Cannon Road E/B over Macario Canyon
FairSan Diego County, California · 1.25 M E/O I-5 · Structure no. 57C0763R
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 454 ft
- 5 main spans
- Daily traffic
- 9,497
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Cannon Road E/B over Macario Canyon is a prestressed concrete continuous box beam or girders - multiple carrying Cannon Road E/B over Macario Canyon in San Diego County, California. It was built in 2003, so it is 22 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 5 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 9,497 vehicles a day, roughly 3% of them trucks, projected to reach 12,695 by 2040. The structure is 454 ft (138.5 m) long and 40 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cannon Road E/B over Macario Canyon built?
It was built in 2003, making it 22 years old in 2025.
What condition is Cannon Road E/B over Macario Canyon 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 August 2023.
How much traffic does Cannon Road E/B over Macario Canyon carry?
About 9,497 vehicles per day (2017 count), of which roughly 3% are trucks.
How long is Cannon Road E/B over Macario Canyon?
The structure is 454 ft (138.5 m) long with a longest span of 101 ft (30.8 m) and a deck 40 ft wide.
Who owns Cannon Road E/B over Macario Canyon?
It is owned by the City or Municipal Highway Agency.