CO.RD.-BIG FIELDS over I-15 (SR-15) NBL & S


+37.88250, -112.80444
37°52'57" N, 112°48'16" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CO.RD.-BIG FIELDS over I-15 (SR-15) NBL & S
Structure number:0P 2
Location:2.1 MI.NO.NO.PAROWAN INT.
Purpose:Carries highway over highway
Route classification:Minor Collector (Rural) [08]
Length of largest span:159.5 ft. [48.6 m]
Total length:326.8 ft. [99.6 m]
Roadway width between curbs:30.5 ft. [9.3 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:38°
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:2
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:500 [as of 2012]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairGoodGoodSatisfactory50089.3
March 2015GoodGoodGoodGood50089.3
March 2013GoodGoodGoodGood2593.8
March 2011GoodGoodGoodGood5093.5
February 2009GoodGoodGoodVery Good2893.7
March 2007GoodGoodGoodVery Good2293.8
April 2005GoodGoodGoodVery Good2293.8
March 2003GoodGoodGoodVery Good2293.8
March 2001GoodGoodGoodVery Good1288.9
February 1999GoodGoodGoodVery Good1288.9
February 1997GoodGoodGoodVery Good12586.7
March 1995GoodGoodGoodVery Good12592.1
February 1993GoodGoodGoodVery Good10092.3
March 1991GoodGoodVery GoodVery Good10091.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.324317250
Reinforced Concrete Top Flangesq. ft.11,11310,49761600
Reinforced Concrete Pier Walllinear ft.1614020
Reinforced Concrete Abutmentlinear ft.86464000
Assembly with Sealeach8600860
Movable Bearingeach80800
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.758075800