State Route 49 over Sonora Creek
GoodTuolumne County, California · 10-TUO-049-17.80-SRA · Structure no. 32 0007
- Built
- 1947
- 78 years old
- Condition
- Good
- inspected September 2021
- Type
- Slab
- Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 11,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 49 over Sonora Creek is a concrete slab carrying State Route 49 over Sonora Creek in Tuolumne County, California. It was built in 1947, so it is 78 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 11,500 vehicles a day, roughly 7% of them trucks, projected to reach 12,564 by 2043. The structure is 37 ft (11.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 49 over Sonora Creek built?
It was built in 1947, making it 78 years old in 2025.
What condition is State Route 49 over Sonora 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 September 2021.
How much traffic does State Route 49 over Sonora Creek carry?
About 11,500 vehicles per day (2009 count), of which roughly 7% are trucks.
How long is State Route 49 over Sonora Creek?
The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 36 ft wide.
Who owns State Route 49 over Sonora Creek?
It is owned by the State Highway Agency.