State Park RD over BNSF RR
FairPosted for loadWalworth County, South Dakota · 2.0E & 1.0S Mobridge · Structure no. 000000065040050
- Built
- 1964
- 61 years old, rebuilt 2001
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 171 ft
- 4 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- State
- Other State Agency
About this bridge
State Park RD over BNSF RR is a concrete box beam or girders - multiple carrying State Park RD over BNSF RR in Walworth County, South Dakota. It was built in 1964 and reconstructed in 2001, 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. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 50 by 2032. The structure is 171 ft (52.1 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Park RD over BNSF RR built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2001.
What condition is State Park RD over BNSF 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 October 2024.
How much traffic does State Park RD over BNSF RR carry?
About 50 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is State Park RD over BNSF RR?
The structure is 171 ft (52.1 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.
Who owns State Park RD over BNSF RR?
It is owned by the Other State Agency.