Century BL-N405 on over N405-MANCHESTER Bl Offrp
FairLos Angeles County, California · 07-LA-405-22.53-ING · Structure no. 53 1522S
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete
- Length
- 135 ft
- 1 main span
- Daily traffic
- 11,200
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Century BL-N405 on over N405-MANCHESTER Bl Offrp is a concrete slab carrying Century BL-N405 on over N405-MANCHESTER Bl Offrp in Los Angeles County, California. It was built in 1963, so it is 62 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 11,200 vehicles a day, roughly 5% of them trucks, projected to reach 13,140 by 2042. The structure is 135 ft (41.1 m) long and 54 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Century BL-N405 on over N405-MANCHESTER Bl Offrp built?
It was built in 1963, making it 62 years old in 2025.
What condition is Century BL-N405 on over N405-MANCHESTER Bl Offrp 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 Century BL-N405 on over N405-MANCHESTER Bl Offrp carry?
About 11,200 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Century BL-N405 on over N405-MANCHESTER Bl Offrp?
The structure is 135 ft (41.1 m) long with a longest span of 128 ft (39 m) and a deck 54 ft wide.
Who owns Century BL-N405 on over N405-MANCHESTER Bl Offrp?
It is owned by the State Highway Agency.