IRR BIA RTE 4 over Green Grass Creek
GoodDewey County, South Dakota · 3.2 KM West of HWY SD-63 · Structure no. 0000A01340B0121
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected May 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 100 ft
- 1 main span
- Daily traffic
- 195
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 4 over Green Grass Creek is a prestressed concrete tee beam carrying IRR BIA RTE 4 over Green Grass Creek in Dewey County, South Dakota. It was built in 2013, so it is 12 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 195 vehicles a day, roughly 5% of them trucks, projected to reach 230 by 2043. The structure is 100 ft (30.5 m) long and 33 ft wide. If it were closed, the detour would be 36 mi (58 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 | 8 Very Good | No problems noted. |
| 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 4 over Green Grass Creek built?
It was built in 2013, making it 12 years old in 2025.
What condition is IRR BIA RTE 4 over Green Grass 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 Green Grass Creek carry?
About 195 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is IRR BIA RTE 4 over Green Grass Creek?
The structure is 100 ft (30.5 m) long with a longest span of 98 ft (29.9 m) and a deck 33 ft wide.
Who owns IRR BIA RTE 4 over Green Grass Creek?
It is owned by the Bureau of Indian Affairs.