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US 101 over DUCKABUSH RIVER

Map

Coordinates:
+47.64944, -122.93447
47°38'58" N, 122°56'04" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 101 over DUCKABUSH RIVER
Structure number:0001764B0000000
Location:25.1 S JCT SR 104
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:109.9 ft. [33.5 m]
Total length:168.0 ft. [51.2 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:24.9 ft. [7.6 m]
Vertical clearance above deck:20.3 ft. [6.2 m]
Owner:State Highway Agency [01]
Year built:1934
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,293 [as of 2012]
Truck traffic:16% 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:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:40.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,016,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairGoodSatisfactorySatisfactory229340.8
April 2015FairGoodSatisfactorySatisfactory229340.5
April 2013FairGoodSatisfactoryFair262740.5
April 2011FairGoodSatisfactoryFair262740.5
April 2009FairSatisfactorySatisfactoryFair264640.5
May 2007FairSatisfactorySatisfactoryFair206340.5
May 2005FairSatisfactorySatisfactoryFair206337.2
July 2003FairSatisfactorySatisfactoryFair206337.2
November 2001FairSatisfactorySatisfactoryFair206343.8
August 1999FairSatisfactorySatisfactoryFair204343.9
October 1997FairSatisfactoryGoodFair204343.9
September 1995GoodGoodGoodGood204347.3
May 1993GoodGoodGoodGood277545.4
November 1991GoodGoodGoodGood277545.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.116116000
Deck
Reinforced Concrete Decksq. ft.4,0324,0220010
Wearing Surfacessq. ft.4,03204,03200
Superstructure
Reinforced Concrete Archlinear ft.2201980220
Reinforced Concrete Floor Beamlinear ft.410410000
Substructure
Reinforced Concrete Abutmentlinear ft.7272000
Reinforced Concrete Pile Cap/Footinglinear ft.22000
Reinforced Concrete Pileeach44000
Reinforced Concrete Pier Caplinear ft.7070000
Joints
Compression Jointlinear ft.2402400
Open Jointlinear ft.4804800
Bearings
Movable Bearingeach22000
Fixed Bearingeach22000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.336336000