I029 N over 228 ST
FairMoody County, South Dakota · 8 S Brookings CO Line · Structure no. 000000051066080
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 7,785
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I029 N over 228 ST is a concrete continuous slab carrying I029 N over 228 ST in Moody County, South Dakota. It was built in 1967, so it is 58 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 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 7,785 vehicles a day, roughly 22% of them trucks, projected to reach 11,786 by 2044. The structure is 119 ft (36.3 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
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 I029 N over 228 ST built?
It was built in 1967, making it 58 years old in 2025.
What condition is I029 N over 228 ST 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 June 2024.
How much traffic does I029 N over 228 ST carry?
About 7,785 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is I029 N over 228 ST?
The structure is 119 ft (36.3 m) long with a longest span of 43 ft (13.1 m) and a deck 41 ft wide.
Who owns I029 N over 228 ST?
It is owned by the State Highway Agency.