State Route 128 over Maacama Creek
FairSonoma County, California · 04-SON-128-17.25 · Structure no. 20 0292
- Built
- 2011
- 14 years old
- Condition
- Fair
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 205 ft
- 2 main spans
- Daily traffic
- 2,900
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 128 over Maacama Creek is a concrete continuous box beam or girders - multiple carrying State Route 128 over Maacama 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,900 vehicles a day, projected to reach 5,374 by 2046. The structure is 205 ft (62.6 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
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 Maacama Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is State Route 128 over Maacama Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does State Route 128 over Maacama Creek carry?
About 2,900 vehicles per day (2016 count).
How long is State Route 128 over Maacama Creek?
The structure is 205 ft (62.6 m) long with a longest span of 103 ft (31.3 m) and a deck 43 ft wide.
Who owns State Route 128 over Maacama Creek?
It is owned by the State Highway Agency.