451st Avenue over Creek
PoorPosted for loadRoberts County, South Dakota · 3S & 4W of Claire City · Structure no. 000000055020085
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 29
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
451st Avenue over Creek is a wood or timber stringer/multi-beam or girder carrying 451st Avenue over Creek in Roberts County, South Dakota. It was built in 1940, 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 2 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 29 vehicles a day, roughly 2% of them trucks, projected to reach 29 by 2032. The structure is 25 ft (7.5 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 451st Avenue over Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is 451st 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 August 2024.
How much traffic does 451st Avenue over Creek carry?
About 29 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 451st Avenue over Creek?
The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.6 m) and a deck 24 ft wide.
Who owns 451st Avenue over Creek?
It is owned by the County Highway Agency.