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SR 397 over COLUMBIA RIVER

Map

Coordinates:
+46.21463, -119.10676
46°12'53" N, 119°06'24" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 397 over COLUMBIA RIVER
Structure number:085555000000000
Location:0.2 N COLUMBIA DR
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:981.0 ft. [299.0 m]
Total length:2503.1 ft. [762.9 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:71.9 ft. [21.9 m]
Vertical clearance below bridge:45.9 ft. [14.0 m]
Owner:State Highway Agency [01]
Year built:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stayed girder [14]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:16,129 [as of 2012]
Truck traffic:13% of total traffic
Deck condition:Good [7 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:84.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$67,080,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018GoodGoodGoodGood1612984.1
May 2016GoodGoodGoodGood1612984.1
May 2014GoodGoodGoodGood1612984.1
May 2012GoodGoodGoodGood1662284.0
May 2010GoodGoodGoodGood1800083.6
June 2008GoodGoodGoodGood1800083.6
May 2006GoodGoodGoodGood827978.3
May 2004GoodGoodGoodGood827978.3
May 2002GoodGoodGoodGood827984.5
August 2001GoodGoodGoodGood827984.5
May 2000GoodGoodGoodGood827984.5
June 1999GoodGoodGoodGood827984.5
May 1997GoodGoodGoodGood827972.3
November 1995GoodGoodGoodGood827982.3
October 1994GoodGoodGoodGood827982.3
December 1993GoodGoodGoodGood2131178.0
November 1992GoodGoodGoodGood2131178.0
September 1991GoodGoodVery GoodGood2131178.0

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.4,2974,2772000
Deck
Reinforced Concrete Decksq. ft.150,180149,0711,10900
Wearing Surfacessq. ft.150,1800150,18000
Superstructure
Steel Main Cablelinear ft.1481060420
Prestressed Concrete Floor Beamlinear ft.7,1347,128060
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Walllinear ft.5757000
Reinforced Concrete Abutmentlinear ft.144144000
Reinforced Concrete Pile Cap/Footinglinear ft.77000
Reinforced Concrete Pileeach44000
Joints
Compression Jointlinear ft.6006000
Assembly with Sealeach6000600
Bearings
Movable Bearingeach2219030
Fixed Bearingeach11000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5,0065,006000
Reinforced Concrete Bridge Raillinear ft.2,5032,503000