+45.88936, -122.73264
45°53'22" N, 122°43'57" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 over LEWIS RIVER
Structure number:0008264C0000000
Location:5.8 N JCT SR 501
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:324.2 ft. [98.8 m]
Total length:1076.2 ft. [328.0 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:51.5 ft. [15.7 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:29.5 ft. [9.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:32,564 [as of 2012]
Truck traffic:19% of total traffic
Deck condition:Fair [5 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: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:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:78.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$24,963,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairFairGoodGood3256478.6
March 2015FairFairGoodGood3256478.4
March 2013FairFairSatisfactoryGood3307278.3
August 2011FairFairSatisfactoryGood3307280.6
August 2009FairFairSatisfactoryGood3374780.5
September 2007FairFairGoodGood5561878.2
September 2005FairFairGoodGood5561878.2
October 2003FairFairGoodGood5561877.2
March 2001FairSatisfactoryGoodGood5561879.3
March 1999FairSatisfactoryGoodGood2315483.6
April 1997FairSatisfactoryGoodGood2315483.6
March 1995FairSatisfactoryGoodGood2315484.1
April 1993FairSatisfactoryGoodGood2136084.3
February 1991FairSatisfactoryGoodGood1719884.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.264264000
Steel Stringerlinear ft.5,6915,686410
Steel Protective Coatingsq. ft.40,49840,498000
Reinforced Concrete Decksq. ft.51,64850,675957016
Steel Trusslinear ft.1,6261,5725400
Steel Protective Coatingsq. ft.115,708115,708000
Steel Floor Beamlinear ft.1,5941,594000
Steel Protective Coatingsq. ft.11,34311,343000
Steel Gusset Plateeach120119010
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Walllinear ft.286286000
Reinforced Concrete Abutmentlinear ft.22000
Pourable Jointlinear ft.9609600
Compression Jointlinear ft.4800480
Open Jointlinear ft.1,4880480720288
Assembly without Seal Jointlinear ft.4800480
Movable Bearingeach1818000
Fixed Bearingeach44000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2,1542,151030
Reinforced Concrete Bridge Raillinear ft.2,1542,150040