Hillgate Road over Whiskey Creek
FairColusa County, California · 0.3 MI E Whiskey Creek RD · Structure no. 15C0031
- Built
- 1930
- 95 years old, rebuilt 1965
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 484
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Hillgate Road over Whiskey Creek is a concrete tee beam carrying Hillgate Road over Whiskey Creek in Colusa County, California. It was built in 1930 and reconstructed in 1965, so it is 95 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 484 vehicles a day, roughly 10% of them trucks, projected to reach 642 by 2042. The structure is 24 ft (7.3 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hillgate Road over Whiskey Creek built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1965.
What condition is Hillgate Road over Whiskey 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 October 2023.
How much traffic does Hillgate Road over Whiskey Creek carry?
About 484 vehicles per day (2014 count), of which roughly 10% are trucks.
How long is Hillgate Road over Whiskey Creek?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 33 ft wide.
Who owns Hillgate Road over Whiskey Creek?
It is owned by the County Highway Agency.