Share:

SR509 over THEA FOSS WATRWAY & D ST

Map

Coordinates:
+47.24333, -122.43378
47°14'36" N, 122°26'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR509 over THEA FOSS WATRWAY & D ST
Structure number:0014507A0000000
Location:0.1 N JCT I-705
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:350.1 ft. [106.7 m]
Total length:992.2 ft. [302.4 m]
Roadway width between curbs:71.9 ft. [21.9 m]
Deck width edge-to-edge:94.8 ft. [28.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1996
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:2
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stayed girder [14]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:37,062 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Better than present minimum criteria [7]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:88.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$29,363,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactorySatisfactoryGood3706288.5
September 2015FairSatisfactorySatisfactoryGood3489788.5
September 2013FairSatisfactorySatisfactoryGood3489791.7
September 2011FairSatisfactorySatisfactoryVery Good3201392.0
September 2009FairSatisfactorySatisfactoryVery Good3558491.7
November 2007FairSatisfactorySatisfactoryVery Good3547891.7
October 2005FairSatisfactorySatisfactoryVery Good2400092.8
November 2003FairSatisfactorySatisfactoryVery Good1700093.4
November 2002FairSatisfactorySatisfactoryVery Good1700093.4
October 2001FairSatisfactorySatisfactoryVery Good1700093.4
April 2000FairSatisfactorySatisfactoryVery Good1700093.4
December 1999GoodGoodGoodVery Good1700091.4
June 1998GoodGoodGoodVery Good1700091.4
November 1997GoodGoodGoodVery Good1700091.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.3102780320
Prestressed Concrete Girder/Beamlinear ft.1,3381,3080300
Deck
Reinforced Concrete Decksq. ft.97,67197,670001
Superstructure
Steel Main Cablelinear ft.4444000
Prestressed Concrete Floor Beamlinear ft.3,7203,720000
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Pileeach44000
Joints
Strip Seal Jointlinear ft.186018600
Assembly with Sealeach111011100
Bearings
Movable Bearingeach22000
Enclosed/Concealed Bearingeach22000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,2612,259020