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IRR:NKNK-KNG SALMN over LEADER CREEK

Map

Coordinates:
+58.74711, -156.94373
58°44'50" N, 156°56'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR:NKNK-KNG SALMN over LEADER CREEK
Structure number:0400
Location:MILE POINT 3.2
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:59.4 ft. [18.1 m]
Total length:98.8 ft. [30.1 m]
Roadway width between curbs:24.3 ft. [7.4 m]
Deck width edge-to-edge:24.3 ft. [7.4 m]
Owner:State Highway Agency [01]
Year built:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,209 [as of 2015]
Truck traffic:1% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:60.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016FairFairSatisfactorySatisfactory120960.1
July 2014FairFairSatisfactorySatisfactory119060.3
July 2012FairFairSatisfactorySatisfactory118655.1
July 2010FairFairVery GoodVery Good102056.6
May 2008GoodGoodVery GoodVery Good101357.9
September 2006GoodGoodVery GoodVery Good99066.5
June 2004GoodGoodVery GoodVery Good101066.2
June 2002GoodGoodVery GoodVery Good57472.4
July 2000FairFairVery GoodVery Good57471.3
June 1998FairFairVery GoodVery Good57071.4
June 1996GoodGoodVery GoodVery Good54072.8
June 1995GoodGoodVery GoodVery Good84070.2
September 1993GoodGoodGoodGood54068.2
August 1991GoodGoodGoodGood60067.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.30010519500
Steel Protective Coatingsq. ft.2,460986983368123
Timber Girder/Beamlinear ft.320320000
Substructure
Steel Abutmentlinear ft.5042800
Steel Protective Coatingsq. ft.3001061003064
Steel Pileeach88000
Steel Protective Coatingsq. ft.640276300064
Steel Pier Caplinear ft.5014900
Steel Protective Coatingsq. ft.44024002000
Deck
Timber Decksq. ft.2,570502,5650
Wearing Surfacessq. ft.2,3802,380000
Bearings
Fixed Bearingeach3003000
Steel Protective Coatingsq. ft.300601206060
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.200319340
Steel Protective Coatingsq. ft.1,1801,180000