US 97 over OKANOGAN R & RR


+48.64883, -119.47058
48°38'56" N, 119°28'14" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 97 over OKANOGAN R & RR
Structure number:0005371A0000000
Location:18.3 N JCT SR 215
Purpose:Carries highway and pedestrian walkway over railroad and waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:94.2 ft. [28.7 m]
Total length:659.2 ft. [200.9 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:31.8 ft. [9.7 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:6
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,571 [as of 2015]
Truck traffic:16% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:65.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$11,598,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairGoodSatisfactoryGood457165.4
September 2016FairGoodSatisfactoryGood457165.4
September 2014FairGoodSatisfactoryGood434865.2
September 2012FairGoodSatisfactoryGood453661.9
October 2010PoorPoorSatisfactoryGood448858.7
September 2008PoorSeriousSatisfactoryGood448856.5
September 2006FairFairSatisfactoryGood324061.8
July 2005FairFairSatisfactoryGood324061.8
September 2003FairFairSatisfactoryGood324061.8
August 2001FairFairSatisfactoryGood324061.8
September 1999FairFairSatisfactoryGood324059.8
August 1997FairFairSatisfactoryGood324059.8
September 1995FairSatisfactorySatisfactoryGood324066.4
September 1993FairSatisfactorySatisfactoryGood470065.4
July 1991FairSatisfactorySatisfactoryGood290066.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.517517000
Reinforced Concrete Decksq. ft.13,44213,4300012
Wearing Surfacessq. ft.13,442013,44200
Reinforced Concrete Top Flangesq. ft.3,6923,692000
Reinforced Concrete Columneach77000
Reinforced Concrete Abutmentlinear ft.6464000
Reinforced Concrete Pileeach55000
Reinforced Concrete Pier Caplinear ft.128127010
Strip Seal Jointlinear ft.5205200
Pourable Jointlinear ft.5200052
Movable Bearingeach88000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,3181,318000
Reinforced Concrete Bridge Raillinear ft.1,3181,316020
Reinforced Concrete Slabsq. ft.3,6923,691010