South Barretta ST over Sonora Creek
FairTuolumne County, California · 100 North of Theall · Structure no. 32C0015
- Built
- 1920
- 105 years old, rebuilt 1983
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Steel
- Length
- 25 ft
- 1 main span
- Daily traffic
- 2,000
- 2009 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South Barretta ST over Sonora Creek is a steel slab carrying South Barretta ST over Sonora Creek in Tuolumne County, California. It was built in 1920 and reconstructed in 1983, so it is 105 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 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 5,414 by 2042. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was South Barretta ST over Sonora Creek built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1983.
What condition is South Barretta ST over Sonora 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 May 2024.
How much traffic does South Barretta ST over Sonora Creek carry?
About 2,000 vehicles per day (2009 count), of which roughly 2% are trucks.
How long is South Barretta ST over Sonora Creek?
The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.
Who owns South Barretta ST over Sonora Creek?
It is owned by the City or Municipal Highway Agency.