US 101 NB over S405-S101 CONNECTOR RAMP


+34.16214, -118.47073
34°09'44" N, 118°28'15" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 101 NB over S405-S101 CONNECTOR RAMP
Structure number:53 1147R
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:78.1 ft. [23.8 m]
Total length:179.1 ft. [54.6 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:79.7 ft. [24.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:50°
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1971
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:Prestressed concrete [5]
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:229,750 [as of 2009]
Truck traffic:10% 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:79.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018GoodGoodGoodGood22975079.0
April 2016GoodVery GoodVery GoodVery Good22975079.0
April 2014GoodGoodVery GoodGood22975079.0
April 2012GoodGoodVery GoodGood15400079.0
June 2010FairFairVery GoodGood15400078.0
April 2008FairFairVery GoodGood15400078.0
April 2006FairFairVery GoodGood15400078.0
April 2004GoodGoodVery GoodGood15400079.0
November 2002GoodGoodVery GoodGood15205082.0
May 2000GoodGoodVery GoodGood15205082.0
April 1996GoodGoodVery GoodGood15205082.0
August 1994GoodGoodGoodGood15400083.0
August 1992GoodGoodGoodGood14850085.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.5555000
Reinforced Concrete Closed Web/Box Girderlinear ft.5555000
Prestressed Concrete Top Flangesq. ft.216216000
Reinforced Concrete Top Flangesq. ft.1,1141,114000
Reinforced Concrete Columneach1010000
Reinforced Concrete Abutmentlinear ft.7272000
Reinforced Concrete Pileeach8383000
Pourable Jointlinear ft.7272000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.105105000