+48.30061, -111.93597
48°18'02" N, 111°56'09" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 15 over PONDERA CANAL
Structure number:I00015347+08141
Location:9M N CONRAD
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:69.9 ft. [21.3 m]
Total length:73.2 ft. [22.3 m]
Roadway width between curbs:41.3 ft. [12.6 m]
Deck width edge-to-edge:44.3 ft. [13.5 m]
Skew angle:15°
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]
Main span material:Prestressed concrete [5]
Main span 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: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,710 [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:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:96.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactoryGoodGood171096.9
February 2013FairSatisfactoryGoodGood290097.9
March 2009GoodGoodGoodVery Good313097.9
April 2005GoodGoodGoodVery Good323097.9
April 2001GoodGoodVery GoodVery Good318097.9
April 1999GoodVery GoodVery GoodVery Good246097.9
December 1996GoodVery GoodVery GoodVery Good240097.9
October 1992GoodVery GoodVery GoodVery Good262097.8
January 1991GoodVery GoodVery GoodVery Good276097.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.489489000
Reinforced Concrete Decksq. ft.3,2293,02220700
Concrete Protective Coatingsq. ft.3,2293,229000
Reinforced Concrete Abutmentlinear ft.112112000
Fixed Bearingeach146800
Steel Protective Coatingsq. ft.1411201
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.148014800
Steel Protective Coatingsq. ft.24717250025