Wire Mountain RD over Interstate 5
PoorSan Diego County, California · 11-SD-005-R54.79-OCN · Structure no. 57 0580
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 215 ft
- 2 main spans
- Daily traffic
- 17,900
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Wire Mountain RD over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Wire Mountain RD over Interstate 5 in San Diego County, California. It was built in 1967, so it is 58 years old, older 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 17,900 vehicles a day, roughly 2% of them trucks, projected to reach 30,064 by 2045. The structure is 215 ft (65.5 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
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 |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wire Mountain RD over Interstate 5 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Wire Mountain RD over Interstate 5 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 April 2024.
How much traffic does Wire Mountain RD over Interstate 5 carry?
About 17,900 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Wire Mountain RD over Interstate 5?
The structure is 215 ft (65.5 m) long with a longest span of 107 ft (32.6 m) and a deck 34 ft wide.
Who owns Wire Mountain RD over Interstate 5?
It is owned by the State Highway Agency.