IRR I029 N over 127 ST (fas)
FairRoberts County, South Dakota · Peever Interchange · Structure no. 000000055116270
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 2,510
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR I029 N over 127 ST (fas) is a concrete continuous slab carrying IRR I029 N over 127 ST (fas) in Roberts County, South Dakota. It was built in 1978, so it is 47 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,510 vehicles a day, roughly 47% of them trucks, projected to reach 3,117 by 2044. The structure is 128 ft (39 m) long and 43 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR I029 N over 127 ST (fas) built?
It was built in 1978, making it 47 years old in 2025.
What condition is IRR I029 N over 127 ST (fas) in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does IRR I029 N over 127 ST (fas) carry?
About 2,510 vehicles per day (2024 count), of which roughly 47% are trucks.
How long is IRR I029 N over 127 ST (fas)?
The structure is 128 ft (39 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.
Who owns IRR I029 N over 127 ST (fas)?
It is owned by the State Highway Agency.