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JNU DOUGLAS BR RD over GASTINEAU CHANNEL

Map

Coordinates:
+58.29917, -134.42889
58°17'57" N, 134°25'44" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:JNU DOUGLAS BR RD over GASTINEAU CHANNEL
Structure number:0740
Location:MILE POINT 0.1
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:620.1 ft. [189.0 m]
Total length:1286.5 ft. [392.1 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:49.2 ft. [15.0 m]
Owner:State Highway Agency [01]
Year built:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Segmental box girder [21]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:8,562 [as of 2016]
Truck traffic:2% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:Better than present minimum criteria [7]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:57.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairGoodSatisfactorySatisfactory856257.5
June 2015FairGoodSatisfactorySatisfactory439658.5
June 2013GoodGoodGoodGood943557.6
June 2011GoodGoodGoodGood1078357.5
July 2009GoodGoodGoodGood869971.0
November 2007GoodGoodGoodGood1415757.6
September 2005GoodGoodGoodGood1375957.6
October 2003GoodGoodGoodGood1356257.0
November 2001FairVery GoodFairFair1371860.0
July 1999FairVery GoodFairFair1460760.0
March 1997GoodVery GoodGoodGood1460773.0
September 1995GoodVery GoodGoodGood1225473.0
November 1993GoodVery GoodGoodGood1231673.0
November 1991GoodExcellentVery GoodExcellent1172073.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.1,2801,2166400
Deck
Prestressed Concrete Top Flangesq. ft.56,60056,5544510
Wearing Surfacessq. ft.46,95046,48047000
Concrete Protective Coatingsq. ft.46,95046,950000
Substructure
Reinforced Concrete Pier Walllinear ft.8008000
Reinforced Concrete Abutmentlinear ft.90405000
Joints
Pourable Jointlinear ft.4038110
Assembly with Sealeach1103836360
Bearings
Elastomeric Bearingeach85300
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3,91203,877350
Steel Protective Coatingsq. ft.17,8108,905008,905