I029 N over Medary Ck
FairBrookings County, South Dakota · 2.3 N Moody CO Line · Structure no. 000000006185218
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 152 ft
- 5 main spans
- Daily traffic
- 7,985
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I029 N over Medary Ck is a concrete continuous slab carrying I029 N over Medary Ck 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 5 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 7,985 vehicles a day, roughly 22% of them trucks, projected to reach 12,089 by 2044. The structure is 152 ft (46.2 m) long and 34 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I029 N over Medary Ck built?
It was built in 1966, making it 59 years old in 2025.
What condition is I029 N over Medary Ck 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 I029 N over Medary Ck carry?
About 7,985 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is I029 N over Medary Ck?
The structure is 152 ft (46.2 m) long with a longest span of 31 ft (9.3 m) and a deck 34 ft wide.
Who owns I029 N over Medary Ck?
It is owned by the State Highway Agency.