Old Arcata RD over Jacoby Creek
GoodHumboldt County, California · 1/4 MI N Bayside Cutoff · Structure no. 04C0182
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 90 ft
- 2 main spans
- Daily traffic
- 3,030
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Old Arcata RD over Jacoby Creek is a prestressed concrete slab carrying Old Arcata RD over Jacoby Creek in Humboldt County, California. It was built in 1988, so it is 37 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 3,030 vehicles a day, roughly 4% of them trucks, projected to reach 7,464 by 2045. The structure is 90 ft (27.4 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Arcata RD over Jacoby Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is Old Arcata RD over Jacoby 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 June 2023.
How much traffic does Old Arcata RD over Jacoby Creek carry?
About 3,030 vehicles per day (2011 count), of which roughly 4% are trucks.
How long is Old Arcata RD over Jacoby Creek?
The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.
Who owns Old Arcata RD over Jacoby Creek?
It is owned by the County Highway Agency.