State Route 1 over Arroyo De LA Cruz
FairSan Luis Obispo County, California · 05-SLO-001-R66.87 · Structure no. 49 0056
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected September 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 308 ft
- 5 main spans
- Daily traffic
- 3,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Arroyo De LA Cruz is a concrete continuous tee beam carrying State Route 1 over Arroyo De LA Cruz in San Luis Obispo County, California. It was built in 1968, so it is 57 years old, older 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 3,000 vehicles a day, projected to reach 3,418 by 2045. The structure is 308 ft (93.9 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Arroyo De LA Cruz built?
It was built in 1968, making it 57 years old in 2025.
What condition is State Route 1 over Arroyo De LA Cruz 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 September 2023.
How much traffic does State Route 1 over Arroyo De LA Cruz carry?
About 3,000 vehicles per day (2009 count).
How long is State Route 1 over Arroyo De LA Cruz?
The structure is 308 ft (93.9 m) long with a longest span of 72 ft (21.9 m) and a deck 42 ft wide.
Who owns State Route 1 over Arroyo De LA Cruz?
It is owned by the State Highway Agency.