Interstate 5 over Marietta Street
FairLos Angeles County, California · 07-LA-005-16.29-LA · Structure no. 53 0600
- Built
- 1948
- 77 years old, rebuilt 2011
- Condition
- Fair
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 134 ft
- 3 main spans
- Daily traffic
- 258,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 over Marietta Street is a concrete continuous box beam or girders - multiple carrying Interstate 5 over Marietta Street in Los Angeles County, California. It was built in 1948 and reconstructed in 2011, so it is 77 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 258,000 vehicles a day, roughly 7% of them trucks, projected to reach 267,602 by 2045. The structure is 134 ft (40.8 m) long and 107 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 over Marietta Street built?
It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2011.
What condition is Interstate 5 over Marietta Street 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 January 2025.
How much traffic does Interstate 5 over Marietta Street carry?
About 258,000 vehicles per day (2019 count), of which roughly 7% are trucks.
How long is Interstate 5 over Marietta Street?
The structure is 134 ft (40.8 m) long with a longest span of 55 ft (16.8 m) and a deck 107 ft wide.
Who owns Interstate 5 over Marietta Street?
It is owned by the State Highway Agency.