Round Valley Road over Thomes Creek
FairTehama County, California · 0.05 MI N Bly Ave · Structure no. 08C0030
- Built
- 1949
- 76 years old, rebuilt 1966
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 252 ft
- 5 main spans
- Daily traffic
- 210
- 2007 count
- Owner
- County
- County Highway Agency
About this bridge
Round Valley Road over Thomes Creek is a steel continuous stringer/multi-beam or girder carrying Round Valley Road over Thomes Creek in Tehama County, California. It was built in 1949 and reconstructed in 1966, so it is 76 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 210 vehicles a day, roughly 10% of them trucks, projected to reach 327 by 2047. The structure is 252 ft (76.8 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Round Valley Road over Thomes Creek built?
It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1966.
What condition is Round Valley Road over Thomes Creek 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 2025.
How much traffic does Round Valley Road over Thomes Creek carry?
About 210 vehicles per day (2007 count), of which roughly 10% are trucks.
How long is Round Valley Road over Thomes Creek?
The structure is 252 ft (76.8 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.
Who owns Round Valley Road over Thomes Creek?
It is owned by the County Highway Agency.