32201 478th Ave. over Lewis Ditch
PoorPosted for loadUnion County, South Dakota · 2E & 1.9N Elk Point · Structure no. 000000064080251
- Built
- 1940
- 85 years old, rebuilt 1968
- Condition
- Poor
- inspected August 2024
- Type
- Channel Beam
- Concrete
- Length
- 62 ft
- 2 main spans
- Daily traffic
- 40
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
32201 478th Ave. over Lewis Ditch is a concrete channel beam carrying 32201 478th Ave. over Lewis Ditch in Union County, South Dakota. It was built in 1940 and reconstructed in 1968, so it is 85 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 40 vehicles a day, roughly 2% of them trucks, projected to reach 40 by 2032. The structure is 62 ft (18.9 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 32201 478th Ave. over Lewis Ditch built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1968.
What condition is 32201 478th Ave. over Lewis Ditch in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does 32201 478th Ave. over Lewis Ditch carry?
About 40 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 32201 478th Ave. over Lewis Ditch?
The structure is 62 ft (18.9 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.
Who owns 32201 478th Ave. over Lewis Ditch?
It is owned by the County Highway Agency.