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ALASKA HIGHWAY over TANANA RIVER

Map

Coordinates:
+63.31716, -142.64688
63°19'02" N, 142°38'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ALASKA HIGHWAY over TANANA RIVER
Structure number:0505
Location:MILE POINT 79.1
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:149.9 ft. [45.7 m]
Total length:902.6 ft. [275.1 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Owner:State Highway Agency [01]
Year built:2010
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:6
Main spans material:Prestressed concrete [5]
Main spans design:Tee beam [04]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:491 [as of 2017]
Truck traffic:28% of total traffic
Deck condition:Excellent [9 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
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:88.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018GoodExcellentVery GoodVery Good49188.4
July 2016GoodExcellentExcellentVery Good56882.4
July 2014GoodExcellentExcellentExcellent66081.5
July 2012GoodExcellentExcellentExcellent65281.5
November 2010GoodExcellentExcellentExcellent69481.1
July 2008PoorPoorSatisfactoryPoor57926.9
August 2006PoorPoorSatisfactoryPoor90533.8
June 2005PoorPoorSatisfactoryPoor94133.8
June 2004PoorPoorSatisfactoryPoor96333.8
June 2002PoorPoorSatisfactoryPoor91733.8
August 2000PoorFairFairPoor91735.8
August 1998PoorFairFairPoor90035.8
June 1996FairFairGoodSatisfactory87249.9
August 1994FairSatisfactoryGoodSatisfactory86554.2
August 1992GoodGoodGoodGood70761.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.7,2207,2081200
Deck
Reinforced Concrete Top Flangesq. ft.38,82038,819100
Wearing Surfacessq. ft.36,11036,110000
Concrete Protective Coatingsq. ft.36,11036,110000
Substructure
Reinforced Concrete Columneach55000
Reinforced Concrete Abutmentlinear ft.9087300
Reinforced Concrete Pier Caplinear ft.2101743600
Joints
Strip Seal Jointlinear ft.9090000
Bearings
Elastomeric Bearingeach9696000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,8001,5201801000
Steel Protective Coatingsq. ft.10,8309,7301,10000