OR 47 (HWY 102) over NEHALEM RIVER


+45.85816, -123.17267
45°51'29" N, 123°10'22" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:OR 47 (HWY 102) over NEHALEM RIVER
Structure number:02323 102 06128
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:120.4 ft. [36.7 m]
Total length:209.7 ft. [63.9 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:38.1 ft. [11.6 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1938
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,100 [as of 2017]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 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]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 but re-evaluation of design suggested [4]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:44.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,183,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairSatisfactoryFairFair310044.0
May 2016PoorSatisfactorySatisfactoryPoor420027.2
May 2014PoorFairSatisfactoryPoor490035.2
May 2012PoorFairSatisfactoryPoor490035.2
March 2010PoorFairSatisfactoryPoor320038.4
May 2008FairSatisfactorySatisfactoryFair320048.9
May 2006FairSatisfactorySatisfactoryFair340051.7
May 2005FairSatisfactorySatisfactoryFair340051.7
May 2004FairSatisfactorySatisfactoryFair380051.1
February 2003FairSatisfactoryGoodSatisfactory370062.7
May 2000PoorSatisfactoryGoodPoor350038.9
May 1998FairGoodSatisfactoryGood340059.9
May 1996FairGoodSatisfactoryGood320069.6
May 1994FairGoodVery GoodSatisfactory330057.4
May 1992GoodGoodVery GoodGood330055.5
May 1990GoodGoodGoodGood215056.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Girder/Beamlinear ft.1,3201,2843600
Steel Stringerlinear ft.8404981002420
Steel Protective Coatingsq. ft.3,60002,160720720
Reinforced Concrete Decksq. ft.8,9197,5191,1182820
Concrete Protective Coatingsq. ft.5,9855,985000
Steel Trusslinear ft.2400221190
Steel Protective Coatingsq. ft.9,88202604,4165,206
Steel Floor Beamlinear ft.2940224700
Steel Protective Coatingsq. ft.2,469606621621621
Steel Gusset Plateeach40223150
Steel Protective Coatingsq. ft.392050115227
Reinforced Concrete Columneach41030
Timber Abutmentlinear ft.98881000
Steel Abutmentlinear ft.1900190
Steel Protective Coatingsq. ft.750252525
Reinforced Concrete Pile Cap/Footinglinear ft.2400240
Steel Pileeach76100
Steel Protective Coatingsq. ft.110110000
Timber Pileeach2311831
Steel Pier Caplinear ft.1616000
Steel Protective Coatingsq. ft.8000800
Reinforced Concrete Pier Caplinear ft.7563570
Timber Pier Caplinear ft.112922000
Open Jointlinear ft.8500850
Other Jointlinear ft.9900990
Movable Bearingeach20200
Steel Protective Coatingsq. ft.8000800
Fixed Bearingeach20200
Steel Protective Coatingsq. ft.36001818
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.74968033360
Steel Protective Coatingsq. ft.2,13001,065955110