State Route 273 over Sacramento River
FairShasta County, California · 02-SHA-273-17.08-RDG · Structure no. 06 0014
- Built
- 1935
- 90 years old, rebuilt 1961
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 788 ft
- 8 main spans
- Daily traffic
- 18,750
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 273 over Sacramento River is a steel continuous stringer/multi-beam or girder carrying State Route 273 over Sacramento River in Shasta County, California. It was built in 1935 and reconstructed in 1961, so it is 90 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 18,750 vehicles a day, roughly 5% of them trucks, projected to reach 31,526 by 2041. The structure is 788 ft (240.2 m) long and 75 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 273 over Sacramento River built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1961.
What condition is State Route 273 over Sacramento River 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 273 over Sacramento River carry?
About 18,750 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is State Route 273 over Sacramento River?
The structure is 788 ft (240.2 m) long with a longest span of 108 ft (32.9 m) and a deck 75 ft wide.
Who owns State Route 273 over Sacramento River?
It is owned by the State Highway Agency.