State Route 3 over Etna Creek
FairSiskiyou County, California · 02-SIS-003-20.44 · Structure no. 02 0169
- Built
- 1959
- 66 years old, rebuilt 1992
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 183 ft
- 3 main spans
- Daily traffic
- 880
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 3 over Etna Creek is a concrete continuous tee beam carrying State Route 3 over Etna Creek in Siskiyou County, California. It was built in 1959 and reconstructed in 1992, so it is 66 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 6 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 880 vehicles a day, roughly 30% of them trucks, projected to reach 1,024 by 2042. The structure is 183 ft (55.8 m) long and 35 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 3 over Etna Creek built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1992.
What condition is State Route 3 over Etna 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 2024.
How much traffic does State Route 3 over Etna Creek carry?
About 880 vehicles per day (2015 count), of which roughly 30% are trucks.
How long is State Route 3 over Etna Creek?
The structure is 183 ft (55.8 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.
Who owns State Route 3 over Etna Creek?
It is owned by the State Highway Agency.