Maple Hills RD over South Fork Eel River
FairHumboldt County, California · Just N/E of HWY 101 · Structure no. 04C0089
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 345 ft
- 2 main spans
- Daily traffic
- 1,005
- 2008 count
- Owner
- County
- County Highway Agency
About this bridge
Maple Hills RD over South Fork Eel River is a steel continuous stringer/multi-beam or girder carrying Maple Hills RD over South Fork Eel River in Humboldt County, California. It was built in 1957, so it is 68 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 5 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 1,005 vehicles a day, roughly 1% of them trucks, projected to reach 1,172 by 2044. The structure is 345 ft (105.2 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Maple Hills RD over South Fork Eel River built?
It was built in 1957, making it 68 years old in 2025.
What condition is Maple Hills RD over South Fork Eel River 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 February 2024.
How much traffic does Maple Hills RD over South Fork Eel River carry?
About 1,005 vehicles per day (2008 count), of which roughly 1% are trucks.
How long is Maple Hills RD over South Fork Eel River?
The structure is 345 ft (105.2 m) long with a longest span of 170 ft (51.8 m) and a deck 28 ft wide.
Who owns Maple Hills RD over South Fork Eel River?
It is owned by the County Highway Agency.