State Route 3 over Dobbins Gulch
GoodTrinity County, California · 02-TRI-003-0.54 · Structure no. 05 0042
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 495
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 3 over Dobbins Gulch is a concrete slab carrying State Route 3 over Dobbins Gulch in Trinity County, California. It was built in 1959, so it is 66 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 495 vehicles a day, roughly 13% of them trucks, projected to reach 528 by 2046. The structure is 32 ft (9.8 m) long and 31 ft wide. If it were closed, the detour would be 31.7 mi (51 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 3 over Dobbins Gulch built?
It was built in 1959, making it 66 years old in 2025.
What condition is State Route 3 over Dobbins Gulch 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 August 2024.
How much traffic does State Route 3 over Dobbins Gulch carry?
About 495 vehicles per day (2009 count), of which roughly 13% are trucks.
How long is State Route 3 over Dobbins Gulch?
The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.
Who owns State Route 3 over Dobbins Gulch?
It is owned by the State Highway Agency.