477th Avenue over Creek
PoorPosted for loadRoberts County, South Dakota · 4E & 6.5S of Rosholt · Structure no. 000000055280115
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 27 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
477th Avenue over Creek is a wood or timber stringer/multi-beam or girder carrying 477th Avenue over Creek in Roberts 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 poor condition with a lowest component rating of 3 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2032. The structure is 27 ft (8.1 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 477th Avenue over Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is 477th Avenue over 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 477th Avenue over Creek carry?
About 25 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 477th Avenue over Creek?
The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.
Who owns 477th Avenue over Creek?
It is owned by the County Highway Agency.