Interstate 5 SB over State Route 273
GoodShasta County, California · 02-SHA-005-R3.82 · Structure no. 06 0139L
- Built
- 1966
- 59 years old, rebuilt 2011
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 158 ft
- 3 main spans
- Daily traffic
- 19,500
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over State Route 273 is a concrete continuous box beam or girders - multiple carrying Interstate 5 SB over State Route 273 in Shasta County, California. It was built in 1966 and reconstructed in 2011, so it is 59 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 19,500 vehicles a day, roughly 12% of them trucks, projected to reach 47,084 by 2044. The structure is 158 ft (48.3 m) long and 59 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 SB over State Route 273 built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2011.
What condition is Interstate 5 SB over State Route 273 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does Interstate 5 SB over State Route 273 carry?
About 19,500 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is Interstate 5 SB over State Route 273?
The structure is 158 ft (48.3 m) long with a longest span of 71 ft (21.7 m) and a deck 59 ft wide.
Who owns Interstate 5 SB over State Route 273?
It is owned by the State Highway Agency.