403rd Ave over Timber Creek
PoorPosted for loadSpink County, South Dakota · 3W & 1.8S Turton · Structure no. 000000058270148
- Built
- 1935
- 90 years old
- Condition
- Poor
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 31
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
403rd Ave over Timber Creek is a steel stringer/multi-beam or girder carrying 403rd Ave over Timber Creek in Spink County, South Dakota. It was built in 1935, so it is 90 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 31 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 403rd Ave over Timber Creek built?
It was built in 1935, making it 90 years old in 2025.
What condition is 403rd Ave over Timber 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 July 2023.
How much traffic does 403rd Ave over Timber Creek carry?
About 31 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 403rd Ave over Timber Creek?
The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.
Who owns 403rd Ave over Timber Creek?
It is owned by the County Highway Agency.