Share:

SW SPOKANE ST over W WATERWAY OF DUWAMISH

Map

Coordinates:
+47.57148, -122.34617
47°34'17" N, 122°20'46" 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:55.1 ft. [16.8 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]
Operating rating:85.8 tons [78.0 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:92.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201792.0GoodVery GoodGoodGood-10300
April 201592.2GoodVery GoodGoodGood-8499
April 201392.2GoodVery GoodGoodGood-8499
April 201190.2GoodVery GoodVery GoodVery Good-8499
June 201089.5GoodVery GoodVery GoodVery Good-16100
August 200889.5GoodVery GoodVery GoodVery Good-16100
September 200789.5GoodVery GoodVery GoodVery Good-16100
October 200689.5GoodVery GoodVery GoodVery Good-16100
July 200589.6GoodVery GoodVery GoodVery Good-15000
May 200389.6GoodVery GoodVery GoodVery Good-15000
September 200289.6GoodVery GoodVery GoodVery Good-15000
May 200090.2GoodVery GoodVery GoodVery Good-8033
July 199990.2GoodVery GoodVery GoodVery Good-8033
October 199890.2GoodVery GoodVery GoodVery Good-8033
July 199790.2GoodVery GoodVery GoodVery Good-8033
July 199590.4GoodVery GoodVery GoodVery Good-8033
September 199290.4GoodVery GoodVery GoodVery Good-8033

Element Data

Source: National Bridge Elements dataset, 2016 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