Maple Hills Road over Salmon Creek
GoodHumboldt County, California · Just S/O Salmon Creek RD · Structure no. 04C0188
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 124 ft
- 1 main span
- Daily traffic
- 349
- 2008 count
- Owner
- County
- County Highway Agency
About this bridge
Maple Hills Road over Salmon Creek is a prestressed concrete box beam or girders - multiple carrying Maple Hills Road over Salmon Creek in Humboldt County, California. It was built in 1982, so it is 43 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 349 vehicles a day, roughly 1% of them trucks, projected to reach 1,095 by 2042. The structure is 124 ft (37.8 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Maple Hills Road over Salmon Creek built?
It was built in 1982, making it 43 years old in 2025.
What condition is Maple Hills Road over Salmon 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 February 2024.
How much traffic does Maple Hills Road over Salmon Creek carry?
About 349 vehicles per day (2008 count), of which roughly 1% are trucks.
How long is Maple Hills Road over Salmon Creek?
The structure is 124 ft (37.8 m) long with a longest span of 121 ft (36.9 m) and a deck 29 ft wide.
Who owns Maple Hills Road over Salmon Creek?
It is owned by the County Highway Agency.