425th Avenue over Burlington Northern RR
PoorPosted for loadDay County, South Dakota · 1.6E & 0.6S of Bristol · Structure no. 000000019130171
- Built
- 1960
- 65 years old, rebuilt 1984
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 102 ft
- 5 main spans
- Daily traffic
- 274
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
425th Avenue over Burlington Northern RR is a wood or timber stringer/multi-beam or girder carrying 425th Avenue over Burlington Northern RR in Day County, South Dakota. It was built in 1960 and reconstructed in 1984, so it is 65 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 274 vehicles a day, roughly 3% of them trucks, projected to reach 350 by 2032. The structure is 102 ft (31.1 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 425th Avenue over Burlington Northern RR built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1984.
What condition is 425th Avenue over Burlington Northern RR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does 425th Avenue over Burlington Northern RR carry?
About 274 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 425th Avenue over Burlington Northern RR?
The structure is 102 ft (31.1 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.
Who owns 425th Avenue over Burlington Northern RR?
It is owned by the County Highway Agency.