Old HWY 80 over Boundary Creek
GoodSan Diego County, California · 2.5 MI W/O Carizo Gorge · Structure no. 57C0227
- Built
- 1931
- 94 years old
- Condition
- Good
- inspected January 2025
- Type
- Tee Beam
- Concrete
- Length
- 141 ft
- 4 main spans
- Daily traffic
- 1,055
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Old HWY 80 over Boundary Creek is a concrete tee beam carrying Old HWY 80 over Boundary Creek in San Diego County, California. It was built in 1931, so it is 94 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 1,055 vehicles a day, roughly 1% of them trucks, projected to reach 1,112 by 2045. The structure is 141 ft (42.9 m) long and 38 ft wide. If it were closed, the detour would be 8.1 mi (13 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Old HWY 80 over Boundary Creek built?
It was built in 1931, making it 94 years old in 2025.
What condition is Old HWY 80 over Boundary 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 January 2025.
How much traffic does Old HWY 80 over Boundary Creek carry?
About 1,055 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Old HWY 80 over Boundary Creek?
The structure is 141 ft (42.9 m) long with a longest span of 35 ft (10.7 m) and a deck 38 ft wide.
Who owns Old HWY 80 over Boundary Creek?
It is owned by the County Highway Agency.