US012 over Burlington Northern RR
FairEdmunds County, South Dakota · At Mina · Structure no. 000000023465105
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 249 ft
- 3 main spans
- Daily traffic
- 3,329
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US012 over Burlington Northern RR is a steel continuous stringer/multi-beam or girder carrying US012 over Burlington Northern RR in Edmunds County, South Dakota. It was built in 1970, so it is 55 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 3,329 vehicles a day, roughly 23% of them trucks, projected to reach 4,401 by 2044. The structure is 249 ft (76 m) long and 47 ft wide. If it were closed, the detour would be 44.1 mi (71 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US012 over Burlington Northern RR built?
It was built in 1970, making it 55 years old in 2025.
What condition is US012 over Burlington Northern RR 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 July 2024.
How much traffic does US012 over Burlington Northern RR carry?
About 3,329 vehicles per day (2024 count), of which roughly 23% are trucks.
How long is US012 over Burlington Northern RR?
The structure is 249 ft (76 m) long with a longest span of 97 ft (29.7 m) and a deck 47 ft wide.
Who owns US012 over Burlington Northern RR?
It is owned by the State Highway Agency.