State Route 1 over Old Creek
GoodSan Luis Obispo County, California · 05-SLO-001-34.46 · Structure no. 49 0274R
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Prestressed Concrete Continuous
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 7,300
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Old Creek is a prestressed concrete continuous slab carrying State Route 1 over Old Creek in San Luis Obispo County, California. It was built in 2023, so it is 2 years old, younger 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 7,300 vehicles a day, roughly 5% of them trucks, projected to reach 9,500 by 2043. The structure is 192 ft (58.5 m) long and 43 ft wide. If it were closed, the detour would be 26.1 mi (42 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Old Creek built?
It was built in 2023, making it 2 years old in 2025.
What condition is State Route 1 over Old 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 September 2023.
How much traffic does State Route 1 over Old Creek carry?
About 7,300 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is State Route 1 over Old Creek?
The structure is 192 ft (58.5 m) long with a longest span of 62 ft (19 m) and a deck 43 ft wide.
Who owns State Route 1 over Old Creek?
It is owned by the State Highway Agency.