State Route 273 over Oregon Gulch
FairShasta County, California · 02-SHA-273-13.88-RDG · Structure no. 06 0011
- Built
- 1942
- 83 years old, rebuilt 1994
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 87 ft
- 4 main spans
- Daily traffic
- 23,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 273 over Oregon Gulch is a concrete continuous slab carrying State Route 273 over Oregon Gulch in Shasta County, California. It was built in 1942 and reconstructed in 1994, 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 23,000 vehicles a day, roughly 4% of them trucks, projected to reach 35,164 by 2041. The structure is 87 ft (26.5 m) long and 93 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 273 over Oregon Gulch built?
It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1994.
What condition is State Route 273 over Oregon Gulch 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 April 2023.
How much traffic does State Route 273 over Oregon Gulch carry?
About 23,000 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is State Route 273 over Oregon Gulch?
The structure is 87 ft (26.5 m) long with a longest span of 21 ft (6.5 m) and a deck 93 ft wide.
Who owns State Route 273 over Oregon Gulch?
It is owned by the State Highway Agency.