299th Street over Medicine Creek
FairLyman County, South Dakota · 6W & 1.3N of Presho · Structure no. 000000043090187
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
299th Street over Medicine Creek is a concrete continuous slab carrying 299th Street over Medicine Creek in Lyman County, South Dakota. It was built in 1968, so it is 57 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2032. The structure is 119 ft (36.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 299th Street over Medicine Creek built?
It was built in 1968, making it 57 years old in 2025.
What condition is 299th Street over Medicine Creek 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 299th Street over Medicine Creek carry?
About 25 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 299th Street over Medicine Creek?
The structure is 119 ft (36.3 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.
Who owns 299th Street over Medicine Creek?
It is owned by the County Highway Agency.