Platina RD over Duncan Creek
GoodShasta County, California · Pm 11.35 MI E SR 36 · Structure no. 06C0025
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 100 ft
- 2 main spans
- Daily traffic
- 233
- 1999 count
- Owner
- County
- County Highway Agency
About this bridge
Platina RD over Duncan Creek is a concrete continuous tee beam carrying Platina RD over Duncan Creek in Shasta County, California. It was built in 1975, so it is 50 years old, younger 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 233 vehicles a day, roughly 5% of them trucks, projected to reach 375 by 2044. The structure is 100 ft (30.5 m) long and 32 ft wide. If it were closed, the detour would be 72.1 mi (116 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Platina RD over Duncan Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is Platina RD over Duncan 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 September 2024.
How much traffic does Platina RD over Duncan Creek carry?
About 233 vehicles per day (1999 count), of which roughly 5% are trucks.
How long is Platina RD over Duncan Creek?
The structure is 100 ft (30.5 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.
Who owns Platina RD over Duncan Creek?
It is owned by the County Highway Agency.