Magnolia Ave over San Diego River
GoodSan Diego County, California · 0.6M N/O Mission Gorge RD · Structure no. 57C0417
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 500 ft
- 12 main spans
- Daily traffic
- 21,629
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Magnolia Ave over San Diego River is a concrete continuous slab carrying Magnolia Ave over San Diego River in San Diego County, California. It was built in 1978, so it is 47 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 21,629 vehicles a day, roughly 4% of them trucks, projected to reach 23,070 by 2041. The structure is 500 ft (152.4 m) long and 72 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Magnolia Ave over San Diego River built?
It was built in 1978, making it 47 years old in 2025.
What condition is Magnolia Ave over San Diego River 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 March 2024.
How much traffic does Magnolia Ave over San Diego River carry?
About 21,629 vehicles per day (2016 count), of which roughly 4% are trucks.
How long is Magnolia Ave over San Diego River?
The structure is 500 ft (152.4 m) long with a longest span of 41 ft (12.5 m) and a deck 72 ft wide.
Who owns Magnolia Ave over San Diego River?
It is owned by the City or Municipal Highway Agency.