between curbs:40.4 ft. [12.3 m]
Deck width edge-to-edge:52.5 ft. [16.0 m]
Vertical clearance below bridge:45.9 ft. [14.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1917
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:53,679 [as of 2015]
Truck traffic:10% 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]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:43.9 tons [39.9 metric tons]
Inventory rating:26.0 tons [23.6 metric tons]
Sufficiency rating:51.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$11,700,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201751.5FairSatisfactorySatisfactorySatisfactoryFO53679
April 201551.2FairSatisfactoryGoodGoodFO53679
April 201351.2GoodGoodGoodGoodFO53679
April 201251.2GoodGoodGoodGoodFO53679
July 201151.2GoodGoodGoodGoodFO53679
April 201051.2GoodGoodGoodGoodFO53679
April 200851.2GoodGoodGoodGoodFO62300
November 200651.2GoodGoodGoodGoodFO62300
November 200549.2GoodGoodGoodGoodFO62300
July 200249.2GoodGoodGoodGoodFO57300
September 200049.2GoodGoodGoodGoodFO52100
September 199949.2GoodGoodGoodGoodFO52100
June 199749.2GoodGoodVery GoodGoodFO55400
February 199547.9GoodGoodVery GoodGoodFO55400
December 199347.9GoodGoodVery GoodGoodFO55400
September 199247.9GoodGoodVery GoodGoodFO53600
October 199147.9GoodGoodVery GoodGoodFO53600

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,5001,35001500
Steel Protective Coatingsq. ft.7,2206,955240025
Steel Stringerlinear ft.4,2894,289000
Steel Protective Coatingsq. ft.20,64519,888688069
Deck
Reinforced Concrete Decksq. ft.4,0004,000000
Superstructure
Steel Trusslinear ft.576576000
Steel Protective Coatingsq. ft.27,72526,709924092
Steel Floor Beamlinear ft.616616000
Steel Protective Coatingsq. ft.2,9652,85698011
Steel Gusset Plateeach160160000
Substructure
Steel Columneach300300000
Steel Protective Coatingsq. ft.1,4441,3914805
Reinforced Concrete Pier Walllinear ft.130130000
Reinforced Concrete Pile Cap/Footinglinear ft.44000
Timber Pileeach2020000
Deck
Open Grid Decksq. ft.7,8927,892000
Joints
Open Jointlinear ft.120012000
Bearings
Movable Bearingeach88000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5825320500