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INTERSTATE 405 over IMPERIAL HIGHWAY

Los Angeles County, California

Map

Coordinates:
+33.93071, -118.36816
33°55'51" N, 118°22'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	INTERSTATE 405 over IMPERIAL HIGHWAY
Structure number:	53 1241
Location:	07-LA-405-R21.22-LA
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	101.1 ft. `[30.8 m]`
Total length:	158.1 ft. `[48.2 m]`
Roadway width between curbs:	159.1 ft. `[48.5 m]`
Deck width edge-to-edge:	172.6 ft. `[52.6 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1963
Year reconstructed:	1994
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:	3
Main spans material:	Concrete continuous `[2]`
Main spans design:	Box beam or girders - Multiple `[05]`
Deck type:	Concrete Cast-in-Place `[1]`

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	272,600 `[as of 2012]`
Truck traffic:	5% of total traffic
Deck condition:	Poor `[4 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:	Superior to present desirable criteria `[9]`
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:	80.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$4,255,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Poor	Poor	Good	Good	272600	80.0
May 2015	Fair	Satisfactory	Very Good	Very Good	272600	83.0
May 2013	Good	Good	Good	Good	272600	83.0
May 2011	Good	Good	Good	Good	272600	83.0
May 2009	Good	Good	Good	Good	272600	83.0
November 2007	Good	Good	Good	Good	272600	83.0
April 2006	Good	Good	Good	Good	272600	83.0
April 2004	Good	Good	Good	Good	272600	83.0
March 2002	Good	Good	Good	Good	272600	83.0
March 2001	Good	Good	Good	Good	272600	83.0
September 1998	Good	Good	Good	Good	272600	83.0
August 1995	Good	Very Good	Very Good	Very Good	264400	96.0
November 1989	Good	Very Good	Very Good	Very Good	265000	96.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Reinforced Concrete Closed Web/Box Girder	linear ft.	96	96	0	0	0
Deck
Reinforced Concrete Top Flange	sq. ft.	2,350	350	0	2,000	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	102	102	0	0	0
Reinforced Concrete Abutment	linear ft.	102	102	0	0	0
Joints
Pourable Joint	linear ft.	105	105	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	195	195	0	0	0

© Copyright 2012-19, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1054702