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I 90 over INT GREYCLIFF

Map

Coordinates:
+45.76932, -109.79356
45°46'10" N, 109°47'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 over INT GREYCLIFF
Structure number:I00090378+00342
Location:GREYCLIFF
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:57.1 ft. [17.4 m]
Total length:128.0 ft. [39.0 m]
Roadway width between curbs:41.7 ft. [12.7 m]
Deck width edge-to-edge:43.6 ft. [13.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
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 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:7,830 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:96.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2015GoodGoodGoodGood783096.3
September 2011FairSatisfactoryGoodGood783096.6
September 2007FairSatisfactoryGoodGood630095.7
October 2003FairSatisfactoryGoodGood726096.7
January 2002FairSatisfactoryGoodGood726096.7
May 1998FairSatisfactoryGoodGood666096.7
May 1994FairSatisfactoryGoodGood603096.5
January 1992GoodGoodVery GoodGood651096.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.6406080320
Deck
Reinforced Concrete Decksq. ft.5,5765,576000
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.108862200
Reinforced Concrete Pier Caplinear ft.8282000
Bearings
Fixed Bearingeach2020000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.256256000