N101-S405 CONNECTR over I 405 & N101-S405 RAMP


+34.16108, -118.46930
34°09'40" N, 118°28'09" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N101-S405 CONNECTR over I 405 & N101-S405 RAMP
Structure number:53 1146G
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:91.9 ft. [28.0 m]
Total length:228.0 ft. [69.5 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:25.3 ft. [7.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1958
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
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 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:35,000 [as of 2009]
Truck traffic:3% 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:Equal to present minimum criteria [6]
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:90.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018GoodGoodGoodGood3500090.5
April 2016GoodVery GoodGoodVery Good3500090.5
April 2014GoodGoodGoodGood3500090.6
April 2012GoodGoodGoodGood3500090.6
June 2010FairFairGoodGood3500089.5
April 2008FairFairGoodGood1770191.2
April 2006FairFairGoodGood1770191.2
April 2004FairSatisfactoryGoodGood1770192.3
November 2002FairSatisfactoryGoodGood1770192.3
May 2000FairSatisfactoryGoodGood1770192.3
April 1998FairSatisfactoryGoodGood1770192.3
April 1996GoodGoodGoodGood1770192.6
August 1994GoodGoodGoodGood1770192.6
August 1992GoodGoodGoodGood2810091.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.6966300
Reinforced Concrete Top Flangesq. ft.540540000
Concrete Protective Coatingsq. ft.540540000
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.2525000
Pourable Jointlinear ft.2525000
Fixed Bearingeach88000
Steel Protective Coatingsq. ft.44000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.150150000