398th Ave over Timber Creek
FairPosted for loadSpink County, South Dakota · 3.9S & 2E Frankfort · Structure no. 000000058220289
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 186 ft
- 5 main spans
- Daily traffic
- 55
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
398th Ave over Timber Creek is a concrete continuous slab carrying 398th Ave over Timber Creek in Spink County, South Dakota. It was built in 1957, so it is 68 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 55 vehicles a day, roughly 2% of them trucks, projected to reach 55 by 2032. The structure is 186 ft (56.7 m) long and 28 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 398th Ave over Timber Creek built?
It was built in 1957, making it 68 years old in 2025.
What condition is 398th Ave over Timber 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 August 2023.
How much traffic does 398th Ave over Timber Creek carry?
About 55 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 398th Ave over Timber Creek?
The structure is 186 ft (56.7 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.
Who owns 398th Ave over Timber Creek?
It is owned by the County Highway Agency.