IRR BIA RTE 4 over Fire Steel Creek
GoodCorson County, South Dakota · 8 KM East of HWY 65 · Structure no. 00000000000A124
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 45
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 4 over Fire Steel Creek is a concrete continuous slab carrying IRR BIA RTE 4 over Fire Steel Creek in Corson 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 45 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2043. The structure is 119 ft (36.3 m) long and 35 ft wide. If it were closed, the detour would be 28 mi (45 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 4 over Fire Steel Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is IRR BIA RTE 4 over Fire Steel 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 May 2023.
How much traffic does IRR BIA RTE 4 over Fire Steel Creek carry?
About 45 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 4 over Fire Steel Creek?
The structure is 119 ft (36.3 m) long with a longest span of 45 ft (13.7 m) and a deck 35 ft wide.
Who owns IRR BIA RTE 4 over Fire Steel Creek?
It is owned by the Bureau of Indian Affairs.