South E ST over Matanzas Creek
FairSonoma County, California · Betwn Tupper & Sonoma Ave · Structure no. 20C0165
- Built
- 1935
- 90 years old, rebuilt 1949
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Concrete
- Length
- 71 ft
- 1 main span
- Daily traffic
- 12,000
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South E ST over Matanzas Creek is a concrete tee beam carrying South E ST over Matanzas Creek in Sonoma County, California. It was built in 1935 and reconstructed in 1949, so it is 90 years old, older 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 12,000 vehicles a day, roughly 2% of them trucks, projected to reach 13,259 by 2042. The structure is 71 ft (21.6 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was South E ST over Matanzas Creek built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1949.
What condition is South E ST over Matanzas 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 August 2024.
How much traffic does South E ST over Matanzas Creek carry?
About 12,000 vehicles per day (2017 count), of which roughly 2% are trucks.
How long is South E ST over Matanzas Creek?
The structure is 71 ft (21.6 m) long with a longest span of 41 ft (12.5 m) and a deck 57 ft wide.
Who owns South E ST over Matanzas Creek?
It is owned by the City or Municipal Highway Agency.