215 ST over I029
FairBrookings County, South Dakota · 3 S US 14 Interch · Structure no. 000000006185190
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 254 ft
- 4 main spans
- Daily traffic
- 410
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
215 ST over I029 is a prestressed concrete continuous stringer/multi-beam or girder carrying 215 ST over I029 in Brookings County, South Dakota. It was built in 1966, so it is 59 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 410 vehicles a day, roughly 5% of them trucks, projected to reach 410 by 2043. The structure is 254 ft (77.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 215 ST over I029 built?
It was built in 1966, making it 59 years old in 2025.
What condition is 215 ST over I029 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 August 2023.
How much traffic does 215 ST over I029 carry?
About 410 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is 215 ST over I029?
The structure is 254 ft (77.4 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.
Who owns 215 ST over I029?
It is owned by the State Highway Agency.