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I 90 over INT GREYCLIFF

Map

Coordinates:
+45.76917, -109.79391
45°46'09" N, 109°47'38" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 over INT GREYCLIFF
Structure number:I00090378+00341
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:13.1 ft. [4.0 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: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,765 [as of 2016]
Truck traffic:23% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 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: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:95.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairGoodGoodSatisfactory476595.8
October 2015GoodGoodVery GoodGood783096.3
September 2011FairSatisfactoryVery GoodGood783096.6
September 2007FairSatisfactoryVery GoodGood630095.7
October 2003FairSatisfactoryVery GoodGood726096.7
January 2002FairSatisfactoryVery GoodGood726096.7
May 1998FairSatisfactoryVery GoodGood666096.7
May 1994FairSatisfactoryVery GoodGood603094.5
January 1992FairSatisfactoryVery GoodGood651094.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.6406271300
Deck
Reinforced Concrete Decksq. ft.5,5762,7882,78800
Concrete Protective Coatingsq. ft.5,5765,576000
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.108268200
Reinforced Concrete Pier Caplinear ft.8274260
Bearings
Fixed Bearingeach2018200
Steel Protective Coatingsq. ft.2018200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.256256000