Whitmore RD over Old Cow Creek
FairShasta County, California · 0.4 MI E of W End Fern RD · Structure no. 06C0014
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 112 ft
- 3 main spans
- Daily traffic
- 750
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Whitmore RD over Old Cow Creek is a concrete continuous slab carrying Whitmore RD over Old Cow Creek in Shasta County, California. It was built in 1954, so it is 71 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 750 vehicles a day, roughly 5% of them trucks, projected to reach 836 by 2041. The structure is 112 ft (34.1 m) long and 28 ft wide. If it were closed, the detour would be 24.9 mi (40 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Whitmore RD over Old Cow Creek built?
It was built in 1954, making it 71 years old in 2025.
What condition is Whitmore RD over Old Cow Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.
How much traffic does Whitmore RD over Old Cow Creek carry?
About 750 vehicles per day (2014 count), of which roughly 5% are trucks.
How long is Whitmore RD over Old Cow Creek?
The structure is 112 ft (34.1 m) long with a longest span of 36 ft (11 m) and a deck 28 ft wide.
Who owns Whitmore RD over Old Cow Creek?
It is owned by the County Highway Agency.