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SW SPOKANE ST over W WATERWAY OF DUWAMISH

Map

Coordinates:
+47.57139, -122.35361
47°34'17" N, 122°21'13" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SW SPOKANE ST over W WATERWAY OF DUWAMISH
Structure number:085944000000000
Location:1200 SW Spokane St
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:440.0 ft. [134.1 m]
Total length:836.0 ft. [254.8 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:50.9 ft. [15.5 m]
Vertical clearance below bridge:551.2 ft. [168.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1991
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Movable - Swing [17]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:10,300 [as of 2014]
Truck traffic:30% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:92.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017GoodVery GoodGoodGood1030092.0
April 2015GoodVery GoodGoodGood849992.2
April 2013GoodVery GoodGoodGood849992.2
April 2011GoodVery GoodVery GoodVery Good849990.2
June 2010GoodVery GoodVery GoodVery Good1610089.5
August 2008GoodVery GoodVery GoodVery Good1610089.5
September 2007GoodVery GoodVery GoodVery Good1610089.5
October 2006GoodVery GoodVery GoodVery Good1610089.5
July 2005GoodVery GoodVery GoodVery Good1500089.6
May 2003GoodVery GoodVery GoodVery Good1500089.6
September 2002GoodVery GoodVery GoodVery Good1500089.6
May 2000GoodVery GoodVery GoodVery Good803390.2
July 1999GoodVery GoodVery GoodVery Good803390.2
October 1998GoodVery GoodVery GoodVery Good803390.2
July 1997GoodVery GoodVery GoodVery Good803390.2
July 1995GoodVery GoodVery GoodVery Good803390.4
September 1992GoodVery GoodVery GoodVery Good803390.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.827827000
Deck
Reinforced Concrete Decksq. ft.28,11828,118000
Substructure
Reinforced Concrete Columneach22000
Joints
Compression Jointlinear ft.200020000
Open Jointlinear ft.5005000
Bearings
Elastomeric Bearingeach3232000
Fixed Bearingeach3232000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,6541,654000