254th ST HWY 122 over Silver Ck
GoodMinnehaha County, South Dakota · 4S & 0.6E Baltic · Structure no. 000000050206100
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 113 ft
- 2 main spans
- Daily traffic
- 922
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
254th ST HWY 122 over Silver Ck is a prestressed concrete stringer/multi-beam or girder carrying 254th ST HWY 122 over Silver Ck in Minnehaha County, South Dakota. It was built in 2020, so it is 5 years old, younger 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 922 vehicles a day, roughly 3% of them trucks, projected to reach 1,151 by 2038. The structure is 113 ft (34.4 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 254th ST HWY 122 over Silver Ck built?
It was built in 2020, making it 5 years old in 2025.
What condition is 254th ST HWY 122 over Silver 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 July 2024.
How much traffic does 254th ST HWY 122 over Silver Ck carry?
About 922 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is 254th ST HWY 122 over Silver Ck?
The structure is 113 ft (34.4 m) long with a longest span of 55 ft (16.8 m) and a deck 35 ft wide.
Who owns 254th ST HWY 122 over Silver Ck?
It is owned by the County Highway Agency.