N405-HUGHES PKWY over I 405, & ON- RAMPS


+33.97472, -118.38439
33°58'29" N, 118°23'04" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N405-HUGHES PKWY over I 405, & ON- RAMPS
Structure number:53 2724S
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:198.2 ft. [60.4 m]
Total length:987.9 ft. [301.1 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:35.4 ft. [10.8 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:State Highway Agency [01]
Year built:1994
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:6
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:10,000 [as of 2015]
Truck traffic:1% 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:91.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017GoodGoodGoodGood1000091.0
June 2015GoodVery GoodVery GoodVery Good1000091.0
June 2013GoodGoodVery GoodVery Good1000091.0
June 2011GoodGoodVery GoodVery Good1000091.0
June 2009GoodGoodVery GoodGood1000091.0
December 2007GoodGoodVery GoodGood1000091.0
May 2006GoodGoodVery GoodGood1000091.0
April 2004GoodGoodVery GoodGood1000091.0
April 2002GoodGoodVery GoodGood1000091.0
April 2001GoodGoodVery GoodGood-92.0
June 1997GoodGoodVery GoodVery Good-92.0
September 1994GoodGoodVery GoodGood-92.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.301301000
Reinforced Concrete Top Flangesq. ft.2,9372,937000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.2323000
Prestressed Concrete Pileeach118118000
Reinforced Concrete Pileeach11000
Strip Seal Jointlinear ft.2323000
Assembly with Sealeach1212000
Elastomeric Bearingeach1212000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.603603000