1st ST over Interstate 5
GoodShasta County, California · 02-SHA-005-0.66 · Structure no. 06 0016
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 229 ft
- 4 main spans
- Daily traffic
- 1,700
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
1st ST over Interstate 5 is a concrete continuous box beam or girders - multiple carrying 1st ST over Interstate 5 in Shasta County, California. It was built in 1964, so it is 61 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 1,700 vehicles a day, roughly 2% of them trucks, projected to reach 2,252 by 2044. The structure is 229 ft (69.8 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 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 1st ST over Interstate 5 built?
It was built in 1964, making it 61 years old in 2025.
What condition is 1st ST over Interstate 5 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 1st ST over Interstate 5 carry?
About 1,700 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is 1st ST over Interstate 5?
The structure is 229 ft (69.8 m) long with a longest span of 78 ft (23.9 m) and a deck 40 ft wide.
Who owns 1st ST over Interstate 5?
It is owned by the State Highway Agency.