I-15 (SR-15) NBL over COUNTY ROAD


+39.67511, -111.84911
39°40'30" N, 111°50'57" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-15 (SR-15) NBL over COUNTY ROAD
Structure number:1F 429
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:111.6 ft. [34.0 m]
Total length:115.2 ft. [35.1 m]
Roadway width between curbs:40.7 ft. [12.4 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:44°
Owner:State Highway Agency [01]
Year built:1984
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,275 [as of 2014]
Truck traffic:32% 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]
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:95.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryGoodGood1327595.4
March 2015FairSatisfactoryGoodGood733295.7
March 2013FairSatisfactoryGoodGood698395.7
March 2011FairSatisfactoryGoodGood704595.7
January 2009FairSatisfactoryGoodGood704595.7
November 2007FairSatisfactoryGoodGood631095.7
June 2005GoodGoodVery GoodGood631095.7
February 2003GoodGoodVery GoodGood580595.7
November 2000GoodGoodVery GoodGood520890.7
December 1998GoodGoodVery GoodGood520890.7
January 1997GoodGoodVery GoodGood383890.8
August 1995GoodGoodVery GoodGood383893.7
June 1993GoodGoodVery GoodGood360093.7
April 1991GoodGoodVery GoodGood296093.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.677675020
Reinforced Concrete Decksq. ft.5,0083,9281,000800
Reinforced Concrete Abutmentlinear ft.1231490190
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.292284620