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 

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. ratingEvaluationDeckSuper.Sub.ADT
October 201594.3Not deficientVery GoodVery GoodVery Good40000
October 201394.3Not deficientGoodGoodGood40000
October 201194.3Not deficientGoodGoodGood40000
October 200990.1Functionally obsoleteGoodGoodGood40000
March 200890.1Functionally obsoleteGoodGoodGood40000
August 200690.1Functionally obsoleteGoodGoodGood40000
January 200490.1Functionally obsoleteSatisfactoryGoodGood40000
December 200190.1Functionally obsoleteSatisfactoryGoodGood40000
June 200090.1Functionally obsoleteSatisfactoryGoodGood40000
20000.0Not applicable----
January 199677.1Functionally obsoleteVery GoodVery GoodVery Good40000
April 199277.1Functionally obsoleteVery GoodVery GoodVery Good40000
March 199077.1Functionally obsoleteVery GoodVery GoodVery Good40000