N15-E78 Conn Oc over Metcalf Street
FairSan Diego County, California · 11-SD-015-R31.50-ESD · Structure no. 57 0825G
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 179 ft
- 1 main span
- Daily traffic
- 9,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N15-E78 Conn Oc over Metcalf Street is a prestressed concrete box beam or girders - multiple carrying N15-E78 Conn Oc over Metcalf Street in San Diego County, California. It was built in 1977, so it is 48 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 9,000 vehicles a day, roughly 2% of them trucks, projected to reach 12,000 by 2042. The structure is 179 ft (54.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N15-E78 Conn Oc over Metcalf Street built?
It was built in 1977, making it 48 years old in 2025.
What condition is N15-E78 Conn Oc over Metcalf Street 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 March 2024.
How much traffic does N15-E78 Conn Oc over Metcalf Street carry?
About 9,000 vehicles per day (2018 count), of which roughly 2% are trucks.
How long is N15-E78 Conn Oc over Metcalf Street?
The structure is 179 ft (54.6 m) long with a longest span of 178 ft (54.3 m) and a deck 31 ft wide.
Who owns N15-E78 Conn Oc over Metcalf Street?
It is owned by the State Highway Agency.