U.S. Highway 101 over Dean Crk RD & Dean Creek
PoorHumboldt County, California · 01-HUM-101-R14.31 · Structure no. 04 0006
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 373 ft
- 3 main spans
- Daily traffic
- 5,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Dean Crk RD & Dean Creek is a concrete continuous box beam or girders - multiple carrying U.S. Highway 101 over Dean Crk RD & Dean Creek in Humboldt County, California. It was built in 1967, so it is 58 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 5,000 vehicles a day, roughly 22% of them trucks, projected to reach 7,137 by 2046. The structure is 373 ft (113.7 m) long and 62 ft wide. If it were closed, the detour would be 60.9 mi (98 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 101 over Dean Crk RD & Dean Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is U.S. Highway 101 over Dean Crk RD & Dean Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.
How much traffic does U.S. Highway 101 over Dean Crk RD & Dean Creek carry?
About 5,000 vehicles per day (2009 count), of which roughly 22% are trucks.
How long is U.S. Highway 101 over Dean Crk RD & Dean Creek?
The structure is 373 ft (113.7 m) long with a longest span of 143 ft (43.6 m) and a deck 62 ft wide.
Who owns U.S. Highway 101 over Dean Crk RD & Dean Creek?
It is owned by the State Highway Agency.