State Route 116 over Blucher Creek
GoodSonoma County, California · 04-SON-116-29.83 · Structure no. 20 0103
- Built
- 1938
- 87 years old
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 16,550
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 116 over Blucher Creek is a concrete continuous culvert carrying State Route 116 over Blucher Creek in Sonoma County, California. It was built in 1938, so it is 87 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 16,550 vehicles a day, roughly 4% of them trucks, projected to reach 24,668 by 2046. The structure is 34 ft (10.4 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 116 over Blucher Creek built?
It was built in 1938, making it 87 years old in 2025.
What condition is State Route 116 over Blucher 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 November 2024.
How much traffic does State Route 116 over Blucher Creek carry?
About 16,550 vehicles per day (2014 count), of which roughly 4% are trucks.
How long is State Route 116 over Blucher Creek?
The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 39 ft wide.
Who owns State Route 116 over Blucher Creek?
It is owned by the State Highway Agency.