Third Avenue over Route 5
FairSan Diego County, California · 11-SD-005-R16.47-SD · Structure no. 57 0407
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 179 ft
- 2 main spans
- Daily traffic
- 13,100
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Third Avenue over Route 5 is a concrete continuous box beam or girders - multiple carrying Third Avenue over Route 5 in San Diego County, California. It was built in 1962, so it is 63 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 13,100 vehicles a day, roughly 2% of them trucks, projected to reach 15,456 by 2040. The structure is 179 ft (54.6 m) long and 73 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Third Avenue over Route 5 built?
It was built in 1962, making it 63 years old in 2025.
What condition is Third Avenue over Route 5 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 2023.
How much traffic does Third Avenue over Route 5 carry?
About 13,100 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Third Avenue over Route 5?
The structure is 179 ft (54.6 m) long with a longest span of 88 ft (26.8 m) and a deck 73 ft wide.
Who owns Third Avenue over Route 5?
It is owned by the State Highway Agency.