SD050 over MARNE CK


+42.87179, -97.38121
42°52'18" N, 97°22'52" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD050 over MARNE CK
Structure number:000000068129205
Location:0.8 E JCT US 81
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:42.7 ft. [13.0 m]
Total length:119.1 ft. [36.3 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:55.1 ft. [16.8 m]
Skew angle:26°
Owner:State Highway Agency [01]
Year built:1971
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:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:8,940 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:67.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactorySatisfactoryGood894067.4
February 2015FairSatisfactorySatisfactoryGood922667.4
February 2013FairSatisfactorySatisfactoryGood916767.4
February 2011FairSatisfactorySatisfactoryGood881567.4
January 2009FairSatisfactorySatisfactoryGood883267.4
November 2006FairSatisfactorySatisfactoryGood955067.4
January 2005FairSatisfactorySatisfactoryGood996564.4
January 2003FairSatisfactorySatisfactoryGood1029564.4
February 2001FairSatisfactorySatisfactoryGood1093564.4
February 1999FairSatisfactorySatisfactoryGood1017064.4
March 1997FairSatisfactorySatisfactoryGood876564.4
December 1994FairSatisfactorySatisfactoryGood886764.4
February 1993FairSatisfactorySatisfactoryGood1074064.4
February 1991FairSatisfactorySatisfactoryGood813064.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.180172800
Reinforced Concrete Pier Caplinear ft.145145000
Compression Jointlinear ft.110110000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.115115000
Steel Protective Coatingsq. ft.250250000
Reinforced Concrete Bridge Raillinear ft.2406916470
Reinforced Concrete Slabsq. ft.6,5586,43812000
Wearing Surfacessq. ft.6,5586,558000