Share:

IS 29 S over TARKIO RVR

Map

Coordinates:
+40.23848, -95.42221
40°14'19" N, 95°25'20" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 29 S over TARKIO RVR
Structure number:2356
Location:S 28 T 63 N R 40 W
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:85.0 ft. [25.9 m]
Total length:443.9 ft. [135.3 m]
Roadway width between curbs:39.4 ft. [12.0 m]
Deck width edge-to-edge:42.3 ft. [12.9 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1973
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: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,988 [as of 2016]
Truck traffic:34% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:84.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactorySatisfactoryFair598884.5
March 2015FairSatisfactorySatisfactoryFair614484.4
March 2013FairSatisfactorySatisfactoryGood580395.5
November 2011FairSatisfactorySatisfactoryGood519997.0
December 2009FairSatisfactorySatisfactoryGood608697.2
December 2008FairFairGoodGood609096.2
January 2007FairSatisfactoryGoodGood615497.2
October 2004FairSatisfactoryGoodGood640197.2
January 2003FairSatisfactoryGoodGood673095.1
October 2001FairSatisfactoryGoodGood657295.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,2311,1051,113130
Steel Protective Coatingsq. ft.20,9281020,72713160
Deck
Reinforced Concrete Decksq. ft.18,87017,6071,26300
Wearing Surfacessq. ft.17,53816,66187700
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.1644212200
Concrete Protective Coatingsq. ft.28001400140
Steel Pileeach2802800
Steel Protective Coatingsq. ft.1,12026671412614
Reinforced Concrete Pier Caplinear ft.330321900
Joints
Strip Seal Jointlinear ft.108001080
Pourable Jointlinear ft.112111001
Bearings
Movable Bearingeach2551730
Steel Protective Coatingsq. ft.25010123
Fixed Bearingeach2520500
Steel Protective Coatingsq. ft.2502500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.888088800