US Bridges

Interstate 405 over Sawtelle Blvd

Good

Los Angeles County, California · 07-LA-405-27.08-CLC · Structure no. 53 1403

Built
1960
65 years old, rebuilt 2009
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
144 ft
2 main spans
Daily traffic
278,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 405 over Sawtelle Blvd is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Sawtelle Blvd in Los Angeles County, California. It was built in 1960 and reconstructed in 2009, so it is 65 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 278,000 vehicles a day, roughly 4% of them trucks, projected to reach 424,622 by 2043. The structure is 144 ft (43.9 m) long and 197 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesInterstate 405
CrossesSawtelle Blvd
Location07-LA-405-27.08-CLC
RouteInterstate 405
Coordinates34.00131, -118.40947
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating107.5 US tons
Inventory rating64.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span71 ft (21.6 m)
Deck width197 ft (60 m)
Roadway width194 ft (59 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic278,000 (2020)
Projected traffic424,622 by 2043
Trucks4%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Interstate 405 over Sawtelle Blvd built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2009.

What condition is Interstate 405 over Sawtelle Blvd 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 February 2025.

How much traffic does Interstate 405 over Sawtelle Blvd carry?

About 278,000 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Interstate 405 over Sawtelle Blvd?

The structure is 144 ft (43.9 m) long with a longest span of 71 ft (21.6 m) and a deck 197 ft wide.

Who owns Interstate 405 over Sawtelle Blvd?

It is owned by the State Highway Agency.