2nd Street over Nathanson Creek
FairSonoma County, California · .02 MI So. of E. Napa ST · Structure no. 20C0520
- Built
- 1909
- 116 years old
- Condition
- Fair
- inspected June 2023
- Type
- Arch - Deck
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 820
- 2015 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
2nd Street over Nathanson Creek is a concrete arch - deck carrying 2nd Street over Nathanson Creek in Sonoma County, California. It was built in 1909, so it is 116 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 5 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 820 vehicles a day, roughly 1% of them trucks, projected to reach 1,377 by 2045. The structure is 21 ft (6.4 m) long and 29 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 |
|---|---|---|
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 2nd Street over Nathanson Creek built?
It was built in 1909, making it 116 years old in 2025.
What condition is 2nd Street over Nathanson 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 June 2023.
How much traffic does 2nd Street over Nathanson Creek carry?
About 820 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is 2nd Street over Nathanson Creek?
The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 29 ft wide.
Who owns 2nd Street over Nathanson Creek?
It is owned by the City or Municipal Highway Agency.