476 Avenue over North Fork Yellow Bank R
FairGrant County, South Dakota · 8E & 1.1S Milbank · Structure no. 000000026370081
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 43
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
476 Avenue over North Fork Yellow Bank R is a steel stringer/multi-beam or girder carrying 476 Avenue over North Fork Yellow Bank R in Grant County, South Dakota. It was built in 1964, so it is 61 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 43 vehicles a day, roughly 2% of them trucks, projected to reach 43 by 2032. The structure is 145 ft (44.2 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 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 476 Avenue over North Fork Yellow Bank R built?
It was built in 1964, making it 61 years old in 2025.
What condition is 476 Avenue over North Fork Yellow Bank R 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 September 2024.
How much traffic does 476 Avenue over North Fork Yellow Bank R carry?
About 43 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 476 Avenue over North Fork Yellow Bank R?
The structure is 145 ft (44.2 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.
Who owns 476 Avenue over North Fork Yellow Bank R?
It is owned by the County Highway Agency.