Interstate 5 over Shasta River
GoodSiskiyou County, California · 02-SIS-005-R22.62 · Structure no. 02 0123R
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 186 ft
- 3 main spans
- Daily traffic
- 7,800
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 over Shasta River is a steel stringer/multi-beam or girder carrying Interstate 5 over Shasta River in Siskiyou County, California. It was built in 1960, so it is 65 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 7,800 vehicles a day, roughly 33% of them trucks, projected to reach 12,283 by 2045. The structure is 186 ft (56.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 over Shasta River built?
It was built in 1960, making it 65 years old in 2025.
What condition is Interstate 5 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 July 2024.
How much traffic does Interstate 5 over Shasta River carry?
About 7,800 vehicles per day (2024 count), of which roughly 33% are trucks.
How long is Interstate 5 over Shasta River?
The structure is 186 ft (56.6 m) long with a longest span of 65 ft (19.7 m) and a deck 42 ft wide.
Who owns Interstate 5 over Shasta River?
It is owned by the State Highway Agency.