OR 47 (HWY 102) over Rock Creek


+45.85873, -123.19212
45°51'31" N, 123°11'32" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:OR 47 (HWY 102) over Rock Creek
Structure number:01508 102 06227
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:55.1 ft. [16.8 m]
Total length:140.1 ft. [42.7 m]
Roadway width between curbs:26.9 ft. [8.2 m]
Deck width edge-to-edge:39.4 ft. [12.0 m]
Owner:State Highway Agency [01]
Year built:1930
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:5,300 [as of 2017]
Truck traffic:13% of total traffic
Deck condition:Good [7 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 replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
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:49.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$712,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairGoodFairFair530049.5
May 2016FairGoodFairFair420049.3
May 2014FairGoodSatisfactoryFair500053.9
May 2012FairGoodSatisfactoryFair500053.9
May 2010FairGoodSatisfactoryFair520053.7
May 2008FairGoodSatisfactoryFair520053.7
May 2006FairGoodSatisfactoryFair540056.5
May 2004FairGoodSatisfactoryFair690054.4
May 2002FairGoodFairFair680054.5
May 2000FairGoodFairFair660051.7
May 1998GoodGoodGoodGood660064.2
May 1996GoodGoodGoodGood510065.6
May 1994GoodGoodGoodGood570064.9
May 1992GoodGoodGoodGood570057.2
May 1990GoodGoodGoodGood510055.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.560179803010
Reinforced Concrete Stringerlinear ft.2802700100
Reinforced Concrete Floor Beamlinear ft.65446150
Reinforced Concrete Top Flangesq. ft.5,5075,056415360
Wearing Surfacessq. ft.4,2004,200000
Reinforced Concrete Columneach168170
Reinforced Concrete Abutmentlinear ft.85647140
Reinforced Concrete Pile Cap/Footinglinear ft.35015200
Other Jointlinear ft.8585000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2802631610