US Bridges

Skirball Center DR over Route 405

Good

Los Angeles County, California · 07-LA-405-36.71-LA · Structure no. 53 3052

Built
2013
12 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
267 ft
3 main spans
Daily traffic
18,000
2019 count
Owner
State
State Highway Agency

About this bridge

Skirball Center DR over Route 405 is a prestressed concrete stringer/multi-beam or girder carrying Skirball Center DR over Route 405 in Los Angeles County, California. It was built in 2013, so it is 12 years old, younger 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 18,000 vehicles a day, roughly 5% of them trucks, projected to reach 24,632 by 2040. The structure is 267 ft (81.4 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSkirball Center DR
CrossesRoute 405
Location07-LA-405-36.71-LA
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.12277, -118.47907
Functional classUrban Other Principal Arterial

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length267 ft (81.4 m)
Longest span118 ft (36.1 m)
Deck width90 ft (27.3 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2019)
Projected traffic24,632 by 2040
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Skirball Center DR over Route 405 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Skirball Center DR over Route 405 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 June 2023.

How much traffic does Skirball Center DR over Route 405 carry?

About 18,000 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Skirball Center DR over Route 405?

The structure is 267 ft (81.4 m) long with a longest span of 118 ft (36.1 m) and a deck 90 ft wide.

Who owns Skirball Center DR over Route 405?

It is owned by the State Highway Agency.