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IRR/N94 over COW CREEK

Map

Coordinates:
+42.12808, -96.50162
42°07'41" N, 96°30'06" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR/N94 over COW CREEK
Structure number:S094 01122
Location:2SW WALTHILL
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:67.9 ft. [20.7 m]
Total length:180.1 ft. [54.9 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1986
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
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:Low slump Concrete [4]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:750 [as of 2018]
Truck traffic:13% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:69.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairGoodSatisfactoryGood75069.6
September 2016FairGoodSatisfactoryGood85562.3
September 2014FairGoodSatisfactoryGood85562.3
August 2012FairGoodSatisfactoryGood82565.0
October 2010FairGoodSatisfactoryGood77065.0
October 2008FairGoodSatisfactoryGood77065.0
October 2006FairGoodSatisfactoryGood82072.5
May 2004FairGoodSatisfactoryGood79572.5
October 2002FairGoodSatisfactoryVery Good85072.4
April 2000FairGoodSatisfactoryVery Good80572.5
April 1998FairGoodSatisfactoryVery Good80572.5
April 1996FairVery GoodSatisfactoryVery Good79573.5
April 1994FairVery GoodSatisfactoryVery Good71579.8
April 1992FairExcellentSatisfactoryVery Good72579.8
February 1990FairExcellentSatisfactoryVery Good72579.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.900342540180
Steel Protective Coatingsq. ft.6,7506,10506450
Deck
Reinforced Concrete Decksq. ft.5,6305,27003600
Wearing Surfacessq. ft.4,7684,7383000
Superstructure
Steel Pin or Pin & Hangar Assemblyeach100640
Substructure
Reinforced Concrete Columneach42200
Reinforced Concrete Abutmentlinear ft.1251000250
Reinforced Concrete Pier Caplinear ft.6464000
Joints
Strip Seal Jointlinear ft.60500100
Compression Jointlinear ft.6060000
Bearings
Movable Bearingeach1010000
Fixed Bearingeach1000100
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.367036700