State Route 58 over Navajo Creek
FairSan Luis Obispo County, California · 05-SLO-058-R29.92 · Structure no. 49 0170
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 2 main spans
- Daily traffic
- 495
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 58 over Navajo Creek is a concrete continuous slab carrying State Route 58 over Navajo Creek in San Luis Obispo County, California. It was built in 1984, so it is 41 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 495 vehicles a day, roughly 17% of them trucks, projected to reach 1,425 by 2044. The structure is 78 ft (23.9 m) long and 36 ft wide. If it were closed, the detour would be 49.7 mi (80 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Navajo Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is State Route 58 over Navajo Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does State Route 58 over Navajo Creek carry?
About 495 vehicles per day (2009 count), of which roughly 17% are trucks.
How long is State Route 58 over Navajo Creek?
The structure is 78 ft (23.9 m) long with a longest span of 38 ft (11.6 m) and a deck 36 ft wide.
Who owns State Route 58 over Navajo Creek?
It is owned by the State Highway Agency.