N805-MIRA Mesa Off over Mira Mesa Blvd
FairSan Diego County, California · 11-SD-805-27.07 · Structure no. 57 0785S
- Built
- 1994
- 31 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 166 ft
- 1 main span
- Daily traffic
- 17,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
N805-MIRA Mesa Off over Mira Mesa Blvd is a prestressed concrete box beam or girders - multiple carrying N805-MIRA Mesa Off over Mira Mesa Blvd in San Diego County, California. It was built in 1994, so it is 31 years old, younger 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 17,000 vehicles a day, roughly 7% of them trucks, projected to reach 18,000 by 2042. The structure is 166 ft (50.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N805-MIRA Mesa Off over Mira Mesa Blvd built?
It was built in 1994, making it 31 years old in 2025.
What condition is N805-MIRA Mesa Off over Mira Mesa Blvd 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 October 2024.
How much traffic does N805-MIRA Mesa Off over Mira Mesa Blvd carry?
About 17,000 vehicles per day (2020 count), of which roughly 7% are trucks.
How long is N805-MIRA Mesa Off over Mira Mesa Blvd?
The structure is 166 ft (50.6 m) long with a longest span of 165 ft (50.3 m) and a deck 36 ft wide.
Who owns N805-MIRA Mesa Off over Mira Mesa Blvd?
It is owned by the State Highway Agency.