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SW SPOKANE ST over DUWAMISH RIVER W WATERWY

Map 

Coordinates:
+47.57140, -122.35479
47°34'17" N, 122°21'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SW SPOKANE ST over DUWAMISH RIVER W WATERWY
Structure number:085302000000000
Location:1200 SW Spokane St
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:589.9 ft. [179.8 m]
Total length:1340.0 ft. [408.4 m]
Roadway width between curbs:100.1 ft. [30.5 m]
Deck width edge-to-edge:106.0 ft. [32.3 m]
Vertical clearance below bridge:140.1 ft. [42.7 m]
Skew angle:99°
Owner:City or Municipal Highway Agency [04]
Year built:1983
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2015 

Status:Open, no restriction [A]
Average daily traffic:160,900 [as of 2013]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:63.4 tons [57.6 metric tons]
Inventory rating:38.6 tons [35.1 metric tons]
Sufficiency rating:69.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201569.0Not deficientSatisfactoryFairGood160900
June 201369.0Not deficientVery GoodFairVery Good160900
August 201280.0Not deficientVery GoodGoodVery Good148620
May 201180.0Not deficientVery GoodGoodVery Good148620
October 200980.0Not deficientVery GoodGoodVery Good148620
August 200880.0Not deficientVery GoodGoodVery Good123500
August 200680.0Not deficientVery GoodGoodVery Good123500
July 200480.0Not deficientVery GoodGoodVery Good123500
September 200380.0Not deficientVery GoodGoodVery Good111400
November 200280.0Not deficientVery GoodGoodVery Good111400
August 199980.0Not deficientVery GoodGoodVery Good111400
October 199780.0Not deficientVery GoodGoodVery Good99700
July 199580.0Not deficientVery GoodGoodVery Good99700
October 199280.0Not deficientVery GoodGoodVery Good99700
July 199180.0Not deficientVery GoodGoodVery Good92000