Blue Slide RD over Howe Creek
GoodHumboldt County, California · JCT Howe Creek Road · Structure no. 04C0046
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 94 ft
- 1 main span
- Daily traffic
- 346
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Blue Slide RD over Howe Creek is a prestressed concrete box beam or girders - multiple carrying Blue Slide RD over Howe Creek in Humboldt County, California. It was built in 1978, so it is 47 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 346 vehicles a day, roughly 5% of them trucks, projected to reach 642 by 2041. The structure is 94 ft (28.7 m) long and 35 ft wide. If it were closed, the detour would be 26.1 mi (42 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Blue Slide RD over Howe Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Blue Slide RD over Howe 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 August 2024.
How much traffic does Blue Slide RD over Howe Creek carry?
About 346 vehicles per day (2014 count), of which roughly 5% are trucks.
How long is Blue Slide RD over Howe Creek?
The structure is 94 ft (28.7 m) long with a longest span of 92 ft (28.1 m) and a deck 35 ft wide.
Who owns Blue Slide RD over Howe Creek?
It is owned by the County Highway Agency.