State Route 4 over Six Mile Creek
GoodCalaveras County, California · 10-CAL-004-24.03 · Structure no. 30 0009
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected May 2021
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 6,950
- 2004 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 over Six Mile Creek is a concrete continuous slab carrying State Route 4 over Six Mile Creek in Calaveras County, California. It was built in 1961, so it is 64 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 6,950 vehicles a day, roughly 5% of them trucks, projected to reach 8,941 by 2041. The structure is 78 ft (23.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 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 4 over Six Mile Creek built?
It was built in 1961, making it 64 years old in 2025.
What condition is State Route 4 over Six Mile 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 2021.
How much traffic does State Route 4 over Six Mile Creek carry?
About 6,950 vehicles per day (2004 count), of which roughly 5% are trucks.
How long is State Route 4 over Six Mile Creek?
The structure is 78 ft (23.8 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.
Who owns State Route 4 over Six Mile Creek?
It is owned by the State Highway Agency.