Klamath Mill Road over Hoppow Creek
FairDel Norte County, California · 500 E of Rt 101/169 Sep · Structure no. 01C0001
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 58 ft
- 2 main spans
- Daily traffic
- 1,395
- 2004 count
- Owner
- County
- County Highway Agency
About this bridge
Klamath Mill Road over Hoppow Creek is a concrete continuous slab carrying Klamath Mill Road over Hoppow Creek in Del Norte County, California. It was built in 1965, so it is 60 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 1,395 vehicles a day, roughly 25% of them trucks, projected to reach 1,577 by 2046. The structure is 58 ft (17.7 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Klamath Mill Road over Hoppow Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is Klamath Mill Road over Hoppow 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 June 2024.
How much traffic does Klamath Mill Road over Hoppow Creek carry?
About 1,395 vehicles per day (2004 count), of which roughly 25% are trucks.
How long is Klamath Mill Road over Hoppow Creek?
The structure is 58 ft (17.7 m) long with a longest span of 28 ft (8.5 m) and a deck 37 ft wide.
Who owns Klamath Mill Road over Hoppow Creek?
It is owned by the County Highway Agency.