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I 15 over INT S MONTANA STREET

Map

Coordinates:
+45.99255, -112.53909
45°59'33" N, 112°32'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 15 over INT S MONTANA STREET
Structure number:I00015126+03162
Location:BUTTE
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:77.1 ft. [23.5 m]
Total length:168.0 ft. [51.2 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:31.8 ft. [9.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:2004
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,795 [as of 2015]
Truck traffic:15% 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:75.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$348,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactorySatisfactorySatisfactory679575.0
February 2015FairSatisfactorySatisfactorySatisfactory1192075.0
February 2013FairGoodSatisfactorySatisfactory1192075.0
February 2011FairGoodSatisfactorySatisfactory1192075.0
February 2009FairSatisfactorySatisfactorySatisfactory1141075.0
January 2007FairSatisfactorySatisfactorySatisfactory1253075.0
December 2004FairSatisfactorySatisfactorySatisfactory1355075.0
July 2003FairSatisfactorySatisfactorySatisfactory1280075.0
May 2001FairSatisfactorySatisfactorySatisfactory1280075.0
January 1999FairSatisfactorySatisfactorySatisfactory1296075.0
January 1997FairSatisfactorySatisfactorySatisfactory1134075.0
January 1995FairSatisfactorySatisfactorySatisfactory1087075.0
February 1993FairGoodSatisfactorySatisfactory1044075.0
January 1991FairSatisfactorySatisfactorySatisfactory926075.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.305030500
Steel Protective Coatingsq. ft.3,3552,6830336336
Prestressed Concrete Girder/Beamlinear ft.367365020
Deck
Reinforced Concrete Decksq. ft.5,3175,05126600
Wearing Surfacessq. ft.4,7042,8951,6561530
Substructure
Reinforced Concrete Columneach41120
Reinforced Concrete Abutmentlinear ft.82542530
Reinforced Concrete Pier Caplinear ft.56361460
Joints
Pourable Jointlinear ft.66004917
Bearings
Movable Bearingeach1201200
Steel Protective Coatingsq. ft.120039
Fixed Bearingeach40400
Steel Protective Coatingsq. ft.40013
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3382439500
Steel Protective Coatingsq. ft.1,08297405454