State Route 78 over Coleman Creek
GoodSan Diego County, California · 11-SD-078-54.77 · Structure no. 57 0058
- Built
- 1947
- 78 years old
- Condition
- Good
- inspected May 2023
- Type
- Culvert
- Concrete
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 4,400
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 78 over Coleman Creek is a concrete culvert carrying State Route 78 over Coleman Creek in San Diego County, California. It was built in 1947, so it is 78 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,400 vehicles a day, roughly 8% of them trucks, projected to reach 12,201 by 2040. The structure is 25 ft (7.6 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 78 over Coleman Creek built?
It was built in 1947, making it 78 years old in 2025.
What condition is State Route 78 over Coleman Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.
How much traffic does State Route 78 over Coleman Creek carry?
About 4,400 vehicles per day (2014 count), of which roughly 8% are trucks.
How long is State Route 78 over Coleman Creek?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 44 ft wide.
Who owns State Route 78 over Coleman Creek?
It is owned by the State Highway Agency.