460th Avenue over Big Coulee Creek
PoorClosed to trafficRoberts County, South Dakota · 4S & 2W of Peever · Structure no. 000000055110313
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 22
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
460th Avenue over Big Coulee Creek is a wood or timber stringer/multi-beam or girder carrying 460th Avenue over Big Coulee Creek in Roberts County, South Dakota. It was built in 1950, so it is 75 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: closed to all traffic.
It carries about 22 vehicles a day, roughly 2% of them trucks, projected to reach 22 by 2032. The structure is 25 ft (7.5 m) long and 25 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 460th Avenue over Big Coulee Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is 460th Avenue over Big Coulee 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 2023.
How much traffic does 460th Avenue over Big Coulee Creek carry?
About 22 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 460th Avenue over Big Coulee Creek?
The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 25 ft wide.
Who owns 460th Avenue over Big Coulee Creek?
It is owned by the County Highway Agency.