I 90 over SEP S-271


+46.64804, -113.11838
46°38'53" N, 113°07'06" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 over SEP S-271
Structure number:I00090155+07872
Location:1.2M E DRUMMOND
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:45.9 ft. [14.0 m]
Total length:129.9 ft. [39.6 m]
Roadway width between curbs:36.7 ft. [11.2 m]
Deck width edge-to-edge:39.4 ft. [12.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1966
Year reconstructed:2003
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: May 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,370 [as of 2015]
Truck traffic:22% of total traffic
Deck condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:94.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016FairSatisfactoryGoodGood437094.8
May 2014GoodVery GoodGoodGood848094.6
May 2012GoodVery GoodGoodGood848094.6
May 2010GoodVery GoodGoodGood848094.6
April 2008FairGoodSatisfactoryGood864094.6
April 2006FairSatisfactoryVery GoodGood840094.6
June 2002FairSatisfactoryVery GoodGood717093.7
April 1998FairSatisfactoryVery GoodGood879093.6
March 1994FairSatisfactoryVery GoodGood587094.5
November 1991GoodGoodVery GoodGood725094.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.640634600
Reinforced Concrete Decksq. ft.5,1344,58455000
Concrete Protective Coatingsq. ft.5,1342,014003,120
Reinforced Concrete Columneach43100
Reinforced Concrete Abutmentlinear ft.105101310
Reinforced Concrete Pier Caplinear ft.7979000
Fixed Bearingeach3003000
Steel Protective Coatingsq. ft.3000264
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.259253600