Interstate 805 over Telegraph Canyon Drain
PoorSan Diego County, California · 11-SD-805-6.12-CHV · Structure no. 57 0865
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 3 main spans
- Daily traffic
- 250,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 805 over Telegraph Canyon Drain is a concrete continuous culvert carrying Interstate 805 over Telegraph Canyon Drain in San Diego County, California. It was built in 1971, so it is 54 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 250,000 vehicles a day, roughly 7% of them trucks, projected to reach 273,000 by 2042. The structure is 27 ft (8.2 m) long.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 805 over Telegraph Canyon Drain built?
It was built in 1971, making it 54 years old in 2025.
What condition is Interstate 805 over Telegraph Canyon Drain in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does Interstate 805 over Telegraph Canyon Drain carry?
About 250,000 vehicles per day (2020 count), of which roughly 7% are trucks.
How long is Interstate 805 over Telegraph Canyon Drain?
The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m).
Who owns Interstate 805 over Telegraph Canyon Drain?
It is owned by the State Highway Agency.