I090 W over South Gate RD Ck
FairPennington County, South Dakota · 1.5 W Exit 67 · Structure no. 000000052485275
- Built
- 1963
- 62 years old, rebuilt 1982
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 242 ft
- 3 main spans
- Daily traffic
- 9,360
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I090 W over South Gate RD Ck is a steel continuous stringer/multi-beam or girder carrying I090 W over South Gate RD Ck in Pennington County, South Dakota. It was built in 1963 and reconstructed in 1982, so it is 62 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 5 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 9,360 vehicles a day, roughly 15% of them trucks, projected to reach 13,563 by 2044. The structure is 242 ft (73.8 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 I090 W over South Gate RD Ck built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1982.
What condition is I090 W over South Gate RD 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 April 2024.
How much traffic does I090 W over South Gate RD Ck carry?
About 9,360 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is I090 W over South Gate RD Ck?
The structure is 242 ft (73.8 m) long with a longest span of 94 ft (28.7 m) and a deck 35 ft wide.
Who owns I090 W over South Gate RD Ck?
It is owned by the State Highway Agency.