State Route 139 over Willow Creek
GoodLassen County, California · 02-LAS-139-17.02 · Structure no. 07 0062
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected May 2021
- Type
- Slab
- Concrete Continuous
- Length
- 56 ft
- 3 main spans
- Daily traffic
- 550
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 139 over Willow Creek is a concrete continuous slab carrying State Route 139 over Willow Creek in Lassen County, California. It was built in 1966, so it is 59 years old, older 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 550 vehicles a day, projected to reach 719 by 2038. The structure is 56 ft (17.1 m) long and 32 ft wide. If it were closed, the detour would be 34.2 mi (55 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 139 over Willow Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is State Route 139 over Willow 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 May 2021.
How much traffic does State Route 139 over Willow Creek carry?
About 550 vehicles per day (2009 count).
How long is State Route 139 over Willow Creek?
The structure is 56 ft (17.1 m) long with a longest span of 18 ft (5.5 m) and a deck 32 ft wide.
Who owns State Route 139 over Willow Creek?
It is owned by the State Highway Agency.