ALASKA HIGHWAY over TANANA RIVER
Map
Coordinates:
+63.31716, -142.6468863°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
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
July 2018 | Good | Excellent | Very Good | Very Good | 491 | 88.4 |
July 2016 | Good | Excellent | Excellent | Very Good | 568 | 82.4 |
July 2014 | Good | Excellent | Excellent | Excellent | 660 | 81.5 |
July 2012 | Good | Excellent | Excellent | Excellent | 652 | 81.5 |
November 2010 | Good | Excellent | Excellent | Excellent | 694 | 81.1 |
July 2008 | Poor | Poor | Satisfactory | Poor | 579 | 26.9 |
August 2006 | Poor | Poor | Satisfactory | Poor | 905 | 33.8 |
June 2005 | Poor | Poor | Satisfactory | Poor | 941 | 33.8 |
June 2004 | Poor | Poor | Satisfactory | Poor | 963 | 33.8 |
June 2002 | Poor | Poor | Satisfactory | Poor | 917 | 33.8 |
August 2000 | Poor | Fair | Fair | Poor | 917 | 35.8 |
August 1998 | Poor | Fair | Fair | Poor | 900 | 35.8 |
June 1996 | Fair | Fair | Good | Satisfactory | 872 | 49.9 |
August 1994 | Fair | Satisfactory | Good | Satisfactory | 865 | 54.2 |
August 1992 | Good | Good | Good | Good | 707 | 61.6 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Superstructure |
Prestressed Concrete Girder/Beam | linear ft. | 7,220 | 7,208 | 12 | 0 | 0 |
Deck |
Reinforced Concrete Top Flange | sq. ft. | 38,820 | 38,819 | 1 | 0 | 0 |
Wearing Surfaces | sq. ft. | 36,110 | 36,110 | 0 | 0 | 0 |
Concrete Protective Coating | sq. ft. | 36,110 | 36,110 | 0 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 5 | 5 | 0 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 90 | 87 | 3 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 210 | 174 | 36 | 0 | 0 |
Joints |
Strip Seal Joint | linear ft. | 90 | 90 | 0 | 0 | 0 |
Bearings |
Elastomeric Bearing | each | 96 | 96 | 0 | 0 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 1,800 | 1,520 | 180 | 100 | 0 |
Steel Protective Coating | sq. ft. | 10,830 | 9,730 | 1,100 | 0 | 0 |