Red Cap Road over Boise Creek
GoodHumboldt County, California · 3.7 Mile S. of SR 96 · Structure no. 04C0244
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 112 ft
- 1 main span
- Daily traffic
- 91
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Red Cap Road over Boise Creek is a concrete box beam or girders - multiple carrying Red Cap Road over Boise Creek in Humboldt County, California. It was built in 1995, so it is 30 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 91 vehicles a day, roughly 5% of them trucks, projected to reach 113 by 2041. The structure is 112 ft (34.1 m) long and 26 ft wide. If it were closed, the detour would be 62.1 mi (100 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Red Cap Road over Boise Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is Red Cap Road over Boise 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 October 2023.
How much traffic does Red Cap Road over Boise Creek carry?
About 91 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is Red Cap Road over Boise Creek?
The structure is 112 ft (34.1 m) long with a longest span of 107 ft (32.7 m) and a deck 26 ft wide.
Who owns Red Cap Road over Boise Creek?
It is owned by the County Highway Agency.