SD044 over Thunder Ck
GoodTripp County, South Dakota · 4 E JCT US 18 · Structure no. 000000062238270
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected October 2022
- Type
- Slab
- Concrete Continuous
- Length
- 99 ft
- 3 main spans
- Daily traffic
- 1,172
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD044 over Thunder Ck is a concrete continuous slab carrying SD044 over Thunder Ck in Tripp 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,172 vehicles a day, roughly 12% of them trucks, projected to reach 1,590 by 2044. The structure is 99 ft (30.3 m) long and 43 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD044 over Thunder Ck built?
It was built in 1969, making it 56 years old in 2025.
What condition is SD044 over Thunder Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.
How much traffic does SD044 over Thunder Ck carry?
About 1,172 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is SD044 over Thunder Ck?
The structure is 99 ft (30.3 m) long with a longest span of 35 ft (10.8 m) and a deck 43 ft wide.
Who owns SD044 over Thunder Ck?
It is owned by the State Highway Agency.