IRR Ar SD044 over Corn Ck
GoodMellette County, South Dakota · 0.6 W JCT Sd 63 · Structure no. 000000048013210
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 265 ft
- 3 main spans
- Daily traffic
- 420
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR Ar SD044 over Corn Ck is a steel continuous stringer/multi-beam or girder carrying IRR Ar SD044 over Corn Ck in Mellette County, South Dakota. It was built in 1980, so it is 45 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 420 vehicles a day, roughly 14% of them trucks, projected to reach 606 by 2044. The structure is 265 ft (80.8 m) long and 39 ft wide. If it were closed, the detour would be 39.1 mi (63 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR Ar SD044 over Corn Ck built?
It was built in 1980, making it 45 years old in 2025.
What condition is IRR Ar SD044 over Corn 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 January 2023.
How much traffic does IRR Ar SD044 over Corn Ck carry?
About 420 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is IRR Ar SD044 over Corn Ck?
The structure is 265 ft (80.8 m) long with a longest span of 101 ft (30.8 m) and a deck 39 ft wide.
Who owns IRR Ar SD044 over Corn Ck?
It is owned by the State Highway Agency.