Mission Avenue over Mission Knoll Creek
GoodSan Diego County, California · 650FT W/O Airport RD · Structure no. 57C0732
- Built
- 1943
- 82 years old, rebuilt 1966
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 5 main spans
- Daily traffic
- 22,900
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mission Avenue over Mission Knoll Creek is a concrete culvert carrying Mission Avenue over Mission Knoll Creek in San Diego County, California. It was built in 1943 and reconstructed in 1966, so it is 82 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 22,900 vehicles a day, roughly 5% of them trucks, projected to reach 25,000 by 2040. The structure is 33 ft (10.1 m) long. 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mission Avenue over Mission Knoll Creek built?
It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1966.
What condition is Mission Avenue over Mission Knoll Creek 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 June 2023.
How much traffic does Mission Avenue over Mission Knoll Creek carry?
About 22,900 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Mission Avenue over Mission Knoll Creek?
The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m).
Who owns Mission Avenue over Mission Knoll Creek?
It is owned by the City or Municipal Highway Agency.