US 101 NB over S405-S101 CONNECTOR RAMP


+34.16333, -118.46833
34°09'48" N, 118°28'06" 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:15.1 ft. [4.6 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: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: April 2016 

Status:Open, no restriction [A]
Average daily traffic:229,750 [as of 2009]
Truck traffic:10% 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: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]
Operating rating:84.5 tons [76.8 metric tons]
Inventory rating:50.9 tons [46.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:79.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,229,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201679.0Functionally obsoleteVery GoodVery GoodVery Good229750
April 201479.0Functionally obsoleteGoodVery GoodGood229750
April 201279.0Functionally obsoleteGoodVery GoodGood154000
June 201078.0Functionally obsoleteFairVery GoodGood154000
April 200878.0Functionally obsoleteFairVery GoodGood154000
April 200678.0Functionally obsoleteFairVery GoodGood154000
April 200479.0Functionally obsoleteGoodVery GoodGood154000
November 200282.0Not deficientGoodVery GoodGood152050
May 200082.0Not deficientGoodVery GoodGood152050
April 199682.0Not deficientGoodVery GoodGood152050
August 199483.0Not deficientGoodGoodGood154000
August 199285.0Not deficientGoodGoodGood148500