OR 47 (HWY 102) over East Fork Nehalem River


+45.90125, -123.14533
45°54'04" N, 123°08'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:OR 47 (HWY 102) over East Fork Nehalem River
Structure number:01415 102 05714
Location:11.0 MI S HWY 110 JCT
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:49.9 ft. [15.2 m]
Total length:120.1 ft. [36.6 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:27.2 ft. [8.3 m]
Owner:State Highway Agency [01]
Year built:1929
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,500 [as of 2017]
Truck traffic:31% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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 minimum criteria [6]
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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:73.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairSatisfactoryGoodSatisfactory150073.3
May 2016GoodGoodGoodGood170073.1
May 2014GoodGoodGoodGood170073.1
May 2012GoodGoodGoodGood170073.1
May 2010GoodGoodGoodGood160073.2
May 2008GoodGoodGoodGood160073.2
May 2006GoodGoodGoodGood160065.4
May 2004GoodGoodGoodGood170064.5
May 2002GoodGoodGoodGood170064.5
May 2000GoodVery GoodGoodVery Good150065.6
May 1998GoodVery GoodGoodVery Good150065.6
May 1996GoodGoodGoodVery Good140066.1
May 1994GoodGoodGoodVery Good10000.0
May 1992GoodGoodGoodVery Good100062.2
May 1990FairGoodGoodSatisfactory135055.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.480477300
Reinforced Concrete Floor Beamlinear ft.3131000
Reinforced Concrete Top Flangesq. ft.3,2803,003197800
Wearing Surfacessq. ft.2,88002,88000
Reinforced Concrete Columneach85300
Reinforced Concrete Abutmentlinear ft.5553200
Reinforced Concrete Pile Cap/Footinglinear ft.2202200
Reinforced Concrete Pier Caplinear ft.5555000
Other Jointlinear ft.5555000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2402211900
Steel Protective Coatingsq. ft.1,4881,248225150