Interstate 5 SB over Obrien Road
FairShasta County, California · 02-SHA-005-R32.16L · Structure no. 06 0148L
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected February 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 9,150
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over Obrien Road is a concrete continuous tee beam carrying Interstate 5 SB over Obrien Road in Shasta County, California. It was built in 1968, so it is 57 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 6 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 9,150 vehicles a day, roughly 28% of them trucks, projected to reach 17,810 by 2041. The structure is 120 ft (36.5 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 SB over Obrien Road built?
It was built in 1968, making it 57 years old in 2025.
What condition is Interstate 5 SB over Obrien Road 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 February 2024.
How much traffic does Interstate 5 SB over Obrien Road carry?
About 9,150 vehicles per day (2009 count), of which roughly 28% are trucks.
How long is Interstate 5 SB over Obrien Road?
The structure is 120 ft (36.5 m) long with a longest span of 48 ft (14.5 m) and a deck 43 ft wide.
Who owns Interstate 5 SB over Obrien Road?
It is owned by the State Highway Agency.