IRR BIA RTE Allen over Trib of White River
GoodBennett County, South Dakota · East of Allen · Structure no. 0000A06344B0161
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 300
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE Allen over Trib of White River is a concrete culvert carrying IRR BIA RTE Allen over Trib of White River in Bennett County, South Dakota. It was built in 2017, so it is 8 years old, younger than the South Dakota average of 48.9 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2043. The structure is 27 ft (8.3 m) long and 241 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE Allen over Trib of White River built?
It was built in 2017, making it 8 years old in 2025.
What condition is IRR BIA RTE Allen over Trib of White River 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 July 2023.
How much traffic does IRR BIA RTE Allen over Trib of White River carry?
About 300 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is IRR BIA RTE Allen over Trib of White River?
The structure is 27 ft (8.3 m) long with a longest span of 13 ft (4 m) and a deck 241 ft wide.
Who owns IRR BIA RTE Allen over Trib of White River?
It is owned by the Bureau of Indian Affairs.