IRR BIA RTE 1 over Eagles Nest Creek
GoodJackson County, South Dakota · 14.5 KM SE of Interior · Structure no. 00000000000A116
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected July 2023
- Type
- Slab
- Concrete Continuous
- Length
- 104 ft
- 3 main spans
- Daily traffic
- 146
- 2020 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 1 over Eagles Nest Creek is a concrete continuous slab carrying IRR BIA RTE 1 over Eagles Nest Creek in Jackson County, South Dakota. It was built in 1987, so it is 38 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 146 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2043. The structure is 104 ft (31.7 m) long and 34 ft wide. If it were closed, the detour would be 42.3 mi (68 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 IRR BIA RTE 1 over Eagles Nest Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is IRR BIA RTE 1 over Eagles Nest Creek 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 1 over Eagles Nest Creek carry?
About 146 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 1 over Eagles Nest Creek?
The structure is 104 ft (31.7 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.
Who owns IRR BIA RTE 1 over Eagles Nest Creek?
It is owned by the Bureau of Indian Affairs.