State Route 79 over Descanso Creek
FairSan Diego County, California · 11-SD-079-2.57 · Structure no. 57 0157
- Built
- 1946
- 79 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 3,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 79 over Descanso Creek is a concrete slab carrying State Route 79 over Descanso Creek in San Diego County, California. It was built in 1946, so it is 79 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,200 vehicles a day, roughly 1% of them trucks, projected to reach 5,300 by 2045. The structure is 28 ft (8.5 m) long and 30 ft wide. If it were closed, the detour would be 44.7 mi (72 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 State Route 79 over Descanso Creek built?
It was built in 1946, making it 79 years old in 2025.
What condition is State Route 79 over Descanso Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does State Route 79 over Descanso Creek carry?
About 3,200 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is State Route 79 over Descanso Creek?
The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 30 ft wide.
Who owns State Route 79 over Descanso Creek?
It is owned by the State Highway Agency.