IS 29 N over US 59


+40.19394, -95.36048
40°11'38" N, 95°21'38" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 29 N over US 59
Structure number:1599
Old structure number:A1907 3 (from 1992 edition)
Location:S 12 T 62 N R 40 W
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:65.0 ft. [19.8 m]
Total length:154.9 ft. [47.2 m]
Roadway width between curbs:39.4 ft. [12.0 m]
Deck width edge-to-edge:42.3 ft. [12.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:38°
Owner:State Highway Agency [01]
Year built:1972
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
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]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,475 [as of 2016]
Truck traffic:35% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:93.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairFairSatisfactoryGood747593.5
November 2015FairFairGoodGood681093.6
November 2013FairFairGoodGood681093.6
November 2011FairFairVery GoodGood550893.6
January 2011FairFairVery GoodGood678192.6
December 2008FairFairVery GoodGood649592.6
January 2007FairFairVery GoodGood644792.6
October 2004FairFairVery GoodGood631892.6
January 2003FairFairVery GoodGood601792.7
October 2001FairSatisfactoryVery GoodGood570793.7
November 1999FairSatisfactoryVery GoodGood552293.2
November 1998FairSatisfactoryVery GoodGood552293.2
November 1997FairSatisfactoryVery GoodGood552293.2
December 1996FairSatisfactoryVery GoodVery Good526993.3
December 1995FairSatisfactorySatisfactoryVery Good526995.4
December 1994FairSatisfactorySatisfactoryVery Good540895.4
October 1993FairSatisfactorySatisfactoryVery Good512795.4
October 1992FairSatisfactorySatisfactoryVery Good512795.4
January 1992FairSatisfactorySatisfactoryVery Good492195.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.7637481500
Steel Protective Coatingsq. ft.6,8654,1192,74600
Reinforced Concrete Decksq. ft.6,5686,158503600
Wearing Surfacessq. ft.6,1386,138000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.1561263000
Reinforced Concrete Pier Caplinear ft.9898000
Movable Bearingeach1001000
Steel Protective Coatingsq. ft.1000100
Fixed Bearingeach1010000
Steel Protective Coatingsq. ft.1010000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3353251000
Reinforced Concrete Bridge Raillinear ft.35725710000