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


+33.97333, -118.38000
33°58'24" N, 118°22'48" 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:20.0 ft. [6.1 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 2015 

Status:Open, no restriction [A]
Average daily traffic:10,000 [as of 2015]
Truck traffic:1% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
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]
Operating rating:58.9 tons [53.5 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:91.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201591.0Functionally obsoleteVery GoodVery GoodVery Good10000
June 201391.0Functionally obsoleteGoodVery GoodVery Good10000
June 201191.0Functionally obsoleteGoodVery GoodVery Good10000
June 200991.0Functionally obsoleteGoodVery GoodGood10000
December 200791.0Functionally obsoleteGoodVery GoodGood10000
May 200691.0Functionally obsoleteGoodVery GoodGood10000
April 200491.0Functionally obsoleteGoodVery GoodGood10000
April 200291.0Not deficientGoodVery GoodGood10000
April 200192.0Not deficientGoodVery GoodGood-
20000.0Not applicable---272000
June 199792.0Not deficientGoodVery GoodVery Good-
September 199492.0Not deficientGoodVery GoodGood-