I 15 SBL over I 86 EB RAMP


+42.91383, -112.44106
42°54'50" N, 112°26'28" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 15 SBL over I 86 EB RAMP
Structure number:000000000011285
Location:2.9 N. POCATELLO
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:98.1 ft. [29.9 m]
Total length:229.0 ft. [69.8 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:51°
Owner:State Highway Agency [01]
Year built:1962
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
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:Bituminous [6]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:16,000 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
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:68.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,700,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018PoorSatisfactoryPoorSatisfactory1600068.9
June 2017PoorSatisfactoryPoorSatisfactory1500069.0
June 2016PoorSatisfactoryPoorSatisfactory1500069.0
June 2015PoorSatisfactoryPoorSatisfactory1400069.0
June 2014PoorSatisfactoryPoorSatisfactory1400069.0
June 2013PoorSatisfactoryPoorSatisfactory1400069.0
June 2012PoorSatisfactoryPoorSatisfactory1400066.9
June 2011PoorSatisfactoryPoorSatisfactory1450066.9
June 2010PoorSatisfactoryPoorSatisfactory1450066.9
June 2009PoorGoodPoorSatisfactory1450066.9
June 2008PoorGoodPoorSatisfactory1450066.9
June 2006FairGoodSatisfactorySatisfactory1400093.9
June 2004FairGoodSatisfactorySatisfactory1400093.9
June 2002FairGoodGoodSatisfactory1350094.9
June 2000FairGoodGoodSatisfactory1700094.9
June 1998FairGoodGoodSatisfactory1700094.9
June 1996FairGoodGoodSatisfactory1600094.9
June 1994GoodGoodGoodGood1600094.9
June 1992GoodGoodGoodGood1114094.9
January 1991GoodGoodGoodGood1114094.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,1911,1569233
Reinforced Concrete Decksq. ft.9,1608,605460950
Wearing Surfacessq. ft.8,7028,702000
Reinforced Concrete Columneach85030
Reinforced Concrete Abutmentlinear ft.125819350
Reinforced Concrete Pier Caplinear ft.125115550
Pourable Jointlinear ft.2532014480
Elastomeric Bearingeach2315800
Movable Bearingeach70700
Steel Protective Coatingsq. ft.1400014
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.458303135200
Steel Protective Coatingsq. ft.3,1903,07000120