State Route 3 over Shasta River
GoodSiskiyou County, California · 02-SIS-003-51.76 · Structure no. 02 0044
- Built
- 1959
- 66 years old, rebuilt 1993
- Condition
- Good
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 126 ft
- 3 main spans
- Daily traffic
- 2,900
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 3 over Shasta River is a concrete continuous tee beam carrying State Route 3 over Shasta River in Siskiyou County, California. It was built in 1959 and reconstructed in 1993, 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 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 2,900 vehicles a day, roughly 5% of them trucks, projected to reach 3,582 by 2042. The structure is 126 ft (38.4 m) long and 44 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 | 7 Good | Some minor problems. |
| 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 3 over Shasta River built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.
What condition is State Route 3 over Shasta River 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 September 2024.
How much traffic does State Route 3 over Shasta River carry?
About 2,900 vehicles per day (2015 count), of which roughly 5% are trucks.
How long is State Route 3 over Shasta River?
The structure is 126 ft (38.4 m) long with a longest span of 41 ft (12.4 m) and a deck 44 ft wide.
Who owns State Route 3 over Shasta River?
It is owned by the State Highway Agency.