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CHINIAK HIGHWAY over WEST FORK TWIN CREEK

Map

Coordinates:
+57.62100, -152.26516
57°37'16" N, 152°15'55" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CHINIAK HIGHWAY over WEST FORK TWIN CREEK
Structure number:4057
Location:MILE POINT 28.9
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:11.2 ft. [3.4 m]
Total length:24.0 ft. [7.3 m]
Owner:State Highway Agency [01]
Year built:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Culvert [19]
Deck type:Not applicable [N]

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
Structural 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: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]
Culvert condition:No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:93.5

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
September 2018Good8 out of 1016693.5
September 2016Good8 out of 1025092.7
September 2014Good8 out of 1025093.1
September 2012Good8 out of 1017093.7
September 2010Good8 out of 1017093.7
September 2008Good8 out of 1010038.5
September 2006Good8 out of 1016037.1
September 2004Good8 out of 1016536.9
December 2003Good8 out of 1018093.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Other Material Culvertlinear ft.4040000