US Bridges

Interstate 405 over Santa Fe Ave

Fair

Los Angeles County, California · 07-LA-405-8.06-LBCH · Structure no. 53 1212

Built
1961
64 years old, rebuilt 1998
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
202 ft
4 main spans
Daily traffic
283,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 405 over Santa Fe Ave is a concrete continuous tee beam carrying Interstate 405 over Santa Fe Ave in Los Angeles County, California. It was built in 1961 and reconstructed in 1998, so it is 64 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 283,000 vehicles a day, roughly 4% of them trucks, projected to reach 316,738 by 2046. The structure is 202 ft (61.6 m) long and 191 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 405
CrossesSanta Fe Ave
Location07-LA-405-8.06-LBCH
RouteInterstate 405
CountyLos Angeles County
StateCalifornia
Coordinates33.82578, -118.21546
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating25.7 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span60 ft (18.3 m)
Deck width191 ft (58.3 m)
Roadway width184 ft (56.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283,000 (2019)
Projected traffic316,738 by 2046
Trucks4%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Santa Fe Ave built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1998.

What condition is Interstate 405 over Santa Fe Ave in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Interstate 405 over Santa Fe Ave carry?

About 283,000 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Interstate 405 over Santa Fe Ave?

The structure is 202 ft (61.6 m) long with a longest span of 60 ft (18.3 m) and a deck 191 ft wide.

Who owns Interstate 405 over Santa Fe Ave?

It is owned by the State Highway Agency.