US 20 (HWY 33) over Yaquina River


+44.63482, -123.77631
44°38'05" N, 123°46'35" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 20 (HWY 33) over Yaquina River
Structure number:00683 033 02338
Location:001 MI W EDDYVILLE
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:80.1 ft. [24.4 m]
Total length:137.1 ft. [41.8 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Owner:County Highway Agency [02]
Year built:1923
Year reconstructed:1962
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:Bituminous [6]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,700 [as of 2017]
Truck traffic:17% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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 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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:43.8
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$676,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairSatisfactorySatisfactoryFair470043.8
July 2016FairSatisfactorySatisfactoryFair430043.8
July 2014FairSatisfactorySatisfactoryFair470043.8
July 2012FairSatisfactorySatisfactoryFair470043.8
July 2010FairSatisfactorySatisfactoryFair440043.8
July 2008FairSatisfactorySatisfactoryFair440043.8
July 2007FairSatisfactorySatisfactoryFair450043.8
June 2005PoorFairPoorFair450026.8
August 2004PoorSatisfactoryPoorFair440021.2
July 2003PoorSatisfactoryPoorSatisfactory430021.2
October 2002FairSatisfactoryFairSatisfactory430036.2
October 2001FairSatisfactoryFairSatisfactory420036.2
October 2000FairSatisfactorySatisfactorySatisfactory400046.2
October 1999FairGoodSatisfactorySatisfactory400046.2
October 1998FairGoodSatisfactorySatisfactory400046.2
October 1997FairGoodSatisfactorySatisfactory350046.2
October 1996FairGoodSatisfactorySatisfactory350046.2
October 1995FairGoodSatisfactorySatisfactory350045.2
October 1994FairGoodFairFair350035.2
August 1993FairFairFairFair350039.6
September 1992FairFairFairFair320040.6
June 1991PoorSatisfactoryFairPoor320026.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.3640352120
Timber Stringerlinear ft.411405060
Steel Trusslinear ft.1609381130
Steel Protective Coatingsq. ft.4,0484,048000
Steel Floor Beamlinear ft.3082368640
Steel Protective Coatingsq. ft.2,4202,420000
Timber Floor Beamlinear ft.5046400
Reinforced Concrete Top Flangesq. ft.1,6251,6002500
Wearing Surfacessq. ft.1,4911,4603100
Steel Gusset Plateeach4408360
Steel Protective Coatingsq. ft.300300000
Reinforced Concrete Columneach155820
Steel Abutmentlinear ft.72036360
Steel Pileeach50320
Timber Pileeach106310
Steel Pier Caplinear ft.108068400
Reinforced Concrete Pier Caplinear ft.6262000
Other Jointlinear ft.130983200
Timber Decksq. ft.7366865000
Elastomeric Bearingeach8484000
Movable Bearingeach22000
Steel Protective Coatingsq. ft.2424000
Fixed Bearingeach20200
Steel Protective Coatingsq. ft.2018200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.16013416100
Steel Protective Coatingsq. ft.6005840016
Reinforced Concrete Bridge Raillinear ft.1141041000
Timber Bridge Raillinear ft.1371142003
Reinforced Concrete Slabsq. ft.2,1601,86829110
Wearing Surfacessq. ft.2,1602,1501000