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CHINIAK HIGHWAY over EAST FORK TWIN CREEK

Map

Coordinates:
+57.61762, -152.26067
57°37'03" N, 152°15'38" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CHINIAK HIGHWAY over EAST FORK TWIN CREEK
Structure number:0290
Location:MILE POINT 29.6
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:30.8 ft. [9.4 m]
Total length:63.0 ft. [19.2 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Owner:State Highway Agency [01]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Prestressed concrete [5]
Main spans design:Tee beam [04]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:166 [as of 2017]
Truck traffic:11% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:82.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018GoodGoodGoodGood16682.7
September 2016GoodGoodGoodGood25092.7
September 2014GoodGoodGoodGood25092.7
September 2012GoodGoodGoodGood17093.4
September 2010GoodGoodGoodGood17091.7
September 2008GoodGoodGoodGood10092.4
September 2006FairFairGoodGood16092.5
September 2004FairFairGoodGood16592.4
September 2002FairFairGoodGood22591.9
July 2000FairFairGoodGood22591.9
August 1998FairFairGoodGood22091.9
June 1996GoodGoodGoodGood16192.7
June 1994GoodGoodGoodGood12093.3
August 1992GoodGoodGoodGood18092.9
May 1990GoodGoodGoodGood18092.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.430430000
Deck
Reinforced Concrete Top Flangesq. ft.1,7601,64012000
Wearing Surfacessq. ft.1,4801,480000
Concrete Protective Coatingsq. ft.1,4801,480000
Substructure
Reinforced Concrete Abutmentlinear ft.7063070
Steel Pileeach42200
Steel Protective Coatingsq. ft.180180000
Reinforced Concrete Pier Caplinear ft.3023070
Bearings
Elastomeric Bearingeach112112000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1301181200
Steel Protective Coatingsq. ft.760760000