US Bridges

S405-E10 Connector over W10-S405 I 10 Sepulveda

Good

Los Angeles County, California · 07-LA-405-29.62-LA · Structure no. 53 1629F

Built
1963
62 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
1,315 ft
10 main spans
Daily traffic
23,003
2019 count
Owner
State
State Highway Agency

About this bridge

S405-E10 Connector over W10-S405 I 10 Sepulveda is a concrete continuous box beam or girders - single or spread carrying S405-E10 Connector over W10-S405 I 10 Sepulveda in Los Angeles County, California. It was built in 1963, so it is 62 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 23,003 vehicles a day, roughly 2% of them trucks, projected to reach 31,505 by 2040. The structure is 1,315 ft (400.8 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesS405-E10 Connector
CrossesW10-S405 I 10 Sepulveda
Location07-LA-405-29.62-LA
RouteInterstate 405
CountyLos Angeles County
StateCalifornia
Coordinates34.03171, -118.43471
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length1,315 ft (400.8 m)
Longest span150 ft (45.7 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic23,003 (2019)
Projected traffic31,505 by 2040
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S405-E10 Connector over W10-S405 I 10 Sepulveda built?

It was built in 1963, making it 62 years old in 2025.

What condition is S405-E10 Connector over W10-S405 I 10 Sepulveda in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does S405-E10 Connector over W10-S405 I 10 Sepulveda carry?

About 23,003 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is S405-E10 Connector over W10-S405 I 10 Sepulveda?

The structure is 1,315 ft (400.8 m) long with a longest span of 150 ft (45.7 m) and a deck 40 ft wide.

Who owns S405-E10 Connector over W10-S405 I 10 Sepulveda?

It is owned by the State Highway Agency.