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I 90 over ABANDONED RR

Map

Coordinates:
+46.26297, -112.75347
46°15'47" N, 112°45'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 over ABANDONED RR
Structure number:I00090195+07131
Location:9.3M S DEER LODGE
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:152.9 ft. [46.6 m]
Total length:394.0 ft. [120.1 m]
Roadway width between curbs:41.3 ft. [12.6 m]
Deck width edge-to-edge:44.3 ft. [13.5 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:31°
Owner:State Highway Agency [01]
Year built:1978
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]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,249 [as of 2017]
Truck traffic:21% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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]
Underclearances appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:95.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairSatisfactorySatisfactorySatisfactory424995.8
October 2016FairSatisfactorySatisfactorySatisfactory416597.8
October 2014FairSatisfactoryGoodGood767097.6
October 2012FairSatisfactoryGoodGood767097.6
November 2010FairSatisfactoryGoodGood767097.6
November 2008FairSatisfactoryGoodGood820097.6
January 2007GoodGoodVery GoodVery Good814097.6
January 2005GoodGoodVery GoodVery Good749097.7
June 2003GoodGoodVery GoodVery Good855097.6
April 2001GoodGoodVery GoodVery Good855097.6
February 1999GoodGoodVery GoodVery Good665097.7
February 1997GoodGoodVery GoodVery Good663097.7
February 1995GoodGoodVery GoodVery Good667097.5
June 1993GoodGoodVery GoodVery Good778097.4
November 1990FairFairGoodSatisfactory700096.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,9591,81414500
Steel Protective Coatingsq. ft.31,34423,8216,269627627
Deck
Reinforced Concrete Decksq. ft.17,41617,06834800
Wearing Surfacessq. ft.17,4167,4385,1994,7790
Concrete Protective Coatingsq. ft.17,41609,97907,437
Substructure
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.1411261230
Reinforced Concrete Pier Caplinear ft.95771800
Joints
Strip Seal Jointlinear ft.9809800
Bearings
Movable Bearingeach1501500
Steel Protective Coatingsq. ft.1511022
Fixed Bearingeach50500
Steel Protective Coatingsq. ft.53011
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.78766712000