US 30 over US 30/US 93 INTERCHANGE


+42.56361, -114.57500
42°33'49" N, 114°34'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 30 over US 30/US 93 INTERCHANGE
Structure number:000000000013608
Location:US 30/US 93 JUNCTION
Purpose:Carries highway overpass over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:149.9 ft. [45.7 m]
Total length:151.9 ft. [46.3 m]
Roadway width between curbs:71.9 ft. [21.9 m]
Deck width edge-to-edge:74.2 ft. [22.6 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1997
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Main span material:Prestressed concrete [5]
Main span design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:10,000 [as of 2015]
Truck traffic:4% of total traffic
Deck condition:Good [7 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:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:100.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017GoodGoodGoodGood10000100.0
April 2015GoodGoodGoodGood10000100.0
April 2013GoodGoodGoodGood10000100.0
April 2012GoodGoodGoodGood10500100.0
April 2011GoodGoodGoodGood9600100.0
April 2010GoodGoodGoodGood9600100.0
April 2009GoodGoodGoodGood9800100.0
April 2008GoodGoodGoodGood9800100.0
April 2007GoodGoodGoodGood9200100.0
April 2005GoodGoodGoodGood7700100.0
April 2003GoodVery GoodVery GoodVery Good7700100.0
April 2001GoodVery GoodVery GoodVery Good7700100.0
April 1999GoodVery GoodVery GoodVery Good1000098.0
December 1997GoodExcellentExcellentExcellent1000098.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.151145600
Prestressed Concrete Top Flangesq. ft.11,26311,2333000
Wearing Surfacessq. ft.10,92810,9160012
Concrete Protective Coatingsq. ft.10,92810,9160012
Reinforced Concrete Abutmentlinear ft.148148000
Pourable Jointlinear ft.144000144
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.304301300