479 Avenue over North Fork Yellow Bank R
GoodGrant County, South Dakota · 3.8S & 1E Milbank · Structure no. 000000026300108
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 66 ft
- 1 main span
- Daily traffic
- 52
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
479 Avenue over North Fork Yellow Bank R is a prestressed concrete tee beam carrying 479 Avenue over North Fork Yellow Bank R in Grant County, South Dakota. It was built in 2010, so it is 15 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 52 vehicles a day, roughly 2% of them trucks, projected to reach 52 by 2032. The structure is 66 ft (20.2 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 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 479 Avenue over North Fork Yellow Bank R built?
It was built in 2010, making it 15 years old in 2025.
What condition is 479 Avenue over North Fork Yellow Bank R 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 September 2024.
How much traffic does 479 Avenue over North Fork Yellow Bank R carry?
About 52 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 479 Avenue over North Fork Yellow Bank R?
The structure is 66 ft (20.2 m) long with a longest span of 62 ft (18.9 m) and a deck 27 ft wide.
Who owns 479 Avenue over North Fork Yellow Bank R?
It is owned by the County Highway Agency.