Mattole Road over Davis Creek
GoodHumboldt County, California · 7.2 MI NW of Petrolia · Structure no. 04C0167
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected March 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 98 ft
- 1 main span
- Daily traffic
- 700
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
Mattole Road over Davis Creek is a prestressed concrete box beam or girders - multiple carrying Mattole Road over Davis Creek in Humboldt County, California. It was built in 1998, so it is 27 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 700 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2044. The structure is 98 ft (30 m) long and 31 ft wide. If it were closed, the detour would be 88.2 mi (142 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 Mattole Road over Davis Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is Mattole Road over Davis 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 March 2022.
How much traffic does Mattole Road over Davis Creek carry?
About 700 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is Mattole Road over Davis Creek?
The structure is 98 ft (30 m) long with a longest span of 97 ft (29.6 m) and a deck 31 ft wide.
Who owns Mattole Road over Davis Creek?
It is owned by the County Highway Agency.