I-15 (SR-15) SBL over CO.RD. NO.of SUMMIT INT.


+37.80886, -112.93658
37°48'32" N, 112°56'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-15 (SR-15) SBL over CO.RD. NO.of SUMMIT INT.
Structure number:3F 281
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:65.6 ft. [20.0 m]
Total length:156.2 ft. [47.6 m]
Roadway width between curbs:40.4 ft. [12.3 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:31°
Owner:State Highway Agency [01]
Year built:1973
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
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: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:21,585 [as of 2014]
Truck traffic:45% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:86.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairGoodSatisfactorySatisfactory2158586.9
March 2015GoodGoodGoodGood983590.0
March 2013FairSatisfactorySatisfactoryGood975797.5
March 2011FairSatisfactoryFairGood943886.5
February 2009FairSatisfactoryFairGood943886.5
March 2007FairSatisfactorySatisfactoryGood884497.6
April 2005FairSatisfactorySatisfactoryGood884497.6
March 2003FairSatisfactoryGoodGood751597.7
March 2001FairSatisfactoryGoodGood704592.6
February 1999FairSatisfactoryGoodGood704592.6
February 1997FairSatisfactoryGoodGood506592.7
March 1995FairSatisfactoryGoodGood506597.6
February 1993FairSatisfactoryGoodGood461095.7
March 1991FairSatisfactoryVery GoodVery Good440795.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.7607391290
Reinforced Concrete Decksq. ft.6,7476,470232450
Reinforced Concrete Columneach43100
Reinforced Concrete Abutmentlinear ft.10296600
Reinforced Concrete Pier Caplinear ft.102791490
Elastomeric Bearingeach30141600
Bridge Rail
Other Material Bridge Raillinear ft.359035405