IRR BIA Route 93 over Russian River Tributary
GoodSonoma County, California · 0.6KM NE of Ca 128 · Structure no. 0000J51515T093A
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected May 2023
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 3,500
- 2023 count
- Owner
- Tribal
- Indian Tribal Government
About this bridge
IRR BIA Route 93 over Russian River Tributary is a concrete culvert carrying IRR BIA Route 93 over Russian River Tributary in Sonoma County, California. It was built in 2010, so it is 15 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 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 3,500 vehicles a day, roughly 10% of them trucks, projected to reach 5,000 by 2043. The structure is 26 ft (8 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA Route 93 over Russian River Tributary built?
It was built in 2010, making it 15 years old in 2025.
What condition is IRR BIA Route 93 over Russian River Tributary 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 May 2023.
How much traffic does IRR BIA Route 93 over Russian River Tributary carry?
About 3,500 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA Route 93 over Russian River Tributary?
The structure is 26 ft (8 m) long with a longest span of 26 ft (8 m) and a deck 26 ft wide.
Who owns IRR BIA Route 93 over Russian River Tributary?
It is owned by the Indian Tribal Government.