Four Mile RD over Hunters Creek
FairColusa County, California · 0.5 MI N of Delevan RD · Structure no. 15C0120
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 41 ft
- 3 main spans
- Daily traffic
- 18
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Four Mile RD over Hunters Creek is a steel continuous stringer/multi-beam or girder carrying Four Mile RD over Hunters Creek in Colusa County, California. It was built in 1950, 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 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 18 vehicles a day, roughly 2% of them trucks, projected to reach 22 by 2041. The structure is 41 ft (12.5 m) long and 29 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Four Mile RD over Hunters Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is Four Mile RD over Hunters 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 July 2023.
How much traffic does Four Mile RD over Hunters Creek carry?
About 18 vehicles per day (2014 count), of which roughly 2% are trucks.
How long is Four Mile RD over Hunters Creek?
The structure is 41 ft (12.5 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.
Who owns Four Mile RD over Hunters Creek?
It is owned by the County Highway Agency.