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US 97 over COLUMBIA RIVER

Map

Coordinates:
+47.81291, -119.97194
47°48'46" N, 119°58'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 97 over COLUMBIA RIVER
Structure number:0006835A0000000
Location:21.8 N JCT US 2
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:520.0 ft. [158.5 m]
Total length:1227.1 ft. [374.0 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Vertical clearance below bridge:29.5 ft. [9.0 m]
Owner:State Highway Agency [01]
Year built:1962
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Arch - Thru [12]
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:Poor
Status:Open, no restriction [A]
Average daily traffic:4,916 [as of 2012]
Truck traffic:22% of total traffic
Deck condition:Poor [4 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:Basically intolerable requiring high priority of corrrective action [3]
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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:43.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$16,687,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017PoorPoorSatisfactoryGood491643.6
September 2015PoorPoorSatisfactoryGood491643.3
September 2013FairFairSatisfactoryGood491645.3
September 2011FairFairSatisfactoryFair498744.5
September 2009FairSatisfactorySatisfactoryFair449745.5
August 2007FairSatisfactorySatisfactoryFair214745.5
August 2005FairGoodSatisfactoryFair214745.5
October 2003FairGoodSatisfactoryFair214745.5
September 2001FairSatisfactorySatisfactoryFair214745.5
September 1999FairSatisfactorySatisfactoryFair214746.5
September 1997FairSatisfactorySatisfactoryFair214746.5
October 1995FairSatisfactorySatisfactoryGood214753.4
September 1993GoodGoodGoodGood410053.4
September 1991FairSatisfactoryGoodGood122063.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.180180000
Steel Stringerlinear ft.4,1884,184400
Steel Protective Coatingsq. ft.22,2386,67102,22313,344
Deck
Reinforced Concrete Decksq. ft.31,90230,6841,207011
Superstructure
Steel Trusslinear ft.1,040688642880
Steel Protective Coatingsq. ft.55,22416,56705,52233,135
Steel Archlinear ft.2,0941,96601280
Steel Protective Coatingsq. ft.111,19133,357011,11966,715
Steel Secondary Cableeach3029010
Steel Floor Beamlinear ft.1,0821,082000
Steel Protective Coatingsq. ft.5,7451,72305743,448
Steel Pin or Pin & Hangar Assemblyeach85210
Steel Gusset Plateeach158155030
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Walllinear ft.120118020
Reinforced Concrete Abutmentlinear ft.9493010
Reinforced Concrete Pile Cap/Footinglinear ft.22000
Reinforced Concrete Pier Caplinear ft.9896020
Joints
Pourable Jointlinear ft.52026026
Open Jointlinear ft.80606507878
Assembly without Seal Jointlinear ft.5200520
Bearings
Movable Bearingeach22000
Fixed Bearingeach21010
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2,4542,4220032