Mesa Grande RD over N Fk Santa Ysabel Creek
GoodSan Diego County, California · 250 Ft W/O SR 79 · Structure no. 57C0363
- Built
- 1935
- 90 years old, rebuilt 1961
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 447
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Mesa Grande RD over N Fk Santa Ysabel Creek is a steel stringer/multi-beam or girder carrying Mesa Grande RD over N Fk Santa Ysabel Creek in San Diego County, California. It was built in 1935 and reconstructed in 1961, so it is 90 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 447 vehicles a day, roughly 2% of them trucks, projected to reach 471 by 2044. The structure is 30 ft (9.1 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 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 Mesa Grande RD over N Fk Santa Ysabel Creek built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1961.
What condition is Mesa Grande RD over N Fk Santa Ysabel 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 December 2024.
How much traffic does Mesa Grande RD over N Fk Santa Ysabel Creek carry?
About 447 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Mesa Grande RD over N Fk Santa Ysabel Creek?
The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 37 ft wide.
Who owns Mesa Grande RD over N Fk Santa Ysabel Creek?
It is owned by the County Highway Agency.