OR 34 (HWY 27) over ALSEA RIVER


+44.40503, -123.94267
44°24'18" N, 123°56'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:OR 34 (HWY 27) over ALSEA RIVER
Structure number:02652 027 00706
Location:071 MI E HWY 9 JCT
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:160.1 ft. [48.8 m]
Total length:375.0 ft. [114.3 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:39.4 ft. [12.0 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1940
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,300 [as of 2016]
Truck traffic:20% 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: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 desirable criteria [8]
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 foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:48.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairSatisfactorySatisfactoryFair130048.6
April 2015FairSatisfactorySatisfactorySatisfactory140056.4
April 2013FairSatisfactorySatisfactorySatisfactory140051.3
April 2011FairSatisfactorySatisfactorySatisfactory140051.3
April 2009FairSatisfactorySatisfactorySatisfactory130051.9
April 2007FairSatisfactorySatisfactoryGood190048.0
March 2005FairSatisfactorySatisfactoryGood170047.7
April 2003FairSatisfactorySatisfactoryGood170047.7
April 2001FairSatisfactorySatisfactoryGood150049.1
December 2000FairSatisfactoryFairVery Good120038.8
April 1999FairSatisfactoryFairVery Good120038.8
April 1997FairSatisfactoryFairVery Good65054.7
April 1995FairSatisfactoryFairVery Good65053.0
April 1993GoodGoodGoodVery Good65067.8
February 1991GoodVery GoodGoodVery Good85061.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.750510180600
Steel Protective Coatingsq. ft.17,00014,9251,6064690
Steel Stringerlinear ft.3,3752333,14110
Steel Protective Coatingsq. ft.11,1199,9371,098840
Reinforced Concrete Decksq. ft.13,50013,275200250
Wearing Surfacessq. ft.9,7509,750000
Steel Floor Beamlinear ft.8974085340
Steel Protective Coatingsq. ft.6,4405,750644460
Reinforced Concrete Columneach40400
Reinforced Concrete Abutmentlinear ft.9287500
Reinforced Concrete Pile Cap/Footinglinear ft.24087143100
Open Jointlinear ft.5454000
Other Jointlinear ft.252252000
Movable Bearingeach60420
Steel Protective Coatingsq. ft.120853050
Fixed Bearingeach20200
Steel Protective Coatingsq. ft.100090100
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,5001,34016000
Steel Protective Coatingsq. ft.5,55004,9955550