State Route 1 over Old Creek Road
GoodSan Luis Obispo County, California · 05-SLO-001-R34.91 · Structure no. 49 0197
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected September 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 176 ft
- 3 main spans
- Daily traffic
- 9,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Old Creek Road is a concrete continuous tee beam carrying State Route 1 over Old Creek Road in San Luis Obispo County, California. It was built in 1965, so it is 60 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 9,000 vehicles a day, projected to reach 10,451 by 2043. The structure is 176 ft (53.6 m) long and 89 ft wide. If it were closed, the detour would be 3.1 mi (5 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Old Creek Road built?
It was built in 1965, making it 60 years old in 2025.
What condition is State Route 1 over Old Creek Road 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 September 2023.
How much traffic does State Route 1 over Old Creek Road carry?
About 9,000 vehicles per day (2009 count).
How long is State Route 1 over Old Creek Road?
The structure is 176 ft (53.6 m) long with a longest span of 76 ft (23.2 m) and a deck 89 ft wide.
Who owns State Route 1 over Old Creek Road?
It is owned by the State Highway Agency.