State Route 49 over Smithneck Creek
GoodSierra County, California · 03-SIE-049-60.54-LOY · Structure no. 13 0013
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 45 ft
- 3 main spans
- Daily traffic
- 1,900
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 49 over Smithneck Creek is a concrete continuous culvert carrying State Route 49 over Smithneck Creek in Sierra County, California. It was built in 1965, so it is 60 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 1,900 vehicles a day, roughly 18% of them trucks, projected to reach 2,703 by 2046. The structure is 45 ft (13.7 m) long and 42 ft wide. If it were closed, the detour would be 70.2 mi (113 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 49 over Smithneck Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is State Route 49 over Smithneck Creek 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 State Route 49 over Smithneck Creek carry?
About 1,900 vehicles per day (2015 count), of which roughly 18% are trucks.
How long is State Route 49 over Smithneck Creek?
The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m) and a deck 42 ft wide.
Who owns State Route 49 over Smithneck Creek?
It is owned by the State Highway Agency.