US Bridges

Interstate 405 over Normandie Ave & RR

Fair

Los Angeles County, California · 07-LA-405-13.83-LA · Structure no. 53 1179

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
208 ft
3 main spans
Daily traffic
269,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 405 over Normandie Ave & RR is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Normandie Ave & RR in Los Angeles County, California. It was built in 1962, so it is 63 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 5 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 269,000 vehicles a day, roughly 5% of them trucks, projected to reach 328,685 by 2046. The structure is 208 ft (63.4 m) long and 172 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesInterstate 405
CrossesNormandie Ave & RR
Location07-LA-405-13.83-LA
RouteInterstate 405
CountyLos Angeles County
StateCalifornia
Coordinates33.86012, -118.29892
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span90 ft (27.4 m)
Deck width172 ft (52.4 m)
Roadway width144 ft (43.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic269,000 (2019)
Projected traffic328,685 by 2046
Trucks5%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 Normandie Ave & RR built?

It was built in 1962, making it 63 years old in 2025.

What condition is Interstate 405 over Normandie Ave & RR 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 May 2024.

How much traffic does Interstate 405 over Normandie Ave & RR carry?

About 269,000 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Interstate 405 over Normandie Ave & RR?

The structure is 208 ft (63.4 m) long with a longest span of 90 ft (27.4 m) and a deck 172 ft wide.

Who owns Interstate 405 over Normandie Ave & RR?

It is owned by the State Highway Agency.