IRR BIA RTE 7 over Little White River
PoorPosted for loadTodd County, South Dakota · At Ghost Hawk Park · Structure no. 00000000000A031
- Built
- 1972
- 53 years old
- Condition
- Poor
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 110 ft
- 3 main spans
- Daily traffic
- 1,851
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 7 over Little White River is a prestressed concrete tee beam carrying IRR BIA RTE 7 over Little White River in Todd County, South Dakota. It was built in 1972, so it is 53 years old, older than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 1,851 vehicles a day, roughly 8% of them trucks, projected to reach 2,165 by 2044. The structure is 110 ft (33.5 m) long and 38 ft wide. If it were closed, the detour would be 24.9 mi (40 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 7 over Little White River built?
It was built in 1972, making it 53 years old in 2025.
What condition is IRR BIA RTE 7 over Little White River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does IRR BIA RTE 7 over Little White River carry?
About 1,851 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is IRR BIA RTE 7 over Little White River?
The structure is 110 ft (33.5 m) long with a longest span of 50 ft (15.2 m) and a deck 38 ft wide.
Who owns IRR BIA RTE 7 over Little White River?
It is owned by the Bureau of Indian Affairs.