Marmion Way over Arroyo Seco Channel
GoodLos Angeles County, California · At SR 110 · Structure no. 53C1879
- Built
- 1940
- 85 years old
- Condition
- Good
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 105 ft
- 1 main span
- Daily traffic
- 570
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Marmion Way over Arroyo Seco Channel is a concrete continuous tee beam carrying Marmion Way over Arroyo Seco Channel in Los Angeles County, California. It was built in 1940, so it is 85 years old, older 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 570 vehicles a day, roughly 1% of them trucks, projected to reach 885 by 2042. The structure is 105 ft (32 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Marmion Way over Arroyo Seco Channel built?
It was built in 1940, making it 85 years old in 2025.
What condition is Marmion Way over Arroyo Seco Channel 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 September 2024.
How much traffic does Marmion Way over Arroyo Seco Channel carry?
About 570 vehicles per day (2016 count), of which roughly 1% are trucks.
How long is Marmion Way over Arroyo Seco Channel?
The structure is 105 ft (32 m) long with a longest span of 77 ft (23.5 m) and a deck 46 ft wide.
Who owns Marmion Way over Arroyo Seco Channel?
It is owned by the City or Municipal Highway Agency.