Interstate 5 NB over Metrolink UP RR San Fern
GoodLos Angeles County, California · 07-LA-005-R44.87 · Structure no. 53 1984R
- Built
- 1971
- 54 years old, rebuilt 2008
- Condition
- Good
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 543 ft
- 2 main spans
- Daily traffic
- 140,539
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over Metrolink UP RR San Fern is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 5 NB over Metrolink UP RR San Fern in Los Angeles County, California. It was built in 1971 and reconstructed in 2008, so it is 54 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 140,539 vehicles a day, roughly 9% of them trucks, projected to reach 173,165 by 2043. The structure is 543 ft (165.5 m) long and 143 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 NB over Metrolink UP RR San Fern built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2008.
What condition is Interstate 5 NB over Metrolink UP RR San Fern 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 5 NB over Metrolink UP RR San Fern carry?
About 140,539 vehicles per day (2018 count), of which roughly 9% are trucks.
How long is Interstate 5 NB over Metrolink UP RR San Fern?
The structure is 543 ft (165.5 m) long with a longest span of 160 ft (48.8 m) and a deck 143 ft wide.
Who owns Interstate 5 NB over Metrolink UP RR San Fern?
It is owned by the State Highway Agency.