San Ysidro Blvd over N Branch Mesa Creek
GoodSan Diego County, California · 600 Ft E/O Dairy Mart RD · Structure no. 57C0165
- Built
- 1955
- 70 years old, rebuilt 1984
- Condition
- Good
- inspected June 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 52 ft
- 4 main spans
- Daily traffic
- 20,395
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
San Ysidro Blvd over N Branch Mesa Creek is a concrete continuous culvert carrying San Ysidro Blvd over N Branch Mesa Creek in San Diego County, California. It was built in 1955 and reconstructed in 1984, so it is 70 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 20,395 vehicles a day, roughly 3% of them trucks, projected to reach 30,082 by 2040. The structure is 52 ft (15.8 m) long and 92 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 |
|---|---|---|
| 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 San Ysidro Blvd over N Branch Mesa Creek built?
It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1984.
What condition is San Ysidro Blvd over N Branch Mesa 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 2022.
How much traffic does San Ysidro Blvd over N Branch Mesa Creek carry?
About 20,395 vehicles per day (2018 count), of which roughly 3% are trucks.
How long is San Ysidro Blvd over N Branch Mesa Creek?
The structure is 52 ft (15.8 m) long with a longest span of 12 ft (3.7 m) and a deck 92 ft wide.
Who owns San Ysidro Blvd over N Branch Mesa Creek?
It is owned by the City or Municipal Highway Agency.