OR 47 (HWY 102) over Oak Ranch Creek


+45.94637, -123.16488
45°56'47" N, 123°09'54" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:OR 47 (HWY 102) over Oak Ranch Creek
Structure number:01748A102 05307
Location:7.0 MI S HWY 110 JCT
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:69.9 ft. [21.3 m]
Total length:69.9 ft. [21.3 m]
Roadway width between curbs:30.8 ft. [9.4 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Skew angle:15°
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 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,100 [as of 2017]
Truck traffic:31% 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: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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:92.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018GoodGoodGoodGood110092.7
May 2016GoodGoodGoodGood100093.9
May 2014GoodGoodGoodGood120089.5
May 2012GoodGoodGoodGood120092.2
May 2010GoodGoodGoodGood130091.8
May 2008GoodGoodGoodGood130091.8
May 2006GoodGoodGoodGood130094.0
May 2004GoodGoodGoodGood150093.2
May 2002GoodGoodGoodVery Good150093.2
May 2000GoodVery GoodGoodVery Good150093.2
May 1998GoodVery GoodGoodVery Good150093.2
May 1996GoodVery GoodGoodVery Good120094.3
May 1994GoodVery GoodGoodVery Good81096.8
May 1992GoodVery GoodVery GoodVery Good81096.8
May 1990GoodVery GoodVery GoodVery Good82094.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Decksq. ft.2,5202,513430
Wearing Surfacessq. ft.2,2402,240000
Reinforced Concrete Abutmentlinear ft.104931100
Other Jointlinear ft.155155000
Elastomeric Bearingeach3636000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.140070700