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IRIS LANE over IRRIGATION CANAL

Map

Coordinates:
+44.52027, -121.16996
44°31'13" N, 121°10'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRIS LANE over IRRIGATION CANAL
Structure number:31C012083600085
Location:0.3 MI E OF HWY 97
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:27.9 ft. [8.5 m]
Total length:28.9 ft. [8.8 m]
Roadway width between curbs:23.3 ft. [7.1 m]
Deck width edge-to-edge:24.3 ft. [7.4 m]
Owner:County Highway Agency [02]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Fair
Status:Open, posting recommended but not legally implemented [B]
Average daily traffic:303 [as of 2010]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 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:55.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairSatisfactorySatisfactoryGood30355.3
November 2016FairSatisfactorySatisfactoryGood30376.0
November 2014FairSatisfactorySatisfactoryGood30371.5
November 2012FairSatisfactorySatisfactoryGood30371.5
November 2010FairSatisfactorySatisfactoryGood30371.5
October 2008FairSatisfactorySatisfactoryGood30369.5
November 2006FairSatisfactoryGoodGood28371.4
October 2004GoodGoodGoodGood28371.1
October 2002FairSatisfactoryGoodGood27571.1
December 2000FairSatisfactoryGoodGood27571.1
November 1998FairSatisfactoryGoodGood27071.1
November 1996FairSatisfactoryGoodGood27062.8
October 1994FairSatisfactoryGoodGood27062.8
October 1992FairSatisfactoryGoodGood27066.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.43521522000
Substructure
Reinforced Concrete Abutmentlinear ft.4846200
Joints
Other Jointlinear ft.48163200
Deck
Timber Decksq. ft.70254216000
Wearing Surfacessq. ft.67040027000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5849900
Steel Protective Coatingsq. ft.174174000