Rancho Parkway over Bolas Creek
GoodSan Diego County, California · 0.2 MI E RTE I-15 · Structure no. 57C0578
- Built
- 1950
- 75 years old, rebuilt 1985
- Condition
- Good
- inspected February 2024
- Type
- Culvert
- Concrete
- Length
- 39 ft
- 3 main spans
- Daily traffic
- 47,900
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Rancho Parkway over Bolas Creek is a concrete culvert carrying Rancho Parkway over Bolas Creek in San Diego County, California. It was built in 1950 and reconstructed in 1985, so it is 75 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 47,900 vehicles a day, roughly 2% of them trucks, projected to reach 50,000 by 2042. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rancho Parkway over Bolas Creek built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1985.
What condition is Rancho Parkway over Bolas 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 February 2024.
How much traffic does Rancho Parkway over Bolas Creek carry?
About 47,900 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Rancho Parkway over Bolas Creek?
The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).
Who owns Rancho Parkway over Bolas Creek?
It is owned by the City or Municipal Highway Agency.