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US 20 over S Fork Niobrara River

Map

Coordinates:
+42.68800, -104.19123
42°41'17" N, 104°11'28" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 20 over S Fork Niobrara River
Structure number:FDY
Location:Lusk - Nebr. State Line
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:44.0 ft. [13.4 m]
Total length:118.1 ft. [36.0 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:39.0 ft. [11.9 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1986
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:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:468 [as of 2016]
Truck traffic:26% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:96.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairGoodGoodSatisfactory46896.6
April 2015FairGoodGoodSatisfactory39896.9
March 2013FairGoodGoodSatisfactory48496.5
February 2011FairGoodGoodSatisfactory47999.8
January 2009FairGoodGoodSatisfactory50099.7
January 2007FairGoodGoodSatisfactory35099.8
February 2005FairGoodGoodSatisfactory59099.7
February 2003FairGoodGoodSatisfactory57099.7
February 2001FairGoodGoodSatisfactory52099.7
February 1999FairGoodExcellentSatisfactory49097.7
February 1997GoodGoodExcellentGood45097.8
March 1995FairSatisfactoryExcellentGood45097.8
May 1993GoodVery GoodVery GoodVery Good43097.8
March 1991GoodVery GoodVery GoodVery Good40097.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.5785582000
Steel Protective Coatingsq. ft.4,2604,2400020
Deck
Reinforced Concrete Decksq. ft.4,6024,44215280
Wearing Surfacessq. ft.4,2484,248000
Substructure
Reinforced Concrete Abutmentlinear ft.101101000
Steel Pileeach1001000
Steel Protective Coatingsq. ft.408168060180
Reinforced Concrete Pier Caplinear ft.9595000
Joints
Pourable Jointlinear ft.9292000
Bearings
Elastomeric Bearingeach1010000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.31411020400
Concrete Protective Coatingsq. ft.2,0521,53900513