County RD 30 over Drain a
GoodGlenn County, California · 0.01 MI E of RD P · Structure no. 11C0210
- Built
- 1950
- 75 years old, rebuilt 1965
- Condition
- Good
- inspected February 2025
- Type
- Slab
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 310
- 2005 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 30 over Drain a is a concrete continuous slab carrying County RD 30 over Drain a in Glenn County, California. It was built in 1950 and reconstructed in 1965, so it is 75 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 310 vehicles a day, roughly 20% of them trucks, projected to reach 399 by 2047. The structure is 26 ft (7.9 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 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 County RD 30 over Drain a built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1965.
What condition is County RD 30 over Drain a 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 February 2025.
How much traffic does County RD 30 over Drain a carry?
About 310 vehicles per day (2005 count), of which roughly 20% are trucks.
How long is County RD 30 over Drain a?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.
Who owns County RD 30 over Drain a?
It is owned by the County Highway Agency.