State Route 128 over Redwood Creek
GoodSonoma County, California · 04-SON-128-21.78 · Structure no. 20 0293
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 75 ft
- 1 main span
- Daily traffic
- 2,900
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 128 over Redwood Creek is a concrete box beam or girders - multiple carrying State Route 128 over Redwood Creek in Sonoma County, California. It was built in 2011, so it is 14 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 2,900 vehicles a day, projected to reach 5,410 by 2046. The structure is 75 ft (23 m) long and 43 ft wide. If it were closed, the detour would be 39.1 mi (63 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 128 over Redwood Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is State Route 128 over Redwood 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 128 over Redwood Creek carry?
About 2,900 vehicles per day (2010 count).
How long is State Route 128 over Redwood Creek?
The structure is 75 ft (23 m) long with a longest span of 75 ft (23 m) and a deck 43 ft wide.
Who owns State Route 128 over Redwood Creek?
It is owned by the State Highway Agency.