State Route 99 over Singer Creek
FairTehama County, California · 02-TEH-099-0.23 · Structure no. 08 0156
- Built
- 1993
- 32 years old
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 193 ft
- 5 main spans
- Daily traffic
- 11,500
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 99 over Singer Creek is a concrete continuous slab carrying State Route 99 over Singer Creek in Tehama County, California. It was built in 1993, so it is 32 years old, younger 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 11,500 vehicles a day, roughly 9% of them trucks, projected to reach 16,629 by 2040. The structure is 193 ft (58.8 m) long and 44 ft wide. If it were closed, the detour would be 60.3 mi (97 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 99 over Singer Creek built?
It was built in 1993, making it 32 years old in 2025.
What condition is State Route 99 over Singer 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 March 2023.
How much traffic does State Route 99 over Singer Creek carry?
About 11,500 vehicles per day (2015 count), of which roughly 9% are trucks.
How long is State Route 99 over Singer Creek?
The structure is 193 ft (58.8 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.
Who owns State Route 99 over Singer Creek?
It is owned by the State Highway Agency.