433rd Avenue over Tributary to Wolf Creek
PoorMcCook County, South Dakota · 2E & 5.1N of Spencer · Structure no. 000000044030029
- Built
- 1977
- 48 years old
- Condition
- Poor
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
433rd Avenue over Tributary to Wolf Creek is a prestressed concrete tee beam carrying 433rd Avenue over Tributary to Wolf Creek in McCook County, South Dakota. It was built in 1977, so it is 48 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 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.
It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 26 ft (7.8 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
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 433rd Avenue over Tributary to Wolf Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is 433rd Avenue over Tributary to Wolf Creek 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 June 2024.
How much traffic does 433rd Avenue over Tributary to Wolf Creek carry?
About 50 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 433rd Avenue over Tributary to Wolf Creek?
The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.
Who owns 433rd Avenue over Tributary to Wolf Creek?
It is owned by the County Highway Agency.