N405-E&W118 CONN over I 405, SR 118, CHATSWRTH


+34.26667, -118.47167
34°16'00" N, 118°28'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:N405-E&W118 CONN over I 405, SR 118, CHATSWRTH
Structure number:53 2216G
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:194.9 ft. [59.4 m]
Total length:3753.1 ft. [1143.9 m]
Roadway width between curbs:62.3 ft. [19.0 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1977
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:9
Main spans material:Prestressed concrete continuous [6]
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: October 2015 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:40,000 [as of 2014]
Truck traffic:5% 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:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:85.8 tons [78.0 metric tons]
Inventory rating:35.9 tons [32.6 metric tons]
Sufficiency rating:94.3

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201594.3GoodVery GoodVery GoodVery Good-40000
October 201394.3GoodGoodGoodGood-40000
October 201194.3GoodGoodGoodGood-40000
October 200990.1GoodGoodGoodGoodFO40000
March 200890.1GoodGoodGoodGoodFO40000
August 200690.1GoodGoodGoodGoodFO40000
January 200490.1FairSatisfactoryGoodGoodFO40000
December 200190.1FairSatisfactoryGoodGoodFO40000
June 200090.1FairSatisfactoryGoodGoodFO40000
January 199677.1GoodVery GoodVery GoodVery GoodFO40000
April 199277.1GoodVery GoodVery GoodVery GoodFO40000
March 199077.1GoodVery GoodVery GoodVery GoodFO40000