State Route 49 over San Antonio Creek
GoodCalaveras County, California · 10-CAL-049-14.09 · Structure no. 30 0017
- Built
- 1934
- 91 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 152 ft
- 5 main spans
- Daily traffic
- 7,300
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 49 over San Antonio Creek is a steel stringer/multi-beam or girder carrying State Route 49 over San Antonio Creek in Calaveras County, California. It was built in 1934, so it is 91 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 7,300 vehicles a day, roughly 5% of them trucks, projected to reach 7,538 by 2045. The structure is 152 ft (46.2 m) long and 28 ft wide. If it were closed, the detour would be 4.3 mi (7 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 49 over San Antonio Creek built?
It was built in 1934, making it 91 years old in 2025.
What condition is State Route 49 over San Antonio 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 May 2023.
How much traffic does State Route 49 over San Antonio Creek carry?
About 7,300 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is State Route 49 over San Antonio Creek?
The structure is 152 ft (46.2 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.
Who owns State Route 49 over San Antonio Creek?
It is owned by the State Highway Agency.