SD045 over Smith Ck
FairBrule County, South Dakota · 3.1 S Buffalo CO Line · Structure no. 000000008240031
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 152 ft
- 5 main spans
- Daily traffic
- 949
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD045 over Smith Ck is a concrete continuous slab carrying SD045 over Smith Ck in Brule County, South Dakota. It was built in 1960, so it is 65 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.
It carries about 949 vehicles a day, roughly 21% of them trucks, projected to reach 1,231 by 2044. The structure is 152 ft (46.2 m) long and 34 ft wide. If it were closed, the detour would be 42.3 mi (68 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD045 over Smith Ck built?
It was built in 1960, making it 65 years old in 2025.
What condition is SD045 over Smith Ck 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 July 2024.
How much traffic does SD045 over Smith Ck carry?
About 949 vehicles per day (2024 count), of which roughly 21% are trucks.
How long is SD045 over Smith Ck?
The structure is 152 ft (46.2 m) long with a longest span of 31 ft (9.4 m) and a deck 34 ft wide.
Who owns SD045 over Smith Ck?
It is owned by the State Highway Agency.