State Route 58 over San Juan Creek
GoodSan Luis Obispo County, California · 05-SLO-058-35.49 · Structure no. 49 0098
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected May 2022
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 300 ft
- 4 main spans
- Daily traffic
- 440
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 58 over San Juan Creek is a concrete continuous box beam or girders - multiple carrying State Route 58 over San Juan Creek in San Luis Obispo County, California. It was built in 1985, so it is 40 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 440 vehicles a day, projected to reach 1,425 by 2044. The structure is 300 ft (91.4 m) long and 35 ft wide. If it were closed, the detour would be 60.3 mi (97 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 58 over San Juan Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is State Route 58 over San Juan 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 2022.
How much traffic does State Route 58 over San Juan Creek carry?
About 440 vehicles per day (2009 count).
How long is State Route 58 over San Juan Creek?
The structure is 300 ft (91.4 m) long with a longest span of 86 ft (26.2 m) and a deck 35 ft wide.
Who owns State Route 58 over San Juan Creek?
It is owned by the State Highway Agency.