305th Avenue over Medicine Creek
GoodLyman County, South Dakota · 0.2W & 0.7N of Presho · Structure no. 000000043150193
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 100 ft
- 3 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
305th Avenue over Medicine Creek is a concrete continuous slab carrying 305th Avenue over Medicine Creek in Lyman County, South Dakota. It was built in 1987, so it is 38 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 305th Avenue over Medicine Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is 305th Avenue over Medicine Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does 305th Avenue over Medicine Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 305th Avenue over Medicine Creek?
The structure is 100 ft (30.5 m) long with a longest span of 37 ft (11.4 m) and a deck 31 ft wide.
Who owns 305th Avenue over Medicine Creek?
It is owned by the County Highway Agency.