U. Bear River Road over Arroyo Creek
FairHumboldt County, California · 6.5 MI S of Mattole RD · Structure no. 04C0149
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 27
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
U. Bear River Road over Arroyo Creek is a concrete slab carrying U. Bear River Road over Arroyo Creek in Humboldt County, California. It was built in 1960, so it is 65 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 6 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 27 vehicles a day, roughly 2% of them trucks, projected to reach 34 by 2042. The structure is 32 ft (9.9 m) long and 17 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 U. Bear River Road over Arroyo Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is U. Bear River Road over Arroyo 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 March 2024.
How much traffic does U. Bear River Road over Arroyo Creek carry?
About 27 vehicles per day (2011 count), of which roughly 2% are trucks.
How long is U. Bear River Road over Arroyo Creek?
The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.1 m) and a deck 17 ft wide.
Who owns U. Bear River Road over Arroyo Creek?
It is owned by the County Highway Agency.