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SR 529 over SNOHOMISH RIVER

Map

Coordinates:
+48.01215, -122.18942
48°00'44" N, 122°11'22" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 529 over SNOHOMISH RIVER
Structure number:0000965A0000000
Location:5.0 N JCT I-5
Purpose:Carries highway and pedestrian walkway over highway, waterway, and railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:180.1 ft. [54.9 m]
Total length:2680.2 ft. [816.9 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:24.9 ft. [7.6 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Vertical clearance below bridge:72.2 ft. [22.0 m]
Owner:State Highway Agency [01]
Year built:1927
Year reconstructed:1994
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Movable - Lift [15]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:16,817 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances 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:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:33.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$34,304,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018PoorGoodPoorFair1681733.8
July 2016PoorGoodPoorFair1552733.8
July 2014PoorGoodPoorFair1552733.8
July 2012PoorGoodPoorFair1578333.7
July 2010PoorGoodPoorFair1646233.5
July 2008FairGoodFairFair1646246.7
July 2006FairGoodFairFair1104152.9
September 2004FairGoodFairFair1104152.9
November 2003FairGoodFairFair1104152.9
December 2002FairGoodFairFair1104152.9
September 2001FairGoodFairFair1104145.1
November 2000FairGoodSatisfactoryFair1104145.1
May 1999FairGoodSatisfactorySatisfactory1104150.7
February 1996FairSatisfactorySatisfactorySatisfactory1104151.1
December 1994FairSatisfactorySatisfactorySatisfactory1104151.1
December 1993FairSatisfactoryFairFair1280045.3
December 1992FairSatisfactoryFairFair1280045.3
August 1991PoorPoorFairFair990042.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.2,2262,1910350
Steel Stringerlinear ft.17,23717,237000
Steel Protective Coatingsq. ft.73,39669,25202,0712,073
Deck
Reinforced Concrete Decksq. ft.64,32064,24959012
Wearing Surfacessq. ft.26,712026,71002
Superstructure
Steel Trusslinear ft.3,053003,0530
Steel Protective Coatingsq. ft.129,998122,65903,6693,670
Steel Floor Beamlinear ft.2,1502,150000
Steel Protective Coatingsq. ft.9,1548,6370258259
Reinforced Concrete Floor Beamlinear ft.4,4264,3770490
Steel Gusset Plateeach3122840280
Substructure
Reinforced Concrete Columneach4641230
Reinforced Concrete Abutmentlinear ft.50400100
Reinforced Concrete Pile Cap/Footinglinear ft.44000
Reinforced Concrete Pileeach1414000
Reinforced Concrete Pier Caplinear ft.1,8001,70025750
Joints
Strip Seal Jointlinear ft.216021600
Pourable Jointlinear ft.240024000
Compression Jointlinear ft.2640216480
Open Jointlinear ft.264026400
Bearings
Elastomeric Bearingeach168080
Movable Bearingeach3030000
Fixed Bearingeach168080
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5,3605,3120480