470th Avenue over Saddle Creek
FairLincoln County, South Dakota · 8.7S & 4E of Lennox · Structure no. 000000042060197
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected May 2024
- Type
- Channel Beam
- Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
470th Avenue over Saddle Creek is a concrete channel beam carrying 470th Avenue over Saddle Creek in Lincoln County, South Dakota. It was built in 1969, so it is 56 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 36 ft (11 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 470th Avenue over Saddle Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is 470th Avenue over Saddle Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does 470th Avenue over Saddle Creek carry?
About 50 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 470th Avenue over Saddle Creek?
The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.
Who owns 470th Avenue over Saddle Creek?
It is owned by the County Highway Agency.