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CHINIAK HIGHWAY over MYRTLE CREEK

Map

Coordinates:
+57.60400, -152.40546
57°36'14" N, 152°24'20" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CHINIAK HIGHWAY over MYRTLE CREEK
Structure number:0292
Location:MILE POINT 22.8
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:30.8 ft. [9.4 m]
Total length:94.2 ft. [28.7 m]
Roadway width between curbs:23.6 ft. [7.2 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:3
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:Fair
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: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 minimum criteria [6]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
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:80.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$420,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairGoodSatisfactorySatisfactory16680.2
September 2016FairGoodSatisfactorySatisfactory25092.7
September 2014FairGoodSatisfactorySatisfactory25092.7
September 2012FairGoodGoodSatisfactory17093.4
September 2010FairGoodGoodSatisfactory17091.7
September 2008GoodGoodGoodGood10092.4
September 2006GoodGoodGoodGood16093.5
September 2004GoodGoodGoodGood16593.5
September 2002FairVery GoodFairFair22581.6
July 2000FairVery GoodFairFair22581.6
August 1998FairVery GoodFairFair22081.6
June 1996GoodVery GoodGoodGood16188.6
June 1994GoodVery GoodGoodGood12089.3
August 1992GoodVery GoodGoodGood18088.8
May 1990GoodVery GoodGoodGood18088.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.6505856500
Deck
Reinforced Concrete Top Flangesq. ft.2,6402,44020000
Wearing Surfacessq. ft.2,2202,220000
Concrete Protective Coatingsq. ft.2,2202,220000
Substructure
Reinforced Concrete Abutmentlinear ft.7064330
Steel Pileeach87100
Steel Protective Coatingsq. ft.190190000
Reinforced Concrete Pier Caplinear ft.6055050
Bearings
Elastomeric Bearingeach168168000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1901622800
Steel Protective Coatingsq. ft.1,1301,130000