U.S. Highway 101 over Lost Man Creek
GoodHumboldt County, California · 01-HUM-101-124.71 · Structure no. 04 0030
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 3,700
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Lost Man Creek is a concrete continuous slab carrying U.S. Highway 101 over Lost Man Creek in Humboldt County, California. It was built in 1986, so it is 39 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 3,700 vehicles a day, roughly 12% of them trucks, projected to reach 5,100 by 2042. The structure is 106 ft (32.4 m) long and 45 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
| 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 Lost Man Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is U.S. Highway 101 over Lost Man 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 July 2024.
How much traffic does U.S. Highway 101 over Lost Man Creek carry?
About 3,700 vehicles per day (2009 count), of which roughly 12% are trucks.
How long is U.S. Highway 101 over Lost Man Creek?
The structure is 106 ft (32.4 m) long with a longest span of 42 ft (12.8 m) and a deck 45 ft wide.
Who owns U.S. Highway 101 over Lost Man Creek?
It is owned by the State Highway Agency.