Sour Grass Road over Interstate 5
FairTehama County, California · 02-TEH-005-R3.52 · Structure no. 08 0126
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 192 ft
- 2 main spans
- Daily traffic
- 100
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Sour Grass Road over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Sour Grass Road over Interstate 5 in Tehama County, California. It was built in 1966, 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 fair condition with a lowest component rating of 5 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 327 by 2042. The structure is 192 ft (58.5 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sour Grass Road over Interstate 5 built?
It was built in 1966, making it 59 years old in 2025.
What condition is Sour Grass Road over Interstate 5 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 Sour Grass Road over Interstate 5 carry?
About 100 vehicles per day (2015 count), of which roughly 3% are trucks.
How long is Sour Grass Road over Interstate 5?
The structure is 192 ft (58.5 m) long with a longest span of 95 ft (29 m) and a deck 34 ft wide.
Who owns Sour Grass Road over Interstate 5?
It is owned by the State Highway Agency.