484th Avenue over Trib. to Pattee Creek
PoorPosted for loadLincoln County, South Dakota · 3W & 3.6N of Hudson · Structure no. 000000042200226
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
484th Avenue over Trib. to Pattee Creek is a steel stringer/multi-beam or girder carrying 484th Avenue over Trib. to Pattee Creek in Lincoln 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 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 34 ft (10.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 484th Avenue over Trib. to Pattee Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is 484th Avenue over Trib. to Pattee 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 484th Avenue over Trib. to Pattee Creek carry?
About 50 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 484th Avenue over Trib. to Pattee Creek?
The structure is 34 ft (10.3 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.
Who owns 484th Avenue over Trib. to Pattee Creek?
It is owned by the County Highway Agency.