State Route 1 over Kern Ave Chorro Creek
FairSan Luis Obispo County, California · 05-SLO-001-21.14 · Structure no. 49 0063
- Built
- 1942
- 83 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 395 ft
- 4 main spans
- Daily traffic
- 19,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Kern Ave Chorro Creek is a steel continuous stringer/multi-beam or girder carrying State Route 1 over Kern Ave Chorro Creek in San Luis Obispo County, California. It was built in 1942, so it is 83 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 19,000 vehicles a day, projected to reach 34,805 by 2043. The structure is 395 ft (120.4 m) long and 64 ft wide. If it were closed, the detour would be 13 mi (21 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 Kern Ave Chorro Creek built?
It was built in 1942, making it 83 years old in 2025.
What condition is State Route 1 over Kern Ave Chorro 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 September 2023.
How much traffic does State Route 1 over Kern Ave Chorro Creek carry?
About 19,000 vehicles per day (2009 count).
How long is State Route 1 over Kern Ave Chorro Creek?
The structure is 395 ft (120.4 m) long with a longest span of 112 ft (34.2 m) and a deck 64 ft wide.
Who owns State Route 1 over Kern Ave Chorro Creek?
It is owned by the State Highway Agency.